AREAS AFFECTED...E-CNTRL MO...CNTRL IL...W-CNTRL INDIANA
CONCERNING...HEAVY SNOW
VALID 241652Z - 242145Z
SUMMARY...SNOW WITH RATES OF 1-2 IN/HR AND OCCASIONAL THUNDERSNOW
WILL CONTINUE SPREADING EWD/ENEWD THROUGH THE AFTERNOON.
DISCUSSION...E-CNTRL IL INTO W-CNTRL INDIANA:
THE BULK OF HIGH-RESOLUTION WRF GUIDANCE AND COARSER-RESOLUTION
MESOSCALE/GLOBAL GUIDANCE CONTINUE TO BE UNDERDOING THE STRENGTH OF
WARM-CONVEYOR-RELATED PRECIP LEADING A SRN-MO DEEP CYCLONE PER WATER
VAPOR IMAGERY. CONVECTIVE PROCESSES -- ILLUSTRATED BY RELATIVELY
REDUCED CONVECTIVE STABILITY PROFILES SAMPLED BY AMDAR DATA FOR
FLIGHT PATHS CROSSING THE WARM CONVEYOR BELT -- ARE GREATLY
ENHANCING PRECIP RATES WITHIN THE WARM CONVEYOR BELT. AS THIS PRECIP
BECOMES SUPERIMPOSED WITH DEEP SUB-FREEZING THERMAL PROFILES
DOWNSTREAM ACROSS E-CNTRL IL AND W-CNTRL INDIANA...HEAVY SNOW WILL
OVERSPREAD THESE AREAS IN THE 1730Z-2000Z TIME FRAME. SNOW RATES OF
1-2 IN/HR WILL BE LIKELY...AS HAS BEEN OBSERVED UPSTREAM ACROSS
PARTS OF THE MID MS VALLEY. ELEVATED BUOYANCY SHOULD BE SUFFICIENT
FOR A FEW INSTANCES OF THUNDERSNOW...ESPECIALLY INVOF OF THE
INTERSTATE 70 CORRIDOR WHERE THE CONVECTIVE ENHANCEMENT WILL BE MORE
ROBUST OWING TO RELATIVELY WARMER 800-700-MB TEMPERATURES/INFLOW
BASES PER AMDAR DATA/FORECAST SOUNDINGS. SNOW RATES OF 2 IN/HR WILL
BE MOST LIKELY WITH THUNDERSNOW.
E-CNTRL MO INTO CNTRL IL:
HEAVY SNOW IS ONGOING...IMPACTING AREAS AROUND ST. LOUIS...WITH
SEVERAL REPORTS OF THUNDERSNOW. BANDS OF HEAVY SNOW WILL LIKELY
CONTINUE THROUGH THE AFTERNOON AS AN ENE/WSW-ORIENTED DEFORMATION
ZONE N/NW OF THE DEEPER CYCLONE CONTINUES TO OFFER FRONTOGENETIC
ASCENT AMIDST A SUFFICIENT SUPPLY OF DEEPER MOISTURE EMANATING FROM
THE WARM CONVEYOR STRUCTURE.
..COHEN.. 03/24/2013
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...IND...LOT...ILX...LSX...
LAT...LON 40858749 40078703 39508750 38908926 38589026 38389108
38719163 39229156 40149036 41018846 40858749
Sunday, March 24, 2013
Saturday, March 23, 2013
Special Weather Statement 03:54:29.1392831
...LATE SEASON ACCUMULATING SNOWFALL ON SUNDAY AND SUNDAY NIGHT...
WET SNOW IS ANTICIPATED TO SPREAD OVER MUCH OF NORTHERN ILLINOIS
AND NORTHWEST INDIANA ON SUNDAY AND LIKELY LAST INTO SUNDAY NIGHT
AS A STRONG WEATHER SYSTEM MOVES UP THE OHIO RIVER VALLEY. THE
PRIMARY TIME FOR SNOWFALL ACCUMULATION LOOKS TO BE IN THE LATE
MORNING THROUGH THE AFTERNOON AND INTO THE EVENING.
THERE REMAINS UNCERTAINTY ON JUST HOW FAR NORTH THE HEAVIER
SNOWFALL RATES AND AMOUNTS WILL REACH. AT THIS TIME...SNOW
ACCUMULATIONS OF 3 OR MORE INCHES ARE ANTICIPATED SOUTH OF THE
INTERSTATE 80 CORRIDOR...WHILE 1 TO 3 INCHES ARE FAVORED NORTH
FROM THERE...INCLUDING IN CHICAGO AND ROCKFORD. BECAUSE THIS
SYSTEM IS EXPECTED TO HAVE A TIGHT GRADIENT IN SNOWFALL ON ITS
NORTH SIDE...IT IS IMPORTANT TO REMEMBER THAT EVEN A SUBTLE SHIFT
IN THE PATH COULD LEAD TO FAR MORE OR LESS SNOWFALL THAN CURRENTLY
FORECAST AT A GIVEN LOCATION.
IN ADDITION...NORTHERLY WINDS GUSTING TO AROUND 25 TO 30 MPH IN
MANY PARTS OF THE AREA ON SUNDAY COULD RESULT IN BLOWING AND
DRIFTING OF THE SNOW...NAMELY IN OPEN AREAS.
CONTINUE TO MONITOR THE LATEST FORECASTS AND OUTLOOKS...AND BE
PREPARED FOR SLOW AND POTENTIALLY HAZARDOUS TRAVEL CONDITIONS ON
SUNDAY AND SUNDAY NIGHT.
WET SNOW IS ANTICIPATED TO SPREAD OVER MUCH OF NORTHERN ILLINOIS
AND NORTHWEST INDIANA ON SUNDAY AND LIKELY LAST INTO SUNDAY NIGHT
AS A STRONG WEATHER SYSTEM MOVES UP THE OHIO RIVER VALLEY. THE
PRIMARY TIME FOR SNOWFALL ACCUMULATION LOOKS TO BE IN THE LATE
MORNING THROUGH THE AFTERNOON AND INTO THE EVENING.
THERE REMAINS UNCERTAINTY ON JUST HOW FAR NORTH THE HEAVIER
SNOWFALL RATES AND AMOUNTS WILL REACH. AT THIS TIME...SNOW
ACCUMULATIONS OF 3 OR MORE INCHES ARE ANTICIPATED SOUTH OF THE
INTERSTATE 80 CORRIDOR...WHILE 1 TO 3 INCHES ARE FAVORED NORTH
FROM THERE...INCLUDING IN CHICAGO AND ROCKFORD. BECAUSE THIS
SYSTEM IS EXPECTED TO HAVE A TIGHT GRADIENT IN SNOWFALL ON ITS
NORTH SIDE...IT IS IMPORTANT TO REMEMBER THAT EVEN A SUBTLE SHIFT
IN THE PATH COULD LEAD TO FAR MORE OR LESS SNOWFALL THAN CURRENTLY
FORECAST AT A GIVEN LOCATION.
IN ADDITION...NORTHERLY WINDS GUSTING TO AROUND 25 TO 30 MPH IN
MANY PARTS OF THE AREA ON SUNDAY COULD RESULT IN BLOWING AND
DRIFTING OF THE SNOW...NAMELY IN OPEN AREAS.
CONTINUE TO MONITOR THE LATEST FORECASTS AND OUTLOOKS...AND BE
PREPARED FOR SLOW AND POTENTIALLY HAZARDOUS TRAVEL CONDITIONS ON
SUNDAY AND SUNDAY NIGHT.
Thursday, March 21, 2013
Radar Outage Notification 16:59:36.6056424
NOUS63 KLOT 212158
FTMLOT
Message Date: Mar 21 2013 21:58:20KLOT radar is back online. DETECTED
FTMLOT
Message Date: Mar 21 2013 21:58:20KLOT radar is back online. DETECTED
Radar Outage Notification 08:27:42.3015738
NOUS63 KLOT 211326
FTMLOT
MESSAGE DATE: MAR 21 2013 13:25:10
THE KLOT WSR-88D WILL BE DOWN FOR MAINTENANCE FOR APPROXIMATELY 6
HOURS...EXPECTED RETURN TO SERVICE IS 1930Z THIS AFTERNOON.
FTMLOT
MESSAGE DATE: MAR 21 2013 13:25:10
THE KLOT WSR-88D WILL BE DOWN FOR MAINTENANCE FOR APPROXIMATELY 6
HOURS...EXPECTED RETURN TO SERVICE IS 1930Z THIS AFTERNOON.
Wednesday, March 20, 2013
Test Message 11:00:21.3922478
THIS IS THE WEEKLY TEST OF THE WXWARN1 ALERT SYSTEM THIS IS ONLY A TEST
Tuesday, March 19, 2013
Flood Statement 09:49:18.3500442
THE FLOOD ADVISORY IS CANCELLED FOR
THE FOX RIVER AT ALGONQUIN TAILWATER.
* AT 930 AM TUESDAY THE STAGE WAS 8.8 FEET.
* ACTION STAGE IS 9.0 FEET.
* FLOOD STAGE IS 9.5 FEET.
* RECENT ACTIVITY...FLOOD FORECASTS FOR ALGONQUIN WERE MOVED TO THIS
LOCATION ON JULY 5 2011. GAGE ZERO DATUM IS DIFFERENT FROM THE OLD
GAGE LOCATION. FLOOD AND ACTION STAGES HAVE CHANGED.
* FORECAST...THE RIVER CRESTED BELOW FLOOD STAGE. THE RIVER WILL
REMAIN NEARLY STEADY THROUGH WEDNESDAY MORNING.
THE FOX RIVER AT ALGONQUIN TAILWATER.
* AT 930 AM TUESDAY THE STAGE WAS 8.8 FEET.
* ACTION STAGE IS 9.0 FEET.
* FLOOD STAGE IS 9.5 FEET.
* RECENT ACTIVITY...FLOOD FORECASTS FOR ALGONQUIN WERE MOVED TO THIS
LOCATION ON JULY 5 2011. GAGE ZERO DATUM IS DIFFERENT FROM THE OLD
GAGE LOCATION. FLOOD AND ACTION STAGES HAVE CHANGED.
* FORECAST...THE RIVER CRESTED BELOW FLOOD STAGE. THE RIVER WILL
REMAIN NEARLY STEADY THROUGH WEDNESDAY MORNING.
Monday, March 18, 2013
Flood Statement 20:24:15.7272045
THE FLOOD ADVISORY CONTINUES FOR
THE FOX RIVER AT ALGONQUIN TAILWATER
* UNTIL LATE TUESDAY NIGHT.
* AT 730 PM MONDAY THE STAGE WAS 9.0 FEET.
* ACTION STAGE IS 9.0 FEET.
* FLOOD STAGE IS 9.5 FEET.
* RECENT ACTIVITY...FLOOD FORECASTS FOR ALGONQUIN WERE MOVED TO THIS
LOCATION ON JULY 5 2011. GAGE ZERO DATUM IS DIFFERENT FROM THE OLD
GAGE LOCATION. FLOOD AND ACTION STAGES HAVE CHANGED.
* FORECAST...THE RIVER WILL REMAIN STEADY NEAR 9.0 FEET INTO TUESDAY.
THE FOX RIVER AT ALGONQUIN TAILWATER
* UNTIL LATE TUESDAY NIGHT.
* AT 730 PM MONDAY THE STAGE WAS 9.0 FEET.
* ACTION STAGE IS 9.0 FEET.
* FLOOD STAGE IS 9.5 FEET.
* RECENT ACTIVITY...FLOOD FORECASTS FOR ALGONQUIN WERE MOVED TO THIS
LOCATION ON JULY 5 2011. GAGE ZERO DATUM IS DIFFERENT FROM THE OLD
GAGE LOCATION. FLOOD AND ACTION STAGES HAVE CHANGED.
* FORECAST...THE RIVER WILL REMAIN STEADY NEAR 9.0 FEET INTO TUESDAY.
Special Weather Statement 14:42:37.5242743
...SNOW THROUGH MID AFTERNOON...
AN AREA OF SNOW SHOWERS WILL CONTINUE TO MOVE EAST ACROSS A LARGE
PART OF THE CHICAGO METROPOLITAN AREA THROUGH 4 PM. SOME OF THE
SNOWFALL RATES MAY BRIEFLY BE MODERATE IN INTENSITY...ALLOWING FOR
TEMPORARY SHARPLY REDUCED VISIBILITY AND A QUICK COATING OF SNOW
ON UNTREATED SURFACES. LEAVE EXTRA TIME TO REACH YOUR DESTINATION
IF TRAVELING THIS AFTERNOON.
AN AREA OF SNOW SHOWERS WILL CONTINUE TO MOVE EAST ACROSS A LARGE
PART OF THE CHICAGO METROPOLITAN AREA THROUGH 4 PM. SOME OF THE
SNOWFALL RATES MAY BRIEFLY BE MODERATE IN INTENSITY...ALLOWING FOR
TEMPORARY SHARPLY REDUCED VISIBILITY AND A QUICK COATING OF SNOW
ON UNTREATED SURFACES. LEAVE EXTRA TIME TO REACH YOUR DESTINATION
IF TRAVELING THIS AFTERNOON.
Special Weather Statement 11:09:00.3973860
...SNOW THIS EARLY TO MID AFTERNOON...
A PERIOD OF SNOW IS EXPECTED TO MOVE EAST ACROSS FAR NORTHERN
ILLINOIS INCLUDING ROCKFORD...AND THE NORTHERN AND WESTERN METRO
AREA OF CHICAGO...DURING THE NOON THROUGH 4 PM PERIOD. SOME OF
THE SNOWFALL RATES MAY BE MODERATE IN INTENSITY...ALLOWING FOR
QUICK ACCUMULATIONS OF AN INCH OR TWO...MAINLY TOWARD THE
WISCONSIN STATE LINE. IF PLANNING TRAVEL ACROSS THIS
AREA...INCLUDING ALONG INTERSTATES 39...88...AND 90...PREPARE FOR
THE POSSIBILITY OF SHARPLY REDUCED VISIBILITY IN ANY SNOW THAT IS
ENCOUNTERED.
A PERIOD OF SNOW IS EXPECTED TO MOVE EAST ACROSS FAR NORTHERN
ILLINOIS INCLUDING ROCKFORD...AND THE NORTHERN AND WESTERN METRO
AREA OF CHICAGO...DURING THE NOON THROUGH 4 PM PERIOD. SOME OF
THE SNOWFALL RATES MAY BE MODERATE IN INTENSITY...ALLOWING FOR
QUICK ACCUMULATIONS OF AN INCH OR TWO...MAINLY TOWARD THE
WISCONSIN STATE LINE. IF PLANNING TRAVEL ACROSS THIS
AREA...INCLUDING ALONG INTERSTATES 39...88...AND 90...PREPARE FOR
THE POSSIBILITY OF SHARPLY REDUCED VISIBILITY IN ANY SNOW THAT IS
ENCOUNTERED.
Winter Weather Watch, Warning, Advisory 09:40:49.3450051
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM CDT THIS
MORNING...
* TIMING...LIGHT SNOW...SLEET...AND FREEZING RAIN THROUGH LATE
MORNING.
* ACCUMULATION...LIGHT SNOW AND SLEET ACCUMULATION THROUGH 11 AM OF
UNDER AN INCH.
* MAIN IMPACTS...THE COMBINATION OF A VARIETY OF PRECIPITATION
TYPES...ALBEIT LIGHT...WITH SUBFREEZING TEMPERATURES WILL
LIKELY CREATE SLICK ROADWAYS IN PLACES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.
&&
MORNING...
* TIMING...LIGHT SNOW...SLEET...AND FREEZING RAIN THROUGH LATE
MORNING.
* ACCUMULATION...LIGHT SNOW AND SLEET ACCUMULATION THROUGH 11 AM OF
UNDER AN INCH.
* MAIN IMPACTS...THE COMBINATION OF A VARIETY OF PRECIPITATION
TYPES...ALBEIT LIGHT...WITH SUBFREEZING TEMPERATURES WILL
LIKELY CREATE SLICK ROADWAYS IN PLACES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.
&&
Winter Weather Watch, Warning, Advisory 05:18:00.1888919
...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 AM CDT THIS
MORNING...
THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A WINTER
WEATHER ADVISORY FOR SLEET...SNOW...AND FREEZING RAIN...WHICH IS
IN EFFECT UNTIL 11 AM CDT THIS MORNING.
* TIMING...PERIODS OF SLEET...SNOW...AND FREEZING RAIN WILL BE
POSSIBLE THROUGH MID MORNING.
* ACCUMULATION...SNOW AND SLEET UP TO AN INCH WITH ONLY MINOR ICE
ACCUMULATION EXPECTED.
* MAIN IMPACTS...MODERATE...TO AT TIMES...HEAVY SLEET COULD FALL
THROUGH MID MORNING CREATING SLIPPERY CONDITIONS AND
SIGNIFICANTLY IMPACTING THE MORNING COMMUTE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.
&&
MORNING...
THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A WINTER
WEATHER ADVISORY FOR SLEET...SNOW...AND FREEZING RAIN...WHICH IS
IN EFFECT UNTIL 11 AM CDT THIS MORNING.
* TIMING...PERIODS OF SLEET...SNOW...AND FREEZING RAIN WILL BE
POSSIBLE THROUGH MID MORNING.
* ACCUMULATION...SNOW AND SLEET UP TO AN INCH WITH ONLY MINOR ICE
ACCUMULATION EXPECTED.
* MAIN IMPACTS...MODERATE...TO AT TIMES...HEAVY SLEET COULD FALL
THROUGH MID MORNING CREATING SLIPPERY CONDITIONS AND
SIGNIFICANTLY IMPACTING THE MORNING COMMUTE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.
&&
Sunday, March 17, 2013
Flood Statement 20:25:05.7276994
THE FLOOD ADVISORY CONTINUES FOR
THE FOX RIVER AT ALGONQUIN TAILWATER
* UNTIL LATE TUESDAY NIGHT.
* AT 730 PM SUNDAY THE STAGE WAS 9.1 FEET.
* ACTION STAGE IS 9.0 FEET.
* FLOOD STAGE IS 9.5 FEET.
* RECENT ACTIVITY...FLOOD FORECASTS FOR ALGONQUIN WERE MOVED TO THIS
LOCATION ON JULY 5 2011. GAGE ZERO DATUM IS DIFFERENT FROM THE OLD
GAGE LOCATION. FLOOD AND ACTION STAGES HAVE CHANGED.
* FORECAST...THE RIVER WILL RISE TO NEAR 9.1 FEET BY EARLY MONDAY.
THE FOX RIVER AT ALGONQUIN TAILWATER
* UNTIL LATE TUESDAY NIGHT.
* AT 730 PM SUNDAY THE STAGE WAS 9.1 FEET.
* ACTION STAGE IS 9.0 FEET.
* FLOOD STAGE IS 9.5 FEET.
* RECENT ACTIVITY...FLOOD FORECASTS FOR ALGONQUIN WERE MOVED TO THIS
LOCATION ON JULY 5 2011. GAGE ZERO DATUM IS DIFFERENT FROM THE OLD
GAGE LOCATION. FLOOD AND ACTION STAGES HAVE CHANGED.
* FORECAST...THE RIVER WILL RISE TO NEAR 9.1 FEET BY EARLY MONDAY.
Flood Statement 09:07:12.3250368
THE FLOOD ADVISORY CONTINUES FOR
THE FOX RIVER AT ALGONQUIN TAILWATER
* UNTIL LATE TUESDAY NIGHT.
* AT 830 AM SUNDAY THE STAGE WAS 9.1 FEET.
* ACTION STAGE IS 9.0 FEET.
* FLOOD STAGE IS 9.5 FEET.
* RECENT ACTIVITY...FLOOD FORECASTS FOR ALGONQUIN WERE MOVED TO THIS
LOCATION ON JULY 5 2011. GAGE ZERO DATUM IS DIFFERENT FROM THE OLD
GAGE LOCATION. FLOOD AND ACTION STAGES HAVE CHANGED.
* FORECAST...THE RIVER WILL CONTINUE TO FALL.
THE FOX RIVER AT ALGONQUIN TAILWATER
* UNTIL LATE TUESDAY NIGHT.
* AT 830 AM SUNDAY THE STAGE WAS 9.1 FEET.
* ACTION STAGE IS 9.0 FEET.
* FLOOD STAGE IS 9.5 FEET.
* RECENT ACTIVITY...FLOOD FORECASTS FOR ALGONQUIN WERE MOVED TO THIS
LOCATION ON JULY 5 2011. GAGE ZERO DATUM IS DIFFERENT FROM THE OLD
GAGE LOCATION. FLOOD AND ACTION STAGES HAVE CHANGED.
* FORECAST...THE RIVER WILL CONTINUE TO FALL.
Saturday, March 16, 2013
Flood Statement 20:10:55.7192844
THE FLOOD ADVISORY CONTINUES FOR
THE FOX RIVER AT ALGONQUIN TAILWATER
* UNTIL LATE TUESDAY NIGHT.
* AT 730 PM SATURDAY THE STAGE WAS 9.1 FEET.
* ACTION STAGE IS 9.0 FEET.
* FLOOD STAGE IS 9.5 FEET.
* RECENT ACTIVITY...FLOOD FORECASTS FOR ALGONQUIN WERE MOVED TO THIS
LOCATION ON JULY 5 2011. GAGE ZERO DATUM IS DIFFERENT FROM THE OLD
GAGE LOCATION. FLOOD AND ACTION STAGES HAVE CHANGED.
* FORECAST...THE RIVER WILL RISE TO NEAR 9.2 FEET BY EARLY SUNDAY.
THE FOX RIVER AT ALGONQUIN TAILWATER
* UNTIL LATE TUESDAY NIGHT.
* AT 730 PM SATURDAY THE STAGE WAS 9.1 FEET.
* ACTION STAGE IS 9.0 FEET.
* FLOOD STAGE IS 9.5 FEET.
* RECENT ACTIVITY...FLOOD FORECASTS FOR ALGONQUIN WERE MOVED TO THIS
LOCATION ON JULY 5 2011. GAGE ZERO DATUM IS DIFFERENT FROM THE OLD
GAGE LOCATION. FLOOD AND ACTION STAGES HAVE CHANGED.
* FORECAST...THE RIVER WILL RISE TO NEAR 9.2 FEET BY EARLY SUNDAY.
Flood Statement 08:20:28.2972772
THE FLOOD ADVISORY CONTINUES FOR
THE FOX RIVER AT ALGONQUIN TAILWATER
* UNTIL LATE TUESDAY NIGHT.
* AT 730 AM SATURDAY THE STAGE WAS 9.1 FEET.
* ACTION STAGE IS 9.0 FEET.
* FLOOD STAGE IS 9.5 FEET.
* RECENT ACTIVITY...FLOOD FORECASTS FOR ALGONQUIN WERE MOVED TO THIS
LOCATION ON JULY 5 2011. GAGE ZERO DATUM IS DIFFERENT FROM THE OLD
GAGE LOCATION. FLOOD AND ACTION STAGES HAVE CHANGED.
* FORECAST...THE RIVER WILL REMAIN NEARLY STEADY THROUGH THIS AFTERNOON.
THE FOX RIVER AT ALGONQUIN TAILWATER
* UNTIL LATE TUESDAY NIGHT.
* AT 730 AM SATURDAY THE STAGE WAS 9.1 FEET.
* ACTION STAGE IS 9.0 FEET.
* FLOOD STAGE IS 9.5 FEET.
* RECENT ACTIVITY...FLOOD FORECASTS FOR ALGONQUIN WERE MOVED TO THIS
LOCATION ON JULY 5 2011. GAGE ZERO DATUM IS DIFFERENT FROM THE OLD
GAGE LOCATION. FLOOD AND ACTION STAGES HAVE CHANGED.
* FORECAST...THE RIVER WILL REMAIN NEARLY STEADY THROUGH THIS AFTERNOON.
Friday, March 15, 2013
Special Weather Statement 21:14:34.7570926
WIDESPREAD LIGHT FOG WAS ACROSS NORTH CENTRAL AND NORTHEAST
ILLINOIS THIS EVENING. WHILE VISIBILITY WILL MAINLY BE IN THE ONE
AND ONE HALF TO THREE MILE RANGE...THERE WILL LIKELY BE SOME
LOCALIZED SPOTS OF DENSE FOG WITH VISIBILITY OF ONE HALF MILE OR
LESS.
VISIBILITY OVERALL IS EXPECTED TO IMPROVE OVERNIGHT WITH THE
POTENTIAL FOR LOCALIZED DENSE FOG DECREASING.
BE PREPARED IN CASE YOU HAPPEN TO DRIVE INTO ONE OF THESE DENSE
FOG BANKS. DO NOT FOLLOW THE VEHICLE AHEAD OF YOU TOO CLOSELY AS
YOUR VISIBILITY CAN DROP DRAMATICALLY IN ALMOST AN INSTANT AS YOU
ENCOUNTER THE DENSE FOG PATCH.
ILLINOIS THIS EVENING. WHILE VISIBILITY WILL MAINLY BE IN THE ONE
AND ONE HALF TO THREE MILE RANGE...THERE WILL LIKELY BE SOME
LOCALIZED SPOTS OF DENSE FOG WITH VISIBILITY OF ONE HALF MILE OR
LESS.
VISIBILITY OVERALL IS EXPECTED TO IMPROVE OVERNIGHT WITH THE
POTENTIAL FOR LOCALIZED DENSE FOG DECREASING.
BE PREPARED IN CASE YOU HAPPEN TO DRIVE INTO ONE OF THESE DENSE
FOG BANKS. DO NOT FOLLOW THE VEHICLE AHEAD OF YOU TOO CLOSELY AS
YOUR VISIBILITY CAN DROP DRAMATICALLY IN ALMOST AN INSTANT AS YOU
ENCOUNTER THE DENSE FOG PATCH.
Flood Statement 19:58:21.7118199
THE FLOOD ADVISORY CONTINUES FOR
THE FOX RIVER AT ALGONQUIN TAILWATER
* UNTIL LATE TUESDAY NIGHT.
* AT 730 PM FRIDAY THE STAGE WAS 9.1 FEET.
* ACTION STAGE IS 9.0 FEET.
* FLOOD STAGE IS 9.5 FEET.
* RECENT ACTIVITY...FLOOD FORECASTS FOR ALGONQUIN WERE MOVED TO THIS
LOCATION ON JULY 5 2011. GAGE ZERO DATUM IS DIFFERENT FROM THE OLD
GAGE LOCATION. FLOOD AND ACTION STAGES HAVE CHANGED.
* FORECAST...THE RIVER WILL RISE TO NEAR 9.2 FEET BY EARLY SATURDAY.
THE FOX RIVER AT ALGONQUIN TAILWATER
* UNTIL LATE TUESDAY NIGHT.
* AT 730 PM FRIDAY THE STAGE WAS 9.1 FEET.
* ACTION STAGE IS 9.0 FEET.
* FLOOD STAGE IS 9.5 FEET.
* RECENT ACTIVITY...FLOOD FORECASTS FOR ALGONQUIN WERE MOVED TO THIS
LOCATION ON JULY 5 2011. GAGE ZERO DATUM IS DIFFERENT FROM THE OLD
GAGE LOCATION. FLOOD AND ACTION STAGES HAVE CHANGED.
* FORECAST...THE RIVER WILL RISE TO NEAR 9.2 FEET BY EARLY SATURDAY.
Flood Statement 09:11:24.3275315
THE FLOOD ADVISORY CONTINUES FOR
THE FOX RIVER AT ALGONQUIN TAILWATER
* UNTIL LATE TUESDAY NIGHT.
* AT 830 AM FRIDAY THE STAGE WAS 9.1 FEET.
* ACTION STAGE IS 9.0 FEET.
* FLOOD STAGE IS 9.5 FEET.
* RECENT ACTIVITY...FLOOD FORECASTS FOR ALGONQUIN WERE MOVED TO THIS
LOCATION ON JULY 5 2011. GAGE ZERO DATUM IS DIFFERENT FROM THE OLD
GAGE LOCATION. FLOOD AND ACTION STAGES HAVE CHANGED.
* FORECAST...THE RIVER WILL RISE TO NEAR 9.2 FEET BY SATURDAY
EVENING.
THE FOX RIVER AT ALGONQUIN TAILWATER
* UNTIL LATE TUESDAY NIGHT.
* AT 830 AM FRIDAY THE STAGE WAS 9.1 FEET.
* ACTION STAGE IS 9.0 FEET.
* FLOOD STAGE IS 9.5 FEET.
* RECENT ACTIVITY...FLOOD FORECASTS FOR ALGONQUIN WERE MOVED TO THIS
LOCATION ON JULY 5 2011. GAGE ZERO DATUM IS DIFFERENT FROM THE OLD
GAGE LOCATION. FLOOD AND ACTION STAGES HAVE CHANGED.
* FORECAST...THE RIVER WILL RISE TO NEAR 9.2 FEET BY SATURDAY
EVENING.
Thursday, March 14, 2013
Flood Statement 20:59:58.7484202
THE FLOOD ADVISORY CONTINUES FOR
THE FOX RIVER AT ALGONQUIN TAILWATER
* UNTIL TUESDAY EVENING.
* AT 830 PM THURSDAY THE STAGE WAS 9.1 FEET.
* ACTION STAGE IS 9.0 FEET.
* FLOOD STAGE IS 9.5 FEET.
* RECENT ACTIVITY...FLOOD FORECASTS FOR ALGONQUIN WERE MOVED TO THIS
LOCATION ON JULY 5 2011. GAGE ZERO DATUM IS DIFFERENT FROM THE OLD
GAGE LOCATION. FLOOD AND ACTION STAGES HAVE CHANGED.
* FORECAST...THE RIVER WILL RISE TO NEAR 9.1 FEET BY EARLY FRIDAY.
THE FOX RIVER AT ALGONQUIN TAILWATER
* UNTIL TUESDAY EVENING.
* AT 830 PM THURSDAY THE STAGE WAS 9.1 FEET.
* ACTION STAGE IS 9.0 FEET.
* FLOOD STAGE IS 9.5 FEET.
* RECENT ACTIVITY...FLOOD FORECASTS FOR ALGONQUIN WERE MOVED TO THIS
LOCATION ON JULY 5 2011. GAGE ZERO DATUM IS DIFFERENT FROM THE OLD
GAGE LOCATION. FLOOD AND ACTION STAGES HAVE CHANGED.
* FORECAST...THE RIVER WILL RISE TO NEAR 9.1 FEET BY EARLY FRIDAY.
Flood Statement 10:30:03.3742497
THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A
* FLOOD ADVISORY FOR
THE FOX RIVER AT ALGONQUIN TAILWATER.
* UNTIL TUESDAY EVENING.
* AT 930 AM THURSDAY THE STAGE WAS 8.9 FEET.
* ACTION STAGE IS 9.0 FEET.
* FLOOD STAGE IS 9.5 FEET.
* RECENT ACTIVITY...FLOOD FORECASTS FOR ALGONQUIN WERE MOVED TO THIS
LOCATION ON JULY 5 2011. GAGE ZERO DATUM IS DIFFERENT FROM THE OLD
GAGE LOCATION. FLOOD AND ACTION STAGES HAVE CHANGED.
* FORECAST...THE RIVER WILL RISE TO NEAR 9.2 FEET BY SATURDAY
AFTERNOON.
* FLOOD ADVISORY FOR
THE FOX RIVER AT ALGONQUIN TAILWATER.
* UNTIL TUESDAY EVENING.
* AT 930 AM THURSDAY THE STAGE WAS 8.9 FEET.
* ACTION STAGE IS 9.0 FEET.
* FLOOD STAGE IS 9.5 FEET.
* RECENT ACTIVITY...FLOOD FORECASTS FOR ALGONQUIN WERE MOVED TO THIS
LOCATION ON JULY 5 2011. GAGE ZERO DATUM IS DIFFERENT FROM THE OLD
GAGE LOCATION. FLOOD AND ACTION STAGES HAVE CHANGED.
* FORECAST...THE RIVER WILL RISE TO NEAR 9.2 FEET BY SATURDAY
AFTERNOON.
Wednesday, March 13, 2013
Radar Outage Notification 14:29:04.5162256
NOUS63 KLOT 131927
FTMLOT
Message Date: Mar 13 2013 19:27:10THE KLOT WSR-88D IS BACK IN SERVICE
FTMLOT
Message Date: Mar 13 2013 19:27:10THE KLOT WSR-88D IS BACK IN SERVICE
Radar Outage Notification 12:49:14.4569246
NOUS63 KLOT 131747
FTMLOT
Message Date: Mar 13 2013 17:47:30KLOT RADAR WILL BE DOWN FOR 2 HOURS AT THE MOST FOR PMI'S.
FTMLOT
Message Date: Mar 13 2013 17:47:30KLOT RADAR WILL BE DOWN FOR 2 HOURS AT THE MOST FOR PMI'S.
Test Message 11:00:54.3925746
THIS IS THE WEEKLY TEST OF THE WXWARN1 ALERT SYSTEM THIS IS ONLY A TEST
Monday, March 11, 2013
Non-Precipitation Watch, Warning, Advisory 07:08:32.2545487
...DENSE FOG ADVISORY HAS EXPIRED...
CONDITIONS CONTINUE TO GRADUALLY IMPROVE THIS MORNING AND DENSE
FOG WITH VISIBILITY OF A QUARTER MILE OR LESS HAS BECOME PATCHY
AND LESS WIDESPREAD...HOWEVER FOG CAUSING VISIBILITY REDUCTIONS TO
AROUND HALF A MILE WILL CONTINUE THROUGH THE MORNING.
CONDITIONS CONTINUE TO GRADUALLY IMPROVE THIS MORNING AND DENSE
FOG WITH VISIBILITY OF A QUARTER MILE OR LESS HAS BECOME PATCHY
AND LESS WIDESPREAD...HOWEVER FOG CAUSING VISIBILITY REDUCTIONS TO
AROUND HALF A MILE WILL CONTINUE THROUGH THE MORNING.
Flood Statement 07:08:30.2545290
THE NATIONAL WEATHER SERVICE IN CHICAGO HAS EXTENDED THE
* URBAN AND SMALL STREAM FLOOD ADVISORY FOR RAIN AND MELTING SNOW
IN...
ALL OF NORTH CENTRAL AND NORTHEAST ILLINOIS
* UNTIL 200 PM CDT MONDAY
* AT 700 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
AN AREA OF LIGHT RAIN MOVING NORTHEAST ACROSS THE ADVISORY AREA.
ALTHOUGH THIS RAIN IS EXPECTED TO ONLY PRODUCE LIGHT AMOUNTS
TODAY WITH HIGHER RAINFALL RATES UNLIKELY...THE COMBINATION OF
SNOW MELT AND THE RAINFALL FROM SUNDAY WILL HELP KEEP STREAMS AND
RIVERS ELEVATED AS WELL AS MORE RURAL LOCATIONS LIKELY OBSERVING
WATER COVERED ROADS NEAR DITCHES OR ADJACENT WATER COVERED FIELDS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE ELEVATED LEVELS ON SMALL
CREEKS AND STREAMS...PONDING OF WATER ON ROADS...URBAN AREAS...
HIGHWAYS... VIADUCTS...UNDERPASSES AND LOW LYING AREAS.
DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.
REMEMBER... TURN AROUND...DON'T DROWN.
&&
LAT...LON 4061 8846 4062 8858 4075 8859 4075 8894
4092 8894 4093 8905 4110 8905 4111 8917
4158 8917 4159 8964 4220 8970 4221 8940
4250 8940 4249 8779 4227 8782 4173 8752
4049 8753 4048 8793 4040 8793 4040 8846
* URBAN AND SMALL STREAM FLOOD ADVISORY FOR RAIN AND MELTING SNOW
IN...
ALL OF NORTH CENTRAL AND NORTHEAST ILLINOIS
* UNTIL 200 PM CDT MONDAY
* AT 700 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
AN AREA OF LIGHT RAIN MOVING NORTHEAST ACROSS THE ADVISORY AREA.
ALTHOUGH THIS RAIN IS EXPECTED TO ONLY PRODUCE LIGHT AMOUNTS
TODAY WITH HIGHER RAINFALL RATES UNLIKELY...THE COMBINATION OF
SNOW MELT AND THE RAINFALL FROM SUNDAY WILL HELP KEEP STREAMS AND
RIVERS ELEVATED AS WELL AS MORE RURAL LOCATIONS LIKELY OBSERVING
WATER COVERED ROADS NEAR DITCHES OR ADJACENT WATER COVERED FIELDS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE ELEVATED LEVELS ON SMALL
CREEKS AND STREAMS...PONDING OF WATER ON ROADS...URBAN AREAS...
HIGHWAYS... VIADUCTS...UNDERPASSES AND LOW LYING AREAS.
DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.
REMEMBER... TURN AROUND...DON'T DROWN.
&&
LAT...LON 4061 8846 4062 8858 4075 8859 4075 8894
4092 8894 4093 8905 4110 8905 4111 8917
4158 8917 4159 8964 4220 8970 4221 8940
4250 8940 4249 8779 4227 8782 4173 8752
4049 8753 4048 8793 4040 8793 4040 8846
Non-Precipitation Watch, Warning, Advisory 03:09:12.1123847
...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 7 AM CDT THIS MORNING...
* VISIBILITY...WIDESPREAD VISIBILITY OF ONE QUARTER MILE OR
LESS...WITH SOME ISOLATED AREAS NEAR ZERO.
* IMPACTS...DENSE FOG WILL MAKE TRAVELING BY CAR OR AIR
CHALLENGING TONIGHT. THOSE WHO MUST TRAVEL SHOULD PLAN
ACCORDINGLY. BE PREPARED FOR RAPIDLY CHANGING VISIBILITIES
WHEN TRAVELING FROM AREAS OF RELATIVELY LIGHTER FOG INTO AREAS
OF VERY DENSE FOG AND AN ALMOST INSTANTANEOUS CHANGE TO
RESTRICTED VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU.
&&
* VISIBILITY...WIDESPREAD VISIBILITY OF ONE QUARTER MILE OR
LESS...WITH SOME ISOLATED AREAS NEAR ZERO.
* IMPACTS...DENSE FOG WILL MAKE TRAVELING BY CAR OR AIR
CHALLENGING TONIGHT. THOSE WHO MUST TRAVEL SHOULD PLAN
ACCORDINGLY. BE PREPARED FOR RAPIDLY CHANGING VISIBILITIES
WHEN TRAVELING FROM AREAS OF RELATIVELY LIGHTER FOG INTO AREAS
OF VERY DENSE FOG AND AN ALMOST INSTANTANEOUS CHANGE TO
RESTRICTED VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU.
&&
Sunday, March 10, 2013
Flood Statement 23:07:24.8241155
THE NATIONAL WEATHER SERVICE IN CHICAGO HAS EXTENDED THE
* URBAN AND SMALL STREAM FLOOD ADVISORY FOR RAIN AND MELTING SNOW
FOR...
ALL OF NORTH CENTRAL AND NORTHEAST ILLINOIS
* UNTIL 800 AM CDT MONDAY
* AT 1000 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
AN AREA OF LIGHT RAIN MOVING NORTHEAST ACROSS THE ADVISORY AREA.
ALTHOUGH THIS RAIN IS EXPECTED TO ONLY PRODUCE LIGHT AMOUNTS
TONIGHT WITH HIGHER RAINFALL RATES UNLIKELY...THE COMBINATION OF
SNOW MELT AND THE RAINFALL FROM SUNDAY WILL HELP KEEP STREAMS AND
RIVERS ELEVATED AS WELL AS MORE RURAL LOCATIONS LIKELY OBSERVING
WATER COVERED ROADS NEAR DITCHES OR ADJACENT WATER COVERED FIELDS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE ELEVATED LEVELS ON SMALL
CREEKS AND STREAMS...PONDING OF WATER ON ROADS...URBAN AREAS...
HIGHWAYS... VIADUCTS...UNDERPASSES AND LOW LYING AREAS.
&&
LAT...LON 4061 8846 4062 8858 4075 8859 4075 8894
4092 8894 4093 8905 4110 8905 4111 8917
4158 8917 4159 8964 4220 8970 4221 8940
4250 8940 4249 8779 4227 8782 4173 8752
4049 8753 4048 8793 4040 8793 4040 8846
* URBAN AND SMALL STREAM FLOOD ADVISORY FOR RAIN AND MELTING SNOW
FOR...
ALL OF NORTH CENTRAL AND NORTHEAST ILLINOIS
* UNTIL 800 AM CDT MONDAY
* AT 1000 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
AN AREA OF LIGHT RAIN MOVING NORTHEAST ACROSS THE ADVISORY AREA.
ALTHOUGH THIS RAIN IS EXPECTED TO ONLY PRODUCE LIGHT AMOUNTS
TONIGHT WITH HIGHER RAINFALL RATES UNLIKELY...THE COMBINATION OF
SNOW MELT AND THE RAINFALL FROM SUNDAY WILL HELP KEEP STREAMS AND
RIVERS ELEVATED AS WELL AS MORE RURAL LOCATIONS LIKELY OBSERVING
WATER COVERED ROADS NEAR DITCHES OR ADJACENT WATER COVERED FIELDS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE ELEVATED LEVELS ON SMALL
CREEKS AND STREAMS...PONDING OF WATER ON ROADS...URBAN AREAS...
HIGHWAYS... VIADUCTS...UNDERPASSES AND LOW LYING AREAS.
&&
LAT...LON 4061 8846 4062 8858 4075 8859 4075 8894
4092 8894 4093 8905 4110 8905 4111 8917
4158 8917 4159 8964 4220 8970 4221 8940
4250 8940 4249 8779 4227 8782 4173 8752
4049 8753 4048 8793 4040 8793 4040 8846
Flood Potential Outlook 22:43:31.8099289
THIS HYDROLOGIC OUTLOOK INCLUDES THE FOLLOWING RIVERS: PECATONICA
RIVER.
FOR THE PECATONICA RIVER...INCLUDING SHIRLAND...MINOR FLOODING IS
POSSIBLE.
FOR THE PECATONICA RIVER NEAR SHIRLAND, THE LATEST STAGE IS 6.3 FEET
AT 10 PM SUNDAY. FLOOD STAGE IS 12.0 FEET. BANKFULL STAGE IS 11.0
FEET. MINOR FLOODING IS POSSIBLE...WITH A CREST OF AROUND 12.5 FEET
WEDNESDAY EVENING...WHICH IS 0.5 FEET ABOVE FLOOD STAGE.
RIVER.
FOR THE PECATONICA RIVER...INCLUDING SHIRLAND...MINOR FLOODING IS
POSSIBLE.
FOR THE PECATONICA RIVER NEAR SHIRLAND, THE LATEST STAGE IS 6.3 FEET
AT 10 PM SUNDAY. FLOOD STAGE IS 12.0 FEET. BANKFULL STAGE IS 11.0
FEET. MINOR FLOODING IS POSSIBLE...WITH A CREST OF AROUND 12.5 FEET
WEDNESDAY EVENING...WHICH IS 0.5 FEET ABOVE FLOOD STAGE.
Flood Statement 21:35:02.7692498
...URBAN AND SMALL STREAM FLOOD ADVISORY FOR RAIN AND MELTING SNOW
REMAINS IN EFFECT FOR ALL OF NORTH CENTRAL AND NORTHEAST ILLINOIS...
AT 923 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN
AREA OF LIGHT RAIN CONTINUING TO DEVELOP AND MOVE NORTHEAST ACROSS
THE ADVISORY AREA. ALTHOUGH THIS RAIN IS EXPECTED TO ONLY PRODUCE
LIGHT AMOUNTS TONIGHT WITH HIGHER RAINFALL RATES UNLIKELY THIS
EVENING...THE COMBINATION OF SNOW MELT AND THE RAINFALL FROM EARLIER
SUNDAY WILL HELP KEEP STREAMS AND RIVERS ELEVATED AS WELL AS MORE
RURAL LOCATIONS LIKELY OBSERVING WATER COVERED ROADS NEAR DITCHES OR
ADJACENT WATER COVERED FIELDS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE ELEVATED LEVELS ON SMALL
CREEKS AND STREAMS...PONDING OF WATER ON ROADS...URBAN AREAS...
HIGHWAYS... UNDERPASSES AND LOW LYING AREAS.
&&
LAT...LON 4061 8846 4062 8858 4075 8859 4075 8894
4092 8894 4093 8905 4110 8905 4111 8917
4158 8917 4159 8964 4220 8970 4221 8940
4250 8940 4249 8779 4227 8782 4173 8752
4049 8753 4048 8793 4040 8793 4040 8846
REMAINS IN EFFECT FOR ALL OF NORTH CENTRAL AND NORTHEAST ILLINOIS...
AT 923 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN
AREA OF LIGHT RAIN CONTINUING TO DEVELOP AND MOVE NORTHEAST ACROSS
THE ADVISORY AREA. ALTHOUGH THIS RAIN IS EXPECTED TO ONLY PRODUCE
LIGHT AMOUNTS TONIGHT WITH HIGHER RAINFALL RATES UNLIKELY THIS
EVENING...THE COMBINATION OF SNOW MELT AND THE RAINFALL FROM EARLIER
SUNDAY WILL HELP KEEP STREAMS AND RIVERS ELEVATED AS WELL AS MORE
RURAL LOCATIONS LIKELY OBSERVING WATER COVERED ROADS NEAR DITCHES OR
ADJACENT WATER COVERED FIELDS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE ELEVATED LEVELS ON SMALL
CREEKS AND STREAMS...PONDING OF WATER ON ROADS...URBAN AREAS...
HIGHWAYS... UNDERPASSES AND LOW LYING AREAS.
&&
LAT...LON 4061 8846 4062 8858 4075 8859 4075 8894
4092 8894 4093 8905 4110 8905 4111 8917
4158 8917 4159 8964 4220 8970 4221 8940
4250 8940 4249 8779 4227 8782 4173 8752
4049 8753 4048 8793 4040 8793 4040 8846
Non-Precipitation Watch, Warning, Advisory 21:16:00.7579440
...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 4 AM CDT MONDAY...
* VISIBILITY...WIDESPREAD VISIBILITY OF ONE QUARTER MILE OR
LESS...WITH SOME ISOLATED AREAS NEAR ZERO.
* IMPACTS...DENSE FOG WILL MAKE TRAVELING BY CAR OR AIR
CHALLENGING TONIGHT. THOSE WHO MUST TRAVEL SHOULD PLAN
ACCORDINGLY. BE PREPARED FOR RAPIDLY CHANGING VISIBILITIES WHEN
TRAVELING FROM AREAS OF RELATIVELY LIGHTER FOG INTO AREAS OF
VERY DENSE FOG AND AN ALMOST INSTANTANEOUS CHANGE TO RESTRICTED
VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU.
&&
* VISIBILITY...WIDESPREAD VISIBILITY OF ONE QUARTER MILE OR
LESS...WITH SOME ISOLATED AREAS NEAR ZERO.
* IMPACTS...DENSE FOG WILL MAKE TRAVELING BY CAR OR AIR
CHALLENGING TONIGHT. THOSE WHO MUST TRAVEL SHOULD PLAN
ACCORDINGLY. BE PREPARED FOR RAPIDLY CHANGING VISIBILITIES WHEN
TRAVELING FROM AREAS OF RELATIVELY LIGHTER FOG INTO AREAS OF
VERY DENSE FOG AND AN ALMOST INSTANTANEOUS CHANGE TO RESTRICTED
VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU.
&&
Flood Statement 18:57:04.6754176
...URBAN AND SMALL STREAM FLOOD ADVISORY FOR RAIN AND MELTING SNOW
REMAINS IN EFFECT FOR ALL OF NORTH CENTRAL AND NORTHEAST ILLINOIS...
AT 637 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN
AREA OF RAINFALL SLOWLY EXITING THE ADVISORY AREA...WITH RADAR
ESTIMATING A HALF UP TO ONE INCH OF RAIN HAS FALLEN ACROSS THE
ADVISORY AREA THIS PAST AFTERNOON. ALTHOUGH THE HEAVIEST RAINFALL IS
EXITING...UP TO A QUARTER INCH OF ADDITIONAL RAINFALL IS STILL
POSSIBLE IN SOME LOCATIONS THIS EVENING. THIS RAINFALL HAS COMBINED
WITH RAPID SNOWMELT ACROSS THE AREA PROVIDING RISES ON MANY AREA
STREAMS AND RIVERS...WITH MANY REPORTS OF ACCUMULATING WATER ON
FIELDS AND DITCHES NOW SPILLING ONTO AREA ROADWAYS. SHERIFF REPORTS
HAVE BEEN CONSISTENT WITH THE MORE EXTENSIVE FLOODING CONSISTING OF
SOME LOCATIONS ALONG HIGHWAYS AND ROADS OBSERVING ONE TO TWO INCHES
OF STANDING WATER...COVERING THE ROADS IN LOCATIONS NEAR DITCHES OR
ADJACENT WATER COVERED FIELDS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE ELEVATED LEVELS ON SMALL
CREEKS AND STREAMS...PONDING OF WATER ON ROADS...URBAN AREAS...
HIGHWAYS... UNDERPASSES AND LOW LYING AREAS.
&&
LAT...LON 4061 8846 4062 8858 4075 8859 4075 8894
4092 8894 4093 8905 4110 8905 4111 8917
4158 8917 4159 8964 4220 8970 4221 8940
4250 8940 4249 8779 4227 8782 4173 8752
4049 8753 4048 8793 4040 8793 4040 8846
REMAINS IN EFFECT FOR ALL OF NORTH CENTRAL AND NORTHEAST ILLINOIS...
AT 637 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN
AREA OF RAINFALL SLOWLY EXITING THE ADVISORY AREA...WITH RADAR
ESTIMATING A HALF UP TO ONE INCH OF RAIN HAS FALLEN ACROSS THE
ADVISORY AREA THIS PAST AFTERNOON. ALTHOUGH THE HEAVIEST RAINFALL IS
EXITING...UP TO A QUARTER INCH OF ADDITIONAL RAINFALL IS STILL
POSSIBLE IN SOME LOCATIONS THIS EVENING. THIS RAINFALL HAS COMBINED
WITH RAPID SNOWMELT ACROSS THE AREA PROVIDING RISES ON MANY AREA
STREAMS AND RIVERS...WITH MANY REPORTS OF ACCUMULATING WATER ON
FIELDS AND DITCHES NOW SPILLING ONTO AREA ROADWAYS. SHERIFF REPORTS
HAVE BEEN CONSISTENT WITH THE MORE EXTENSIVE FLOODING CONSISTING OF
SOME LOCATIONS ALONG HIGHWAYS AND ROADS OBSERVING ONE TO TWO INCHES
OF STANDING WATER...COVERING THE ROADS IN LOCATIONS NEAR DITCHES OR
ADJACENT WATER COVERED FIELDS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE ELEVATED LEVELS ON SMALL
CREEKS AND STREAMS...PONDING OF WATER ON ROADS...URBAN AREAS...
HIGHWAYS... UNDERPASSES AND LOW LYING AREAS.
&&
LAT...LON 4061 8846 4062 8858 4075 8859 4075 8894
4092 8894 4093 8905 4110 8905 4111 8917
4158 8917 4159 8964 4220 8970 4221 8940
4250 8940 4249 8779 4227 8782 4173 8752
4049 8753 4048 8793 4040 8793 4040 8846
Flood Statement 16:15:17.5793183
THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED AN
* URBAN AND SMALL STREAM FLOOD ADVISORY FOR RAIN AND MELTING SNOW
FOR...
ALL OF NORTH CENTRAL AND NORTHEAST ILLINOIS
* UNTIL 100 AM CDT MONDAY
* AT 401 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN
AREA OF RAINFALL CONTINUING TO MOVE ACROSS THE ADVISORY AREA.
DOPPLER RADAR ESTIMATED A HALF UP TO ONE INCH OF RAIN HAS FALLEN
ACROSS A PORTION OF THE ADVISORY AREA OVER THE LAST SEVERAL
HOURS...WITH AN ADDITIONAL HALF INCH EXPECTED THROUGH THIS
EVENING. THIS RAINFALL HAS COMBINED WITH RAPID SNOWMELT ACROSS THE
AREA PROVIDING RISES ON MANY AREA STREAMS AND RIVERS...WITH
SEVERAL REPORTS NOW BEING RECEIVED OF ACCUMULATING WATER ON
FIELDS BEGINNING TO SPILL OVER ONTO AREA ROADWAYS.
* RUNOFF FROM THIS RAINFALL WILL CAUSE MINOR FLOODING TO OCCUR...
ESPECIALLY ALONG SMALL STREAMS AND NEAR LOW WATER CROSSINGS. SOME
LOCATIONS THAT WILL EXPERIENCE MINOR FLOODING INCLUDE...ADDISON...
ALGONQUIN...ALSIP...ANTIOCH...ARLINGTON HEIGHTS...AURORA...
BARRINGTON...BATAVIA...BEACH PARK...BELVIDERE...BERWYN...BLUE
ISLAND...BOLINGBROOK...BOURBONNAIS AND BRADLEY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE ELEVATED LEVELS ON SMALL
CREEKS AND STREAMS...PONDING OF WATER ON ROADS...URBAN AREAS...
HIGHWAYS... VIADUCTS...UNDERPASSES AND LOW LYING AREAS.
&&
LAT...LON 4061 8846 4062 8858 4075 8859 4075 8894
4092 8894 4093 8905 4110 8905 4111 8917
4158 8917 4159 8964 4220 8970 4221 8940
4250 8940 4249 8779 4227 8782 4173 8752
4049 8753 4048 8793 4040 8793 4040 8846
* URBAN AND SMALL STREAM FLOOD ADVISORY FOR RAIN AND MELTING SNOW
FOR...
ALL OF NORTH CENTRAL AND NORTHEAST ILLINOIS
* UNTIL 100 AM CDT MONDAY
* AT 401 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN
AREA OF RAINFALL CONTINUING TO MOVE ACROSS THE ADVISORY AREA.
DOPPLER RADAR ESTIMATED A HALF UP TO ONE INCH OF RAIN HAS FALLEN
ACROSS A PORTION OF THE ADVISORY AREA OVER THE LAST SEVERAL
HOURS...WITH AN ADDITIONAL HALF INCH EXPECTED THROUGH THIS
EVENING. THIS RAINFALL HAS COMBINED WITH RAPID SNOWMELT ACROSS THE
AREA PROVIDING RISES ON MANY AREA STREAMS AND RIVERS...WITH
SEVERAL REPORTS NOW BEING RECEIVED OF ACCUMULATING WATER ON
FIELDS BEGINNING TO SPILL OVER ONTO AREA ROADWAYS.
* RUNOFF FROM THIS RAINFALL WILL CAUSE MINOR FLOODING TO OCCUR...
ESPECIALLY ALONG SMALL STREAMS AND NEAR LOW WATER CROSSINGS. SOME
LOCATIONS THAT WILL EXPERIENCE MINOR FLOODING INCLUDE...ADDISON...
ALGONQUIN...ALSIP...ANTIOCH...ARLINGTON HEIGHTS...AURORA...
BARRINGTON...BATAVIA...BEACH PARK...BELVIDERE...BERWYN...BLUE
ISLAND...BOLINGBROOK...BOURBONNAIS AND BRADLEY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE ELEVATED LEVELS ON SMALL
CREEKS AND STREAMS...PONDING OF WATER ON ROADS...URBAN AREAS...
HIGHWAYS... VIADUCTS...UNDERPASSES AND LOW LYING AREAS.
&&
LAT...LON 4061 8846 4062 8858 4075 8859 4075 8894
4092 8894 4093 8905 4110 8905 4111 8917
4158 8917 4159 8964 4220 8970 4221 8940
4250 8940 4249 8779 4227 8782 4173 8752
4049 8753 4048 8793 4040 8793 4040 8846
Non-Precipitation Watch, Warning, Advisory 15:28:39.5516180
...DENSE FOG ADVISORY IN EFFECT UNTIL 11 PM CDT THIS EVENING...
THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A DENSE FOG
ADVISORY...WHICH IS IN EFFECT UNTIL 11 PM CDT THIS EVENING.
* VISIBILITY...WIDESPREAD VISIBILITY OF ONE QUARTER MILE OR
LESS...WITH SOME ISOLATED AREAS NEAR ZERO.
* IMPACTS...DENSE FOG WILL MAKE TRAVELING BY CAR OR AIR
CHALLENGING THROUGH TONIGHT. THOSE WHO MUST TRAVEL SHOULD PLAN
ACCORDINGLY. BE PREPARED FOR RAPIDLY CHANGING VISIBILITIES WHEN
TRAVELING FROM AREAS OF RELATIVELY LIGHTER FOG INTO AREAS OF
VERY DENSE FOG AND AN ALMOST INSTANTANEOUS CHANGE TO RESTRICTED
VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU.
&&
THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A DENSE FOG
ADVISORY...WHICH IS IN EFFECT UNTIL 11 PM CDT THIS EVENING.
* VISIBILITY...WIDESPREAD VISIBILITY OF ONE QUARTER MILE OR
LESS...WITH SOME ISOLATED AREAS NEAR ZERO.
* IMPACTS...DENSE FOG WILL MAKE TRAVELING BY CAR OR AIR
CHALLENGING THROUGH TONIGHT. THOSE WHO MUST TRAVEL SHOULD PLAN
ACCORDINGLY. BE PREPARED FOR RAPIDLY CHANGING VISIBILITIES WHEN
TRAVELING FROM AREAS OF RELATIVELY LIGHTER FOG INTO AREAS OF
VERY DENSE FOG AND AN ALMOST INSTANTANEOUS CHANGE TO RESTRICTED
VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU.
&&
Flood Potential Outlook 11:27:26.4083353
THIS HYDROLOGIC OUTLOOK INCLUDES THE FOLLOWING RIVERS: KISHWAUKEE
RIVER...PECATONICA RIVER.
RECENT RAINFALL HAS HELPED MELT THE SNOW PACK WHICH HAS CAUSED RISES
OF WATER LEVELS ON AREA RIVERS. ADDITIONAL RAINFALL THE REST OF
TODAY INTO TONIGHT...ALONG WITH THE FURTHER MELTING OF THE EXISTING
SNOW PACK...WILL ADD TO THE WATER LEVELS.
FOR THE KISHWAUKEE RIVER...INCLUDING PERRYVILLE...MINOR FLOODING IS
POSSIBLE.
ON THE KISHWAUKEE RIVER NEAR PERRYVILLE, THE LATEST STAGE WAS 5.8
FEET AT 10 AM SUNDAY. FLOOD STAGE IS 12.0 FEET. BANKFULL STAGE IS
10.0 FEET. MINOR FLOODING IS POSSIBLE...WITH A CREST OF AROUND 12.7
FEET TUESDAY AFTERNOON...WHICH IS 0.7 FEET ABOVE FLOOD STAGE.
FOR THE PECATONICA RIVER...INCLUDING SHIRLAND...MINOR FLOODING IS
POSSIBLE.
ON THE PECATONICA RIVER NEAR SHIRLAND, THE LATEST STAGE WAS 5.3 FEET
AT 11 AM SUNDAY. FLOOD STAGE IS 12.0 FEET. BANKFULL STAGE IS 11.0
FEET. MINOR FLOODING IS POSSIBLE...WITH A CREST OF AROUND 12.5 FEET
WEDNESDAY EVENING...WHICH IS 0.5 FEET ABOVE FLOOD STAGE.
RIVER...PECATONICA RIVER.
RECENT RAINFALL HAS HELPED MELT THE SNOW PACK WHICH HAS CAUSED RISES
OF WATER LEVELS ON AREA RIVERS. ADDITIONAL RAINFALL THE REST OF
TODAY INTO TONIGHT...ALONG WITH THE FURTHER MELTING OF THE EXISTING
SNOW PACK...WILL ADD TO THE WATER LEVELS.
FOR THE KISHWAUKEE RIVER...INCLUDING PERRYVILLE...MINOR FLOODING IS
POSSIBLE.
ON THE KISHWAUKEE RIVER NEAR PERRYVILLE, THE LATEST STAGE WAS 5.8
FEET AT 10 AM SUNDAY. FLOOD STAGE IS 12.0 FEET. BANKFULL STAGE IS
10.0 FEET. MINOR FLOODING IS POSSIBLE...WITH A CREST OF AROUND 12.7
FEET TUESDAY AFTERNOON...WHICH IS 0.7 FEET ABOVE FLOOD STAGE.
FOR THE PECATONICA RIVER...INCLUDING SHIRLAND...MINOR FLOODING IS
POSSIBLE.
ON THE PECATONICA RIVER NEAR SHIRLAND, THE LATEST STAGE WAS 5.3 FEET
AT 11 AM SUNDAY. FLOOD STAGE IS 12.0 FEET. BANKFULL STAGE IS 11.0
FEET. MINOR FLOODING IS POSSIBLE...WITH A CREST OF AROUND 12.5 FEET
WEDNESDAY EVENING...WHICH IS 0.5 FEET ABOVE FLOOD STAGE.
Saturday, March 9, 2013
Flood Potential Outlook 21:32:37.7678143
...MINOR FLOODING POSSIBLE LATE SUNDAY INTO THE FIRST HALF OF THE
WEEK DUE TO A COMBINATION OF SNOWMELT AND RAINFALL...
AS AN EARLY SPRING STORM SYSTEM AFFECTS NORTHERN ILLINOIS AND
NORTHWEST INDIANA SUNDAY AND SUNDAY NIGHT...WIDESPREAD RAINFALL
WILL OCCUR. RAINFALL AMOUNTS THROUGH SUNDAY NIGHT OF AROUND ONE
AND A HALF INCHES WITH LOCALLY HIGHER AMOUNTS ARE EXPECTED OVER
THE ROCK RIVER BASIN. FURTHER SOUTH...ONE TO ONE AND A HALF INCHES
ARE LIKELY OVER THE ILLINOIS RIVER BASIN...WITH LESSER AMOUNTS SOUTH
AND EAST FROM THERE. THIS RAINFALL...COMBINED WITH SNOWMELT
RUNOFF...WILL LEAD TO RISES ON AREA STREAMS ALONG WITH PONDING OF
WATER IN LOW LYING AREAS. SOME OF THE RISES ALONG WATERWAYS MAY BE
QUICK.
RECENT WINTER STORMS HAVE DEPOSITED SIGNIFICANT AMOUNTS OF SNOW
ACROSS NORTHERN ILLINOIS AND NORTHWEST INDIANA. SNOW DEPTHS
CURRENTLY RANGE FROM 1 TO 3 INCHES IN AREAS ALONG AND SOUTH OF
I-80. NORTH OF I-80...SNOW DEPTHS ARE BETWEEN 4 AND 10
INCHES...WITH THE DEEPEST SNOWPACK IN AREAS BORDERING THE
WISCONSIN STATE LINE. MORE IMPORTANTLY...WATER EQUIVALENTS OF THE
EXISTING SNOWPACK RANGE BETWEEN 1 AND 2.5 INCHES ACROSS MUCH OF
THE AREA.
ANOTHER CONCERN IS THE FROZEN GROUND BENEATH THE SNOWPACK. FROST
DEPTHS ARE CURRENTLY BETWEEN 6 AND 10 INCHES. THE KEY FACTOR THAT
WILL DETERMINE THE AMOUNT OF RUNOFF THAT OCCURS WILL BE THE RATE OF
FROZEN GROUND THAW LEADING UP TO AND DURING THE RAINFALL. AT THE
PRESENT TIME...THE THINKING IS THAT A SIGNIFICANT AMOUNT OF FROST
STILL REMAINS IN THE GROUND DURING THE HIGHEST SNOWMELT RATES LATE
TONIGHT INTO SUNDAY. THIS WOULD RESULT IN RUNOFF OF THE RAIN AND
SNOWMELT INSTEAD OF THAT WATER INFILTRATING INTO THE SOIL.
HOWEVER...THERE STILL IS UNCERTAINTY REGARDING THE AMOUNT OF FROST
THAW THAT WILL OCCUR. IN ADDITION...ANY HEAVY RAINFALL RATES THAT
OCCUR WITH THE ONGOING MELT WOULD RESULT IN HIGHER RUNOFF RATES
REGARDLESS OF THE FROST DEPTH.
PERSONS LIVING IN LOW LYING FLOOD PRONE AREAS SHOULD CONTINUE TO
MONITOR LATER FORECASTS AND STATEMENTS ON THE INCREASING FLOOD
POTENTIAL SUNDAY INTO THE FIRST HALF OF THE WEEK. SOME OF THE AREA
RIVERS THAT LOOK LIKE THEY COULD RISE TOWARD FLOOD STAGE INCLUDE
BUT ARE NOT LIMITED TO THE DES PLAINES RIVER...DUPAGE
RIVER...ILLINOIS RIVER...KISHWAUKEE RIVER...ROCK RIVER...AND SUGAR
CREEK.
WEEK DUE TO A COMBINATION OF SNOWMELT AND RAINFALL...
AS AN EARLY SPRING STORM SYSTEM AFFECTS NORTHERN ILLINOIS AND
NORTHWEST INDIANA SUNDAY AND SUNDAY NIGHT...WIDESPREAD RAINFALL
WILL OCCUR. RAINFALL AMOUNTS THROUGH SUNDAY NIGHT OF AROUND ONE
AND A HALF INCHES WITH LOCALLY HIGHER AMOUNTS ARE EXPECTED OVER
THE ROCK RIVER BASIN. FURTHER SOUTH...ONE TO ONE AND A HALF INCHES
ARE LIKELY OVER THE ILLINOIS RIVER BASIN...WITH LESSER AMOUNTS SOUTH
AND EAST FROM THERE. THIS RAINFALL...COMBINED WITH SNOWMELT
RUNOFF...WILL LEAD TO RISES ON AREA STREAMS ALONG WITH PONDING OF
WATER IN LOW LYING AREAS. SOME OF THE RISES ALONG WATERWAYS MAY BE
QUICK.
RECENT WINTER STORMS HAVE DEPOSITED SIGNIFICANT AMOUNTS OF SNOW
ACROSS NORTHERN ILLINOIS AND NORTHWEST INDIANA. SNOW DEPTHS
CURRENTLY RANGE FROM 1 TO 3 INCHES IN AREAS ALONG AND SOUTH OF
I-80. NORTH OF I-80...SNOW DEPTHS ARE BETWEEN 4 AND 10
INCHES...WITH THE DEEPEST SNOWPACK IN AREAS BORDERING THE
WISCONSIN STATE LINE. MORE IMPORTANTLY...WATER EQUIVALENTS OF THE
EXISTING SNOWPACK RANGE BETWEEN 1 AND 2.5 INCHES ACROSS MUCH OF
THE AREA.
ANOTHER CONCERN IS THE FROZEN GROUND BENEATH THE SNOWPACK. FROST
DEPTHS ARE CURRENTLY BETWEEN 6 AND 10 INCHES. THE KEY FACTOR THAT
WILL DETERMINE THE AMOUNT OF RUNOFF THAT OCCURS WILL BE THE RATE OF
FROZEN GROUND THAW LEADING UP TO AND DURING THE RAINFALL. AT THE
PRESENT TIME...THE THINKING IS THAT A SIGNIFICANT AMOUNT OF FROST
STILL REMAINS IN THE GROUND DURING THE HIGHEST SNOWMELT RATES LATE
TONIGHT INTO SUNDAY. THIS WOULD RESULT IN RUNOFF OF THE RAIN AND
SNOWMELT INSTEAD OF THAT WATER INFILTRATING INTO THE SOIL.
HOWEVER...THERE STILL IS UNCERTAINTY REGARDING THE AMOUNT OF FROST
THAW THAT WILL OCCUR. IN ADDITION...ANY HEAVY RAINFALL RATES THAT
OCCUR WITH THE ONGOING MELT WOULD RESULT IN HIGHER RUNOFF RATES
REGARDLESS OF THE FROST DEPTH.
PERSONS LIVING IN LOW LYING FLOOD PRONE AREAS SHOULD CONTINUE TO
MONITOR LATER FORECASTS AND STATEMENTS ON THE INCREASING FLOOD
POTENTIAL SUNDAY INTO THE FIRST HALF OF THE WEEK. SOME OF THE AREA
RIVERS THAT LOOK LIKE THEY COULD RISE TOWARD FLOOD STAGE INCLUDE
BUT ARE NOT LIMITED TO THE DES PLAINES RIVER...DUPAGE
RIVER...ILLINOIS RIVER...KISHWAUKEE RIVER...ROCK RIVER...AND SUGAR
CREEK.
Flood Potential Outlook 12:53:28.4594391
THIS HYDROLOGIC OUTLOOK INCLUDES THE FOLLOWING RIVERS: ILLINOIS
RIVER.
FOR THE UPPER ILLINOIS RIVER...INCLUDING LA SALLE...MINOR FLOODING IS
POSSIBLE.
THE FOLLOWING FLOOD FORECAST IS BASED PRIMARILY ON EXPECTED RAINFALL
OVER THE NEXT 36 HOURS. THIS RAINFALL...COMBINED WITH SNOWMELT
RUNOFF...COULD LEAD TO SIGNIFICANT RISES ON THE ILLINOIS RIVER.
FOR THE ILLINOIS RIVER AT LA SALLE, THE LATEST STAGE IS 12.7 FEET AT
12 PM SATURDAY. FLOOD STAGE IS 20.0 FEET. BANKFULL STAGE IS 17.5
FEET. MINOR FLOODING IS POSSIBLE...WITH A CREST OF AROUND 20.0 FEET
TUESDAY MORNING...WHICH IS EQUAL TO THE FLOOD STAGE.
RIVER.
FOR THE UPPER ILLINOIS RIVER...INCLUDING LA SALLE...MINOR FLOODING IS
POSSIBLE.
THE FOLLOWING FLOOD FORECAST IS BASED PRIMARILY ON EXPECTED RAINFALL
OVER THE NEXT 36 HOURS. THIS RAINFALL...COMBINED WITH SNOWMELT
RUNOFF...COULD LEAD TO SIGNIFICANT RISES ON THE ILLINOIS RIVER.
FOR THE ILLINOIS RIVER AT LA SALLE, THE LATEST STAGE IS 12.7 FEET AT
12 PM SATURDAY. FLOOD STAGE IS 20.0 FEET. BANKFULL STAGE IS 17.5
FEET. MINOR FLOODING IS POSSIBLE...WITH A CREST OF AROUND 20.0 FEET
TUESDAY MORNING...WHICH IS EQUAL TO THE FLOOD STAGE.
Flood Potential Outlook 11:25:29.4071771
THIS HYDROLOGIC OUTLOOK INCLUDES THE FOLLOWING RIVERS: EAST BRANCH DU
PAGE RIVER.
FOR THE EAST BRANCH DU PAGE RIVER...INCLUDING BOLINGBROOK...MINOR
FLOODING IS POSSIBLE.
THE FOLLOWING FLOOD FORECAST IS BASED PRIMARILY ON EXPECTED RAINFALL
OVER THE NEXT 36 HOURS. THIS RAINFALL...COMBINED WITH SNOWMELT
RUNOFF...COULD LEAD TO SIGNIFICANT RISES ON THE DU PAGE RIVER.
FOR THE EAST BRANCH DU PAGE RIVER AT BOLINGBROOK, THE LATEST STAGE IS
15.1 FEET AT 10 AM SATURDAY. FLOOD STAGE IS 19.5 FEET. BANKFULL STAGE
IS 18.0 FEET. MINOR FLOODING IS POSSIBLE...WITH A CREST OF AROUND
19.6 FEET MONDAY AFTERNOON...WHICH IS 0.1 FEET ABOVE FLOOD STAGE.
PAGE RIVER.
FOR THE EAST BRANCH DU PAGE RIVER...INCLUDING BOLINGBROOK...MINOR
FLOODING IS POSSIBLE.
THE FOLLOWING FLOOD FORECAST IS BASED PRIMARILY ON EXPECTED RAINFALL
OVER THE NEXT 36 HOURS. THIS RAINFALL...COMBINED WITH SNOWMELT
RUNOFF...COULD LEAD TO SIGNIFICANT RISES ON THE DU PAGE RIVER.
FOR THE EAST BRANCH DU PAGE RIVER AT BOLINGBROOK, THE LATEST STAGE IS
15.1 FEET AT 10 AM SATURDAY. FLOOD STAGE IS 19.5 FEET. BANKFULL STAGE
IS 18.0 FEET. MINOR FLOODING IS POSSIBLE...WITH A CREST OF AROUND
19.6 FEET MONDAY AFTERNOON...WHICH IS 0.1 FEET ABOVE FLOOD STAGE.
Friday, March 8, 2013
Flood Potential Outlook 14:04:53.5018607
...MINOR FLOODING POSSIBLE LATE SUNDAY INTO NEXT WEEK DUE TO A
COMBINATION OF SNOWMELT AND RAINFALL...
A LOW PRESSURE SYSTEM WILL BE AFFECTING NORTHERN ILLINOIS AND
NORTHWEST INDIANA BEGINNING LATE SATURDAY. THIS SYSTEM HAS THE
POTENTIAL OF PRODUCING RAINFALL OF BETWEEN 0.75 AND 1 INCH. THIS
RAINFALL...COMBINED WITH SNOWMELT RUNOFF...COULD LEAD TO SIGNIFICANT
RISES ON AREA STREAMS ALONG WITH PONDING OF WATER IN LOW LYING AREAS.
RECENT WINTER STORMS HAVE DEPOSITED SIGNIFICANT AMOUNTS OF SNOW
ACROSS NORTHERN ILLINOIS AND NORTHWEST INDIANA. SNOW DEPTHS
CURRENTLY RANGE FROM 3 TO 6 INCHES IN AREAS ALONG AND SOUTH OF I-80.
NORTH OF I-80...SNOW DEPTHS ARE BETWEEN 6 AND 12 INCHES...WITH THE
DEEPEST SNOWPACK IN AREAS BORDERING THE WISCONSIN STATE LINE. MORE
IMPORTANTLY...WATER EQUIVALENTS OF THE EXISTING SNOWPACK RANGE
BETWEEN 1 AND 2.5 INCHES.
ANOTHER CONCERN IS THE FROZEN GROUND BENEATH THE SNOWPACK. FROST
DEPTHS ARE CURRENTLY BETWEEN 6 AND 10 INCHES. THE KEY FACTOR THAT
WILL DETERMINE THE AMOUNT OF RUNOFF THAT OCCURS WILL BE THE RATE OF
FROZEN GROUND THAW THAT OCCURS BEFORE AND DURING THE PERIOD WHEN
SNOWMELT AND RAINFALL IS IN PROGRESS. AT THE PRESENT TIME...THE
THINKING IS THAT A SIGNIFICANT AMOUNT OF FROST WILL STILL REMAIN IN
THE GROUND DURING THE HIGHEST SNOWMELT RATES. THIS WOULD RESULT IN
RUNOFF OF THE RAIN AND SNOWMELT INSTEAD OF THAT WATER INFILTRATING
INTO SOIL. HOWEVER...THERE STILL IS UNCERTAINTY REGARDING THE AMOUNT
OF FROST THAW THAT WILL OCCUR. IN ADDITION...HEAVY RAINFALL DURING
THE MELT PERIOD WOULD RESULT IN HIGHER RUNOFF RATES REGARDLESS OF
THE FROST DEPTH.
PERSONS LIVING IN LOW LYING FLOOD PRONE AREAS SHOULD CONTINUE TO
MONITOR LATER FORECASTS AND STATEMENTS ON THE INCREASING FLOOD
POTENTIAL LATER THIS WEEKEND AND INTO NEXT WEEK.
COMBINATION OF SNOWMELT AND RAINFALL...
A LOW PRESSURE SYSTEM WILL BE AFFECTING NORTHERN ILLINOIS AND
NORTHWEST INDIANA BEGINNING LATE SATURDAY. THIS SYSTEM HAS THE
POTENTIAL OF PRODUCING RAINFALL OF BETWEEN 0.75 AND 1 INCH. THIS
RAINFALL...COMBINED WITH SNOWMELT RUNOFF...COULD LEAD TO SIGNIFICANT
RISES ON AREA STREAMS ALONG WITH PONDING OF WATER IN LOW LYING AREAS.
RECENT WINTER STORMS HAVE DEPOSITED SIGNIFICANT AMOUNTS OF SNOW
ACROSS NORTHERN ILLINOIS AND NORTHWEST INDIANA. SNOW DEPTHS
CURRENTLY RANGE FROM 3 TO 6 INCHES IN AREAS ALONG AND SOUTH OF I-80.
NORTH OF I-80...SNOW DEPTHS ARE BETWEEN 6 AND 12 INCHES...WITH THE
DEEPEST SNOWPACK IN AREAS BORDERING THE WISCONSIN STATE LINE. MORE
IMPORTANTLY...WATER EQUIVALENTS OF THE EXISTING SNOWPACK RANGE
BETWEEN 1 AND 2.5 INCHES.
ANOTHER CONCERN IS THE FROZEN GROUND BENEATH THE SNOWPACK. FROST
DEPTHS ARE CURRENTLY BETWEEN 6 AND 10 INCHES. THE KEY FACTOR THAT
WILL DETERMINE THE AMOUNT OF RUNOFF THAT OCCURS WILL BE THE RATE OF
FROZEN GROUND THAW THAT OCCURS BEFORE AND DURING THE PERIOD WHEN
SNOWMELT AND RAINFALL IS IN PROGRESS. AT THE PRESENT TIME...THE
THINKING IS THAT A SIGNIFICANT AMOUNT OF FROST WILL STILL REMAIN IN
THE GROUND DURING THE HIGHEST SNOWMELT RATES. THIS WOULD RESULT IN
RUNOFF OF THE RAIN AND SNOWMELT INSTEAD OF THAT WATER INFILTRATING
INTO SOIL. HOWEVER...THERE STILL IS UNCERTAINTY REGARDING THE AMOUNT
OF FROST THAW THAT WILL OCCUR. IN ADDITION...HEAVY RAINFALL DURING
THE MELT PERIOD WOULD RESULT IN HIGHER RUNOFF RATES REGARDLESS OF
THE FROST DEPTH.
PERSONS LIVING IN LOW LYING FLOOD PRONE AREAS SHOULD CONTINUE TO
MONITOR LATER FORECASTS AND STATEMENTS ON THE INCREASING FLOOD
POTENTIAL LATER THIS WEEKEND AND INTO NEXT WEEK.
Thursday, March 7, 2013
Radar Outage Notification 18:17:17.6517863
NOUS63 KLOT 080012
FTMLOT
MESSAGE DATE: MAR 08 2013 00:11:40
THE KLOT RADAR WILL BE DOWN FOR ROUTINE MAINTENANCE THROUGH THE NEXT
30 TO 60 MINUTES.
FTMLOT
MESSAGE DATE: MAR 08 2013 00:11:40
THE KLOT RADAR WILL BE DOWN FOR ROUTINE MAINTENANCE THROUGH THE NEXT
30 TO 60 MINUTES.
Flood Potential Outlook 11:02:48.3937032
...2013 SPRING FLOOD AND WATER RESOURCES OUTLOOK NUMBER 2...
THIS OUTLOOK IS FOR STREAMS WITHIN THE NWS CHICAGO HYDROLOGIC
SERVICE AREA...WHICH INCLUDES ILLINOIS RIVER TRIBUTARIES IN
NORTHEAST ILLINOIS AND NORTHWEST INDIANA. IT INCLUDES THE ILLINOIS
RIVER DOWN TO LA SALLE. IT ALSO INCLUDES STREAMS WITHIN THE ROCK
RIVER BASIN IN NORTH CENTRAL ILLINOIS AND THE ROCK RIVER FROM
ROCKTON DOWN TO DIXON ILLINOIS. THIS OUTLOOK IS FOR THE TIME PERIOD
FROM LATE MARCH THROUGH EARLY JUNE.
...OUTLOOK SUMMARY...
THE POTENTIAL FOR FLOODING HAS INCREASED SLIGHTLY SINCE THE LAST
OUTLOOK ON FEB 21...AS A RESULT OF ABOVE NORMAL SNOWFALL ACROSS THE
AREA FROM RECENT WINTER STORMS. THE RISK OF FLOODING THIS SPRING IS
NEAR NORMAL ACROSS NORTHERN ILLINOIS AND NORTHWEST INDIANA. ONE OF
THE KEY FACTORS IN ANY FLOODING IN THE COMING WEEKS WILL BE THE RATE
OF MELT OF THE EXISTING SNOWPACK AND THE AMOUNT OF ANY ADDITIONAL
PRECIPITATION DURING THE MELT PERIOD. ANOTHER FACTOR IS THE FROZEN
GROUND BENEATH THE SNOWPACK. THE RATE OF FROST MELT BENEATH THE
SNOWPACK WILL DETERMINE THE AMOUNT OF INFILTRATION AND SOIL MOISTURE
RECHARGE OR RUNOFF THAT WILL OCCUR.
THIS SPRING OUTLOOK IS BASED ON HYDROLOGIC CONDITIONS INCLUDING THE
CURRENT SOIL MOISTURE...SNOWPACK...AND STREAMFLOW CONDITIONS AT THE
TIME OF ISSUANCE. IT SHOULD BE NOTED THAT HYDROLOGIC CONDITIONS CAN
CHANGE RAPIDLY DURING LATE WINTER AND EARLY SPRING. THESE OUTLOOKS
ARE ISSUED EACH LATE WINTER AND EARLY SPRING IN ADDITION TO THE 7
DAY RIVER FORECASTS THAT ARE ISSUED WHEN RIVER FORECAST LOCATIONS
ARE IN FLOOD OR ARE FORECAST TO RISE ABOVE FLOOD STAGE.
...CURRENT SNOW COVER AND LIQUID WATER EQUIVALENT...
WINTER STORMS SINCE THE LAST OUTLOOK ON FEB 21 HAVE DEPOSITED
SIGNIFICANT AMOUNTS OF SNOW OVER NORTHERN ILLINOIS AND PORTIONS OF
NORTHWEST INDIANA. THE MOST RECENT WINTER STORM ON MARCH 5 DEPOSITED
AN ADDITIONAL 6 TO 10 INCHES. CURRENT SNOW DEPTHS AS REPORTED BY NWS
COOPERATIVE OBSERVER AND COCORAHS REPORTS WERE GENERALLY
BETWEEN 3 AND 6 INCHES IN AREAS SOUTH OF I-80 AND BETWEEN 6 AND 12
INCHES IN AREAS NORTH OF I-80. THE DEEPEST SNOWPACK EXISTS IN
NORTHERN ILLINOIS COUNTIES BORDERING WISCONSIN. WATER EQUIVALENTS OF
THE EXISTING SNOWPACK WERE BETWEEN 1 AND 2.5 INCHES.
...PAST PRECIPITATION AND SOIL CONDITIONS...
SEVERE TO EXTREME DROUGHT CONDITIONS PLAGUED NORTHERN ILLINOIS
DURING THE SUMMER OF 2012 AND PERSISTED INTO FALL. AS OF MARCH 7
...MODERATE DROUGHT CONDITIONS CONTINUED OVER A LARGE AREA OF
NORTH CENTRAL ILLINOIS. SOME RIVER LOCATIONS RECORDED NEAR RECORD
LOW STREAMFLOWS THIS PAST SUMMER. PRECIPITATION DURING THE FALL WAS
50 TO 75 PERCENT OF MEAN ACROSS NORTHERN ILLINOIS AND NORTHWEST
INDIANA. PRECIPITATION FOR THE DECEMBER THROUGH JANUARY TIME FRAME
RANGED FROM NEAR NORMAL TO SLIGHTLY ABOVE NORMAL WITH THE MAJORITY
OF PRECIPITATION FALLING AS RAIN. SNOWFALL DURING THAT TIME WAS WELL
BELOW NORMAL. THE PATTERN CHANGED SIGNIFICANTLY SINCE FEBRUARY.
FEBRUARY PRECIPITATION APPROACHED 200 PERCENT OF NORMAL OVER FAR
NORTHERN ILLINOIS AND SNOWFALL RANGED FROM 7 TO 14 INCHES ABOVE
NORMAL. MARCH SNOWFALL IS WELL ABOVE NORMAL AS WELL.
SOIL MOISTURE WAS WELL BELOW NORMAL DURING THE SUMMER AND EXTENDING
INTO THE FALL. SOME AREAS SOUTH OF I-80 HAVE EXPERIENCED A SLIGHT
RECHARGE IN SOIL MOISTURE IN THE UPPER SOIL PROFILE DURING JANUARY
AND FEBRUARY. HOWEVER...IN MANY LOCATIONS...RAIN HAS FALLEN OVER
FROZEN GROUND AND IT IS UNCLEAR HOW MUCH RAIN HAS INFILTRATED INTO
THE SOIL PROFILE AND HOW MUCH SOIL MOISTURE RECHARGE HAS OCCURRED.
FROST DEPTHS ACROSS NORTHERN ILLINOIS AS OF MARCH 7 WERE BETWEEN 6
AND 10 INCHES. THE RATE OF FROST MELT BENEATH THE SNOWPACK WILL BE A
KEY FACTOR IN DETERMINING THE AMOUNT OF INFILTRATION AND SOIL
MOISTURE RECHARGE OR RUNOFF THAT OCCURS WITHIN THE COMING WEEKS.
...RIVER CONDITIONS...
STREAMFLOWS THIS PAST SUMMER FELL TO NEAR RECORD LOWS AS A RESULT OF
THE DROUGHT. RAINFALL DURING JANUARY AND FEBRUARY RESULTED IN
INCREASED STREAMFLOW ON AREA RIVERS. MANY LOCATIONS WERE
EXPERIENCING STEADY OR SLOWLY FALLING WATER LEVELS IN RECENT DAYS.
IN ADDITION...WATER LEVELS WERE WELL BELOW FLOOD STAGE AT MOST RIVER
FORECAST LOCATIONS.
NWS CHICAGO RIVER ICE SPOTTERS REPORTED THAT MOST ICE WAS OUT ON THE
KANKAKEE RIVER. SOME REMAINING ICE WAS REPORTED ON THE UPPER REACHES
OF THE FOX RIVER AND PORTIONS OF THE ROCK RIVER. ALTHOUGH THE THREAT
HAS DIMINISHED SINCE THE LAST OUTLOOK...ICE JAMS REMAIN A
POSSIBILITY AS FLOWS INCREASE AND ANY REMAINING ICE BEGINS TO BREAK
UP AND MOVE DOWNSTREAM.
...WEATHER OUTLOOKS...
THE SIX TO 10 DAY OUTLOOK VALID MARCH 12 TO 16 INDICATES
HIGHER CHANCES FOR BELOW NORMAL TEMPERATURES...AND EQUAL CHANCES FOR
ABOVE OR BELOW NORMAL PRECIPITATION. THE LONG RANGE OUTLOOK THROUGH
MAY INDICATES ABOVE NORMAL TEMPERATURES AND ABOVE NORMAL
PRECIPITATION.
IN TABLE 1 BELOW...THE CURRENT (CS) AND HISTORICAL (HS) OR NORMAL
PROBABILITIES OF EXCEEDING MINOR...MODERATE...AND MAJOR FLOOD STAGES
ARE LISTED FOR THE VALID TIME PERIOD.
CS VALUES INDICATE THE PROBABILITY OF REACHING A FLOOD CATEGORY
BASED ON CURRENT CONDITIONS.
HS VALUES INDICATE THE PROBABILITY OF REACHING A FLOOD CATEGORY
BASED ON HISTORICAL OR NORMAL CONDITIONS.
WHEN THE VALUE OF CS IS MORE THAN HS...THE PROBABILITY OF
EXCEEDING THAT LEVEL IS HIGHER THAN NORMAL. WHEN THE VALUE OF CS IS
LESS THAN HS...THE PROBABILITY OF EXCEEDING THAT LEVEL IS LOWER
THAN NORMAL.
...TABLE 1--PROBABILITIES FOR MINOR...MODERATE AND MAJOR FLOODING...
VALID PERIOD: 3/11/2013 - 6/9/2013
: CURRENT AND HISTORICAL
: CHANCES OF EXCEEDING
: FLOOD CATEGORIES
: AS A PERCENTAGE (%)
CATEGORICAL :
FLOOD STAGES (FT) : MINOR MODERATE MAJOR
LOCATION MINOR MOD MAJOR : CS HS CS HS CS HS
-------- ----- ----- ----- : --- --- --- --- --- ---
:HART DITCH
DYER 12.0 13.0 14.0 : <5 <5 <5 <5 <5 <5
:THORN CREEK
THORNTON 10.0 15.0 16.0 : 19 24 <5 <5 <5 <5
:LITTLE CALUMET RIVER
MUNSTER 12.0 14.0 17.0 : 37 42 16 18 <5 <5
SOUTH HOLLAND 16.5 18.0 20.0 : <5 <5 <5 <5 <5 <5
:KANKAKEE RIVER
DUNNS BRIDGE 10.0 12.0 13.0 : <5 27 <5 <5 <5 <5
KOUTS 11.0 13.0 14.0 : <5 27 <5 <5 <5 <5
SHELBY 9.0 11.0 12.5 : 70 80 9 36 <5 9
MOMENCE 5.0 6.5 9.0 : 18 27 9 11 <5 <5
:IROQUOIS RIVER
RENSSELAER 12.0 14.0 15.0 : 29 34 6 6 <5 6
FORESMAN 18.0 22.0 24.0 : 24 19 <5 <5 <5 <5
IROQUOIS 18.0 24.0 25.0 : 60 57 <5 6 <5 <5
:SUGAR CREEK
MILFORD 18.0 22.0 26.0 : 75 68 14 14 <5 <5
:IROQUOIS RIVER
CHEBANSE 16.0 18.0 20.0 : 13 14 <5 6 <5 <5
:KANKAKEE RIVER
WILMINGTON 6.5 8.0 10.0 : 16 16 <5 6 <5 <5
:DES PLAINES RIVER
RUSSELL 7.0 9.0 10.0 : 86 62 <5 <5 <5 <5
GURNEE 7.0 9.0 11.0 : 50 27 6 6 <5 <5
LINCOLNSHIRE 12.5 14.0 15.5 : 26 16 6 6 <5 <5
DES PLAINES 5.0 8.0 9.0 : 26 18 <5 <5 <5 <5
RIVERSIDE 7.0 8.0 9.0 : 27 19 <5 6 <5 <5
LEMONT 10.0 11.0 12.0 : 54 39 21 13 <5 <5
:W BR DU PAGE RIVER
WARRENVILLE 11.5 14.5 17.5 : 14 16 <5 <5 <5 <5
:EAST BRANCH DU PAGE RIVER
BOLINGBROOK 19.5 21.0 23.0 : 41 41 8 8 <5 <5
:DU PAGE RIVER
SHOREWOOD 6.5 8.0 10.0 : 11 14 <5 <5 <5 <5
:MAZON RIVER
COAL CITY 12.0 14.0 17.0 : 11 16 <5 <5 <5 <5
:FOX RIVER
ALGONQUIN TAILWAT 9.5 10.5 12.0 : 77 57 44 34 18 14
MONTGOMERY 13.0 14.0 15.0 : 57 44 11 9 <5 <5
DAYTON 12.0 14.0 24.0 : 44 44 11 13 <5 <5
:VERMILION RIVER
PONTIAC 14.0 15.0 18.0 : 14 18 8 11 <5 <5
LEONORE 16.0 21.0 26.0 : 37 39 6 11 <5 <5
:PECATONICA RIVER
SHIRLAND 12.0 14.0 15.5 : 50 34 8 13 <5 <5
:ROCK RIVER
ROCKTON 10.0 11.0 14.0 : 62 27 37 19 6 <5
LATHAM PARK 10.0 11.0 14.0 : 50 24 34 14 <5 <5
ROCKFORD 9.0 10.0 11.0 : <5 <5 <5 <5 <5 <5
:KISHWAUKEE RIVER
BELVIDERE 9.0 10.0 12.0 : 19 13 <5 8 <5 6
:SOUTH BRANCH KISHWAUKEE RIVER
DE KALB 10.0 11.0 12.5 : 8 6 <5 <5 <5 <5
:KISHWAUKEE RIVER
PERRYVILLE 12.0 18.0 22.0 : 72 32 <5 <5 <5 <5
:ROCK RIVER
BYRON 13.0 14.0 16.0 : 37 21 6 8 <5 <5
DIXON 16.0 18.0 20.0 : 18 14 <5 11 <5 <5
:NORTH BRANCH CHICAGO RIVER
CHICAGO ALBANY AV 7.0 7.5 8.0 : <5 <5 <5 <5 <5 <5
:ILLINOIS RIVER
MORRIS 16.0 18.0 22.0 : 37 39 14 19 <5 <5
OTTAWA 463.0 466.0 469.0 : 31 31 11 11 <5 <5
LA SALLE 20.0 27.0 31.0 : 75 67 11 13 <5 <5
LEGEND
CS = CONDITIONAL SIMULATION (CURRENT OUTLOOK)
HS = HISTORICAL SIMULATION
FT = FEET
IN TABLE 2 BELOW...THE 95 THROUGH 5 PERCENT COLUMNS INDICATE THE
PROBABILITY OF EXCEEDING THE LISTED STAGE LEVELS (FT) FOR THE VALID
TIME PERIOD.
...TABLE 2--EXCEEDANCE PROBABILITIES...
CHANCE OF EXCEEDING STAGES
AT SPECIFIC LOCATIONS
VALID PERIOD: 3/11/2013 - 6/9/2013
LOCATION 95% 90% 75% 50% 25% 10% 5%
-------- ------ ------ ------ ------ ------ ------ ------
:HART DITCH
DYER 3.8 3.9 4.7 5.6 6.7 7.7 8.2
:THORN CREEK
THORNTON 5.3 5.5 6.5 7.8 9.4 11.1 11.7
:LITTLE CALUMET RIVER
MUNSTER 9.5 9.8 10.4 11.3 12.5 14.6 15.4
SOUTH HOLLAND 10.0 10.3 11.2 12.4 13.9 14.7 14.7
:KANKAKEE RIVER
DUNNS BRIDGE 6.6 6.8 7.5 8.2 9.0 9.7 10.0
KOUTS 7.8 8.1 8.8 9.4 10.2 10.8 11.2
SHELBY 8.0 8.3 8.9 9.9 10.5 11.2 13.8
MOMENCE 3.1 3.2 3.5 4.3 4.7 6.5 7.6
:IROQUOIS RIVER
RENSSELAER 8.9 9.2 9.9 11.3 12.3 13.6 17.1
FORESMAN 13.5 13.9 14.8 16.4 18.1 18.9 19.9
IROQUOIS 14.9 15.2 16.6 18.9 22.5 23.1 23.4
:SUGAR CREEK
MILFORD 14.3 15.2 18.0 19.0 20.9 23.1 24.4
:IROQUOIS RIVER
CHEBANSE 9.2 9.4 10.6 12.5 15.1 16.5 19.8
:KANKAKEE RIVER
WILMINGTON 3.7 3.9 4.4 5.3 5.8 6.8 8.1
:DES PLAINES RIVER
RUSSELL 6.6 6.7 7.2 7.5 7.8 8.1 9.0
GURNEE 5.2 5.6 6.1 7.1 7.7 8.6 9.5
LINCOLNSHIRE 9.6 10.0 10.6 11.7 12.6 13.8 14.8
DES PLAINES 1.9 2.2 2.7 3.9 5.3 7.4 7.5
RIVERSIDE 5.1 5.1 5.8 6.4 7.2 7.7 8.3
LEMONT 8.6 8.8 9.5 10.1 10.9 11.5 11.9
:W BR DU PAGE RIVER
WARRENVILLE 9.5 9.6 10.1 10.6 11.0 11.7 11.9
:EAST BRANCH DU PAGE RIVER
BOLINGBROOK 18.1 18.3 18.9 19.4 20.0 20.7 21.3
:DU PAGE RIVER
SHOREWOOD 3.9 4.1 4.8 5.3 6.0 6.8 7.1
:MAZON RIVER
COAL CITY 4.1 5.4 7.4 9.5 11.1 13.2 13.6
:FOX RIVER
ALGONQUIN TAILWAT 8.9 9.0 9.6 10.2 11.4 13.4 13.9
MONTGOMERY 12.5 12.6 12.8 13.1 13.5 14.1 14.1
DAYTON 8.9 9.2 10.2 11.9 12.7 14.7 15.6
:VERMILION RIVER
PONTIAC 6.5 6.8 7.5 9.9 12.7 14.8 17.8
LEONORE 10.7 10.9 11.8 14.3 17.7 20.5 22.4
:PECATONICA RIVER
SHIRLAND 9.9 10.3 10.7 12.1 13.2 14.0 14.5
:ROCK RIVER
ROCKTON 8.4 8.6 9.5 10.5 12.2 13.5 15.2
LATHAM PARK 8.3 8.4 9.1 10.1 11.5 12.8 14.2
ROCKFORD 3.7 3.7 3.9 4.4 5.3 6.3 7.7
:KISHWAUKEE RIVER
BELVIDERE 5.1 5.8 6.4 7.7 8.6 9.7 12.5
:SOUTH BRANCH KISHWAUKEE RIVER
DE KALB 4.9 5.5 6.1 7.0 8.6 9.7 10.4
:KISHWAUKEE RIVER
PERRYVILLE 10.1 10.8 11.6 12.8 13.8 14.6 17.8
:ROCK RIVER
BYRON 10.0 10.4 11.3 12.3 13.6 15.9 16.3
DIXON 11.7 12.0 12.8 13.9 15.7 16.9 17.7
:NORTH BRANCH CHICAGO RIVER
CHICAGO ALBANY AV 3.2 3.6 4.3 5.0 5.6 6.5 6.9
:ILLINOIS RIVER
MORRIS 9.4 9.9 11.7 14.7 17.1 20.2 21.4
OTTAWA 459.4 459.5 460.6 461.9 463.4 466.9 468.8
LA SALLE 17.0 18.6 20.3 23.4 25.0 27.9 29.7
IN TABLE 3 BELOW...THE 95 THROUGH 5 PERCENT COLUMNS INDICATE THE
PROBABILITY OF FALLING BELOW THE LISTED STAGE LEVELS (FT) FOR THE
VALID TIME PERIOD.
...TABLE 3--NONEXCEEDANCE PROBABILITIES...
CHANCE OF FALLING BELOW STAGES
AT SPECIFIC LOCATIONS
VALID PERIOD: 3/11/2013 - 6/9/2013
LOCATION 95% 90% 75% 50% 25% 10% 5%
-------- ------ ------ ------ ------ ------ ------ ------
:HART DITCH
DYER 2.0 1.9 1.9 1.8 1.7 1.7 1.7
:THORN CREEK
THORNTON 3.0 2.9 2.9 2.9 2.8 2.8 2.8
:LITTLE CALUMET RIVER
MUNSTER 5.4 5.4 5.3 5.2 5.1 5.0 5.0
SOUTH HOLLAND 5.5 5.4 5.3 5.2 5.1 5.0 5.0
:KANKAKEE RIVER
DUNNS BRIDGE 3.9 3.8 3.5 3.2 3.0 2.7 2.4
KOUTS 5.0 4.9 4.7 4.4 4.1 3.8 3.5
SHELBY 5.7 5.5 5.2 4.8 4.5 4.1 3.8
MOMENCE 2.0 1.9 1.8 1.7 1.5 1.4 1.3
:IROQUOIS RIVER
RENSSELAER 4.6 4.4 4.3 4.1 3.8 3.7 3.5
FORESMAN 7.5 7.1 6.8 6.3 5.8 5.7 5.2
IROQUOIS 7.0 6.5 6.2 5.7 5.3 5.1 4.6
:SUGAR CREEK
MILFORD 4.2 3.9 3.7 3.6 3.4 3.1 3.0
:IROQUOIS RIVER
CHEBANSE 4.3 4.2 3.9 3.6 3.4 3.2 2.8
:KANKAKEE RIVER
WILMINGTON 1.9 1.7 1.6 1.5 1.3 1.1 1.0
:DES PLAINES RIVER
RUSSELL 3.2 3.2 2.9 2.8 2.7 2.6 2.5
GURNEE 2.5 2.5 2.1 2.0 1.8 1.6 1.5
LINCOLNSHIRE 7.3 7.2 6.9 6.7 6.6 6.3 6.2
DES PLAINES 1.2 1.2 1.1 1.0 0.9 0.8 0.8
RIVERSIDE 2.6 2.5 2.4 2.2 2.0 1.9 1.9
LEMONT 6.1 6.0 5.7 5.5 5.2 5.0 5.0
:W BR DU PAGE RIVER
WARRENVILLE 7.8 7.8 7.7 7.6 7.6 7.5 7.4
:EAST BRANCH DU PAGE RIVER
BOLINGBROOK 15.1 15.0 14.9 14.8 14.7 14.7 14.7
:DU PAGE RIVER
SHOREWOOD 2.4 2.4 2.3 2.3 2.2 2.1 2.1
:MAZON RIVER
COAL CITY 2.1 2.0 1.8 1.4 1.1 0.5 0.5
:FOX RIVER
ALGONQUIN TAILWAT 6.4 6.1 5.5 5.2 4.9 4.6 4.5
MONTGOMERY 11.6 11.5 11.4 11.2 11.1 11.0 11.0
DAYTON 6.9 6.7 6.3 6.0 5.6 5.4 5.3
:VERMILION RIVER
PONTIAC 3.5 3.5 3.4 3.3 3.1 2.9 2.7
LEONORE 4.6 4.6 4.4 4.2 3.8 3.6 3.3
:PECATONICA RIVER
SHIRLAND 6.5 6.3 6.0 5.5 4.9 4.6 4.5
:ROCK RIVER
ROCKTON 4.9 4.7 4.4 3.7 3.4 3.2 3.1
LATHAM PARK 5.3 5.2 5.0 4.4 4.2 4.0 3.9
ROCKFORD 3.1 3.0 3.0 2.7 2.6 2.5 2.5
:KISHWAUKEE RIVER
BELVIDERE 2.1 2.0 1.8 1.7 1.6 1.4 1.4
:SOUTH BRANCH KISHWAUKEE RIVER
DE KALB 3.3 3.2 3.1 3.1 3.0 2.8 2.8
:KISHWAUKEE RIVER
PERRYVILLE 6.6 6.4 6.2 6.1 5.9 5.8 5.7
:ROCK RIVER
BYRON 7.3 7.0 6.7 6.1 5.7 5.5 5.4
DIXON 9.5 9.2 9.1 8.6 8.2 8.0 8.0
:NORTH BRANCH CHICAGO RIVER
CHICAGO ALBANY AV 1.6 1.5 1.4 1.3 1.1 1.0 1.0
:ILLINOIS RIVER
MORRIS 5.5 5.4 5.2 5.1 4.9 4.6 4.6
OTTAWA 458.7 458.7 458.6 458.6 458.5 458.5 458.5
LA SALLE 11.9 11.8 11.5 11.3 11.0 10.8 10.7
THE NATIONAL WEATHER SERVICE CHICAGO OFFICE IN ROMEOVILLE ISSUES LONG
RANGE AHPS OUTLOOKS FOR ALL RIVER FORECAST LOCATIONS. THIS PRODUCT IS
UPDATED MONTHLY AROUND MID-MONTH. THESE OUTLOOKS ARE ISSUED IN
ADDITION TO THE 5 DAY RIVER FORECASTS THAT ARE ISSUED WHEN RIVER
FORECAST LOCATIONS ARE IN FLOOD OR FORECAST TO RISE ABOVE FLOOD
STAGE.
THIS LONG-RANGE PROBABILISTIC OUTLOOK CONTAINS FORECAST VALUES THAT
ARE CALCULATED USING MULTIPLE SEASON SCENARIOS FROM 30 OR MORE YEARS
OF CLIMATOLOGICAL DATA INCLUDING CURRENT CONDITIONS OF THE RIVER...
SOIL MOISTURE...AND 30 TO 90 DAY LONG-RANGE OUTLOOKS OF TEMPERATURE
AND PRECIPITATION.
BY PROVIDING THE COMPLETE RANGE OF PROBABILISTIC NUMBERS...THE LEVEL
OF RISK ASSOCIATED WITH LONG-RANGE PLANNING DECISIONS CAN BE
DETERMINED. THESE PROBABILISTIC FORECASTS ARE PART OF THE NATIONAL
WEATHER SERVICE ADVANCED HYDROLOGIC PREDICTION SERVICE.
VISIT OUR WEB PAGE AT WEATHER.GOV/CHICAGO FOR MORE WEATHER AND RIVER
INFORMATION INCLUDING GRAPHS OF PROBABILISTIC RIVER OUTLOOKS.
...FLOOD TERMINOLOGY...
MINOR FLOODING IS USED TO INDICATE MINIMAL OR NO PROPERTY
DAMAGE. HOWEVER SOME PUBLIC INCONVENIENCE IS POSSIBLE.
MODERATE FLOODING IS USED TO INDICATE THE INUNDATION OF SECONDARY
ROADS. TRANSFER TO HIGHER ELEVATIONS MAY BE NECESSARY TO SAVE
PROPERTY. SOME EVACUATIONS MAY BE REQUIRED.
MAJOR FLOODING IS USED TO INDICATE EXTENSIVE INUNDATION AND PROPERTY
DAMAGE USUALLY CHARACTERIZED BY EVACUATION OF PEOPLE AND LIVESTOCK
AND CLOSURE OF BOTH PRIMARY AND SECONDARY ROADS.
VISIT OUR WEB PAGE AT WEATHER.GOV/CHICAGO FOR MORE WEATHER AND RIVER
INFORMATION INCLUDING GRAPHS OF PROBABILISTIC RIVER OUTLOOKS.
THIS IS THE LAST SCHEDULED SPRING FLOOD OUTLOOK FOR 2013.
NATIONAL FLOOD AWARENESS WEEK WILL BE MARCH 18 TO MARCH 22 2013. FOR
MORE INFORMATION GO TO WWW.FLOODSAFETY.NOAA.GOV
THIS OUTLOOK IS FOR STREAMS WITHIN THE NWS CHICAGO HYDROLOGIC
SERVICE AREA...WHICH INCLUDES ILLINOIS RIVER TRIBUTARIES IN
NORTHEAST ILLINOIS AND NORTHWEST INDIANA. IT INCLUDES THE ILLINOIS
RIVER DOWN TO LA SALLE. IT ALSO INCLUDES STREAMS WITHIN THE ROCK
RIVER BASIN IN NORTH CENTRAL ILLINOIS AND THE ROCK RIVER FROM
ROCKTON DOWN TO DIXON ILLINOIS. THIS OUTLOOK IS FOR THE TIME PERIOD
FROM LATE MARCH THROUGH EARLY JUNE.
...OUTLOOK SUMMARY...
THE POTENTIAL FOR FLOODING HAS INCREASED SLIGHTLY SINCE THE LAST
OUTLOOK ON FEB 21...AS A RESULT OF ABOVE NORMAL SNOWFALL ACROSS THE
AREA FROM RECENT WINTER STORMS. THE RISK OF FLOODING THIS SPRING IS
NEAR NORMAL ACROSS NORTHERN ILLINOIS AND NORTHWEST INDIANA. ONE OF
THE KEY FACTORS IN ANY FLOODING IN THE COMING WEEKS WILL BE THE RATE
OF MELT OF THE EXISTING SNOWPACK AND THE AMOUNT OF ANY ADDITIONAL
PRECIPITATION DURING THE MELT PERIOD. ANOTHER FACTOR IS THE FROZEN
GROUND BENEATH THE SNOWPACK. THE RATE OF FROST MELT BENEATH THE
SNOWPACK WILL DETERMINE THE AMOUNT OF INFILTRATION AND SOIL MOISTURE
RECHARGE OR RUNOFF THAT WILL OCCUR.
THIS SPRING OUTLOOK IS BASED ON HYDROLOGIC CONDITIONS INCLUDING THE
CURRENT SOIL MOISTURE...SNOWPACK...AND STREAMFLOW CONDITIONS AT THE
TIME OF ISSUANCE. IT SHOULD BE NOTED THAT HYDROLOGIC CONDITIONS CAN
CHANGE RAPIDLY DURING LATE WINTER AND EARLY SPRING. THESE OUTLOOKS
ARE ISSUED EACH LATE WINTER AND EARLY SPRING IN ADDITION TO THE 7
DAY RIVER FORECASTS THAT ARE ISSUED WHEN RIVER FORECAST LOCATIONS
ARE IN FLOOD OR ARE FORECAST TO RISE ABOVE FLOOD STAGE.
...CURRENT SNOW COVER AND LIQUID WATER EQUIVALENT...
WINTER STORMS SINCE THE LAST OUTLOOK ON FEB 21 HAVE DEPOSITED
SIGNIFICANT AMOUNTS OF SNOW OVER NORTHERN ILLINOIS AND PORTIONS OF
NORTHWEST INDIANA. THE MOST RECENT WINTER STORM ON MARCH 5 DEPOSITED
AN ADDITIONAL 6 TO 10 INCHES. CURRENT SNOW DEPTHS AS REPORTED BY NWS
COOPERATIVE OBSERVER AND COCORAHS REPORTS WERE GENERALLY
BETWEEN 3 AND 6 INCHES IN AREAS SOUTH OF I-80 AND BETWEEN 6 AND 12
INCHES IN AREAS NORTH OF I-80. THE DEEPEST SNOWPACK EXISTS IN
NORTHERN ILLINOIS COUNTIES BORDERING WISCONSIN. WATER EQUIVALENTS OF
THE EXISTING SNOWPACK WERE BETWEEN 1 AND 2.5 INCHES.
...PAST PRECIPITATION AND SOIL CONDITIONS...
SEVERE TO EXTREME DROUGHT CONDITIONS PLAGUED NORTHERN ILLINOIS
DURING THE SUMMER OF 2012 AND PERSISTED INTO FALL. AS OF MARCH 7
...MODERATE DROUGHT CONDITIONS CONTINUED OVER A LARGE AREA OF
NORTH CENTRAL ILLINOIS. SOME RIVER LOCATIONS RECORDED NEAR RECORD
LOW STREAMFLOWS THIS PAST SUMMER. PRECIPITATION DURING THE FALL WAS
50 TO 75 PERCENT OF MEAN ACROSS NORTHERN ILLINOIS AND NORTHWEST
INDIANA. PRECIPITATION FOR THE DECEMBER THROUGH JANUARY TIME FRAME
RANGED FROM NEAR NORMAL TO SLIGHTLY ABOVE NORMAL WITH THE MAJORITY
OF PRECIPITATION FALLING AS RAIN. SNOWFALL DURING THAT TIME WAS WELL
BELOW NORMAL. THE PATTERN CHANGED SIGNIFICANTLY SINCE FEBRUARY.
FEBRUARY PRECIPITATION APPROACHED 200 PERCENT OF NORMAL OVER FAR
NORTHERN ILLINOIS AND SNOWFALL RANGED FROM 7 TO 14 INCHES ABOVE
NORMAL. MARCH SNOWFALL IS WELL ABOVE NORMAL AS WELL.
SOIL MOISTURE WAS WELL BELOW NORMAL DURING THE SUMMER AND EXTENDING
INTO THE FALL. SOME AREAS SOUTH OF I-80 HAVE EXPERIENCED A SLIGHT
RECHARGE IN SOIL MOISTURE IN THE UPPER SOIL PROFILE DURING JANUARY
AND FEBRUARY. HOWEVER...IN MANY LOCATIONS...RAIN HAS FALLEN OVER
FROZEN GROUND AND IT IS UNCLEAR HOW MUCH RAIN HAS INFILTRATED INTO
THE SOIL PROFILE AND HOW MUCH SOIL MOISTURE RECHARGE HAS OCCURRED.
FROST DEPTHS ACROSS NORTHERN ILLINOIS AS OF MARCH 7 WERE BETWEEN 6
AND 10 INCHES. THE RATE OF FROST MELT BENEATH THE SNOWPACK WILL BE A
KEY FACTOR IN DETERMINING THE AMOUNT OF INFILTRATION AND SOIL
MOISTURE RECHARGE OR RUNOFF THAT OCCURS WITHIN THE COMING WEEKS.
...RIVER CONDITIONS...
STREAMFLOWS THIS PAST SUMMER FELL TO NEAR RECORD LOWS AS A RESULT OF
THE DROUGHT. RAINFALL DURING JANUARY AND FEBRUARY RESULTED IN
INCREASED STREAMFLOW ON AREA RIVERS. MANY LOCATIONS WERE
EXPERIENCING STEADY OR SLOWLY FALLING WATER LEVELS IN RECENT DAYS.
IN ADDITION...WATER LEVELS WERE WELL BELOW FLOOD STAGE AT MOST RIVER
FORECAST LOCATIONS.
NWS CHICAGO RIVER ICE SPOTTERS REPORTED THAT MOST ICE WAS OUT ON THE
KANKAKEE RIVER. SOME REMAINING ICE WAS REPORTED ON THE UPPER REACHES
OF THE FOX RIVER AND PORTIONS OF THE ROCK RIVER. ALTHOUGH THE THREAT
HAS DIMINISHED SINCE THE LAST OUTLOOK...ICE JAMS REMAIN A
POSSIBILITY AS FLOWS INCREASE AND ANY REMAINING ICE BEGINS TO BREAK
UP AND MOVE DOWNSTREAM.
...WEATHER OUTLOOKS...
THE SIX TO 10 DAY OUTLOOK VALID MARCH 12 TO 16 INDICATES
HIGHER CHANCES FOR BELOW NORMAL TEMPERATURES...AND EQUAL CHANCES FOR
ABOVE OR BELOW NORMAL PRECIPITATION. THE LONG RANGE OUTLOOK THROUGH
MAY INDICATES ABOVE NORMAL TEMPERATURES AND ABOVE NORMAL
PRECIPITATION.
IN TABLE 1 BELOW...THE CURRENT (CS) AND HISTORICAL (HS) OR NORMAL
PROBABILITIES OF EXCEEDING MINOR...MODERATE...AND MAJOR FLOOD STAGES
ARE LISTED FOR THE VALID TIME PERIOD.
CS VALUES INDICATE THE PROBABILITY OF REACHING A FLOOD CATEGORY
BASED ON CURRENT CONDITIONS.
HS VALUES INDICATE THE PROBABILITY OF REACHING A FLOOD CATEGORY
BASED ON HISTORICAL OR NORMAL CONDITIONS.
WHEN THE VALUE OF CS IS MORE THAN HS...THE PROBABILITY OF
EXCEEDING THAT LEVEL IS HIGHER THAN NORMAL. WHEN THE VALUE OF CS IS
LESS THAN HS...THE PROBABILITY OF EXCEEDING THAT LEVEL IS LOWER
THAN NORMAL.
...TABLE 1--PROBABILITIES FOR MINOR...MODERATE AND MAJOR FLOODING...
VALID PERIOD: 3/11/2013 - 6/9/2013
: CURRENT AND HISTORICAL
: CHANCES OF EXCEEDING
: FLOOD CATEGORIES
: AS A PERCENTAGE (%)
CATEGORICAL :
FLOOD STAGES (FT) : MINOR MODERATE MAJOR
LOCATION MINOR MOD MAJOR : CS HS CS HS CS HS
-------- ----- ----- ----- : --- --- --- --- --- ---
:HART DITCH
DYER 12.0 13.0 14.0 : <5 <5 <5 <5 <5 <5
:THORN CREEK
THORNTON 10.0 15.0 16.0 : 19 24 <5 <5 <5 <5
:LITTLE CALUMET RIVER
MUNSTER 12.0 14.0 17.0 : 37 42 16 18 <5 <5
SOUTH HOLLAND 16.5 18.0 20.0 : <5 <5 <5 <5 <5 <5
:KANKAKEE RIVER
DUNNS BRIDGE 10.0 12.0 13.0 : <5 27 <5 <5 <5 <5
KOUTS 11.0 13.0 14.0 : <5 27 <5 <5 <5 <5
SHELBY 9.0 11.0 12.5 : 70 80 9 36 <5 9
MOMENCE 5.0 6.5 9.0 : 18 27 9 11 <5 <5
:IROQUOIS RIVER
RENSSELAER 12.0 14.0 15.0 : 29 34 6 6 <5 6
FORESMAN 18.0 22.0 24.0 : 24 19 <5 <5 <5 <5
IROQUOIS 18.0 24.0 25.0 : 60 57 <5 6 <5 <5
:SUGAR CREEK
MILFORD 18.0 22.0 26.0 : 75 68 14 14 <5 <5
:IROQUOIS RIVER
CHEBANSE 16.0 18.0 20.0 : 13 14 <5 6 <5 <5
:KANKAKEE RIVER
WILMINGTON 6.5 8.0 10.0 : 16 16 <5 6 <5 <5
:DES PLAINES RIVER
RUSSELL 7.0 9.0 10.0 : 86 62 <5 <5 <5 <5
GURNEE 7.0 9.0 11.0 : 50 27 6 6 <5 <5
LINCOLNSHIRE 12.5 14.0 15.5 : 26 16 6 6 <5 <5
DES PLAINES 5.0 8.0 9.0 : 26 18 <5 <5 <5 <5
RIVERSIDE 7.0 8.0 9.0 : 27 19 <5 6 <5 <5
LEMONT 10.0 11.0 12.0 : 54 39 21 13 <5 <5
:W BR DU PAGE RIVER
WARRENVILLE 11.5 14.5 17.5 : 14 16 <5 <5 <5 <5
:EAST BRANCH DU PAGE RIVER
BOLINGBROOK 19.5 21.0 23.0 : 41 41 8 8 <5 <5
:DU PAGE RIVER
SHOREWOOD 6.5 8.0 10.0 : 11 14 <5 <5 <5 <5
:MAZON RIVER
COAL CITY 12.0 14.0 17.0 : 11 16 <5 <5 <5 <5
:FOX RIVER
ALGONQUIN TAILWAT 9.5 10.5 12.0 : 77 57 44 34 18 14
MONTGOMERY 13.0 14.0 15.0 : 57 44 11 9 <5 <5
DAYTON 12.0 14.0 24.0 : 44 44 11 13 <5 <5
:VERMILION RIVER
PONTIAC 14.0 15.0 18.0 : 14 18 8 11 <5 <5
LEONORE 16.0 21.0 26.0 : 37 39 6 11 <5 <5
:PECATONICA RIVER
SHIRLAND 12.0 14.0 15.5 : 50 34 8 13 <5 <5
:ROCK RIVER
ROCKTON 10.0 11.0 14.0 : 62 27 37 19 6 <5
LATHAM PARK 10.0 11.0 14.0 : 50 24 34 14 <5 <5
ROCKFORD 9.0 10.0 11.0 : <5 <5 <5 <5 <5 <5
:KISHWAUKEE RIVER
BELVIDERE 9.0 10.0 12.0 : 19 13 <5 8 <5 6
:SOUTH BRANCH KISHWAUKEE RIVER
DE KALB 10.0 11.0 12.5 : 8 6 <5 <5 <5 <5
:KISHWAUKEE RIVER
PERRYVILLE 12.0 18.0 22.0 : 72 32 <5 <5 <5 <5
:ROCK RIVER
BYRON 13.0 14.0 16.0 : 37 21 6 8 <5 <5
DIXON 16.0 18.0 20.0 : 18 14 <5 11 <5 <5
:NORTH BRANCH CHICAGO RIVER
CHICAGO ALBANY AV 7.0 7.5 8.0 : <5 <5 <5 <5 <5 <5
:ILLINOIS RIVER
MORRIS 16.0 18.0 22.0 : 37 39 14 19 <5 <5
OTTAWA 463.0 466.0 469.0 : 31 31 11 11 <5 <5
LA SALLE 20.0 27.0 31.0 : 75 67 11 13 <5 <5
LEGEND
CS = CONDITIONAL SIMULATION (CURRENT OUTLOOK)
HS = HISTORICAL SIMULATION
FT = FEET
IN TABLE 2 BELOW...THE 95 THROUGH 5 PERCENT COLUMNS INDICATE THE
PROBABILITY OF EXCEEDING THE LISTED STAGE LEVELS (FT) FOR THE VALID
TIME PERIOD.
...TABLE 2--EXCEEDANCE PROBABILITIES...
CHANCE OF EXCEEDING STAGES
AT SPECIFIC LOCATIONS
VALID PERIOD: 3/11/2013 - 6/9/2013
LOCATION 95% 90% 75% 50% 25% 10% 5%
-------- ------ ------ ------ ------ ------ ------ ------
:HART DITCH
DYER 3.8 3.9 4.7 5.6 6.7 7.7 8.2
:THORN CREEK
THORNTON 5.3 5.5 6.5 7.8 9.4 11.1 11.7
:LITTLE CALUMET RIVER
MUNSTER 9.5 9.8 10.4 11.3 12.5 14.6 15.4
SOUTH HOLLAND 10.0 10.3 11.2 12.4 13.9 14.7 14.7
:KANKAKEE RIVER
DUNNS BRIDGE 6.6 6.8 7.5 8.2 9.0 9.7 10.0
KOUTS 7.8 8.1 8.8 9.4 10.2 10.8 11.2
SHELBY 8.0 8.3 8.9 9.9 10.5 11.2 13.8
MOMENCE 3.1 3.2 3.5 4.3 4.7 6.5 7.6
:IROQUOIS RIVER
RENSSELAER 8.9 9.2 9.9 11.3 12.3 13.6 17.1
FORESMAN 13.5 13.9 14.8 16.4 18.1 18.9 19.9
IROQUOIS 14.9 15.2 16.6 18.9 22.5 23.1 23.4
:SUGAR CREEK
MILFORD 14.3 15.2 18.0 19.0 20.9 23.1 24.4
:IROQUOIS RIVER
CHEBANSE 9.2 9.4 10.6 12.5 15.1 16.5 19.8
:KANKAKEE RIVER
WILMINGTON 3.7 3.9 4.4 5.3 5.8 6.8 8.1
:DES PLAINES RIVER
RUSSELL 6.6 6.7 7.2 7.5 7.8 8.1 9.0
GURNEE 5.2 5.6 6.1 7.1 7.7 8.6 9.5
LINCOLNSHIRE 9.6 10.0 10.6 11.7 12.6 13.8 14.8
DES PLAINES 1.9 2.2 2.7 3.9 5.3 7.4 7.5
RIVERSIDE 5.1 5.1 5.8 6.4 7.2 7.7 8.3
LEMONT 8.6 8.8 9.5 10.1 10.9 11.5 11.9
:W BR DU PAGE RIVER
WARRENVILLE 9.5 9.6 10.1 10.6 11.0 11.7 11.9
:EAST BRANCH DU PAGE RIVER
BOLINGBROOK 18.1 18.3 18.9 19.4 20.0 20.7 21.3
:DU PAGE RIVER
SHOREWOOD 3.9 4.1 4.8 5.3 6.0 6.8 7.1
:MAZON RIVER
COAL CITY 4.1 5.4 7.4 9.5 11.1 13.2 13.6
:FOX RIVER
ALGONQUIN TAILWAT 8.9 9.0 9.6 10.2 11.4 13.4 13.9
MONTGOMERY 12.5 12.6 12.8 13.1 13.5 14.1 14.1
DAYTON 8.9 9.2 10.2 11.9 12.7 14.7 15.6
:VERMILION RIVER
PONTIAC 6.5 6.8 7.5 9.9 12.7 14.8 17.8
LEONORE 10.7 10.9 11.8 14.3 17.7 20.5 22.4
:PECATONICA RIVER
SHIRLAND 9.9 10.3 10.7 12.1 13.2 14.0 14.5
:ROCK RIVER
ROCKTON 8.4 8.6 9.5 10.5 12.2 13.5 15.2
LATHAM PARK 8.3 8.4 9.1 10.1 11.5 12.8 14.2
ROCKFORD 3.7 3.7 3.9 4.4 5.3 6.3 7.7
:KISHWAUKEE RIVER
BELVIDERE 5.1 5.8 6.4 7.7 8.6 9.7 12.5
:SOUTH BRANCH KISHWAUKEE RIVER
DE KALB 4.9 5.5 6.1 7.0 8.6 9.7 10.4
:KISHWAUKEE RIVER
PERRYVILLE 10.1 10.8 11.6 12.8 13.8 14.6 17.8
:ROCK RIVER
BYRON 10.0 10.4 11.3 12.3 13.6 15.9 16.3
DIXON 11.7 12.0 12.8 13.9 15.7 16.9 17.7
:NORTH BRANCH CHICAGO RIVER
CHICAGO ALBANY AV 3.2 3.6 4.3 5.0 5.6 6.5 6.9
:ILLINOIS RIVER
MORRIS 9.4 9.9 11.7 14.7 17.1 20.2 21.4
OTTAWA 459.4 459.5 460.6 461.9 463.4 466.9 468.8
LA SALLE 17.0 18.6 20.3 23.4 25.0 27.9 29.7
IN TABLE 3 BELOW...THE 95 THROUGH 5 PERCENT COLUMNS INDICATE THE
PROBABILITY OF FALLING BELOW THE LISTED STAGE LEVELS (FT) FOR THE
VALID TIME PERIOD.
...TABLE 3--NONEXCEEDANCE PROBABILITIES...
CHANCE OF FALLING BELOW STAGES
AT SPECIFIC LOCATIONS
VALID PERIOD: 3/11/2013 - 6/9/2013
LOCATION 95% 90% 75% 50% 25% 10% 5%
-------- ------ ------ ------ ------ ------ ------ ------
:HART DITCH
DYER 2.0 1.9 1.9 1.8 1.7 1.7 1.7
:THORN CREEK
THORNTON 3.0 2.9 2.9 2.9 2.8 2.8 2.8
:LITTLE CALUMET RIVER
MUNSTER 5.4 5.4 5.3 5.2 5.1 5.0 5.0
SOUTH HOLLAND 5.5 5.4 5.3 5.2 5.1 5.0 5.0
:KANKAKEE RIVER
DUNNS BRIDGE 3.9 3.8 3.5 3.2 3.0 2.7 2.4
KOUTS 5.0 4.9 4.7 4.4 4.1 3.8 3.5
SHELBY 5.7 5.5 5.2 4.8 4.5 4.1 3.8
MOMENCE 2.0 1.9 1.8 1.7 1.5 1.4 1.3
:IROQUOIS RIVER
RENSSELAER 4.6 4.4 4.3 4.1 3.8 3.7 3.5
FORESMAN 7.5 7.1 6.8 6.3 5.8 5.7 5.2
IROQUOIS 7.0 6.5 6.2 5.7 5.3 5.1 4.6
:SUGAR CREEK
MILFORD 4.2 3.9 3.7 3.6 3.4 3.1 3.0
:IROQUOIS RIVER
CHEBANSE 4.3 4.2 3.9 3.6 3.4 3.2 2.8
:KANKAKEE RIVER
WILMINGTON 1.9 1.7 1.6 1.5 1.3 1.1 1.0
:DES PLAINES RIVER
RUSSELL 3.2 3.2 2.9 2.8 2.7 2.6 2.5
GURNEE 2.5 2.5 2.1 2.0 1.8 1.6 1.5
LINCOLNSHIRE 7.3 7.2 6.9 6.7 6.6 6.3 6.2
DES PLAINES 1.2 1.2 1.1 1.0 0.9 0.8 0.8
RIVERSIDE 2.6 2.5 2.4 2.2 2.0 1.9 1.9
LEMONT 6.1 6.0 5.7 5.5 5.2 5.0 5.0
:W BR DU PAGE RIVER
WARRENVILLE 7.8 7.8 7.7 7.6 7.6 7.5 7.4
:EAST BRANCH DU PAGE RIVER
BOLINGBROOK 15.1 15.0 14.9 14.8 14.7 14.7 14.7
:DU PAGE RIVER
SHOREWOOD 2.4 2.4 2.3 2.3 2.2 2.1 2.1
:MAZON RIVER
COAL CITY 2.1 2.0 1.8 1.4 1.1 0.5 0.5
:FOX RIVER
ALGONQUIN TAILWAT 6.4 6.1 5.5 5.2 4.9 4.6 4.5
MONTGOMERY 11.6 11.5 11.4 11.2 11.1 11.0 11.0
DAYTON 6.9 6.7 6.3 6.0 5.6 5.4 5.3
:VERMILION RIVER
PONTIAC 3.5 3.5 3.4 3.3 3.1 2.9 2.7
LEONORE 4.6 4.6 4.4 4.2 3.8 3.6 3.3
:PECATONICA RIVER
SHIRLAND 6.5 6.3 6.0 5.5 4.9 4.6 4.5
:ROCK RIVER
ROCKTON 4.9 4.7 4.4 3.7 3.4 3.2 3.1
LATHAM PARK 5.3 5.2 5.0 4.4 4.2 4.0 3.9
ROCKFORD 3.1 3.0 3.0 2.7 2.6 2.5 2.5
:KISHWAUKEE RIVER
BELVIDERE 2.1 2.0 1.8 1.7 1.6 1.4 1.4
:SOUTH BRANCH KISHWAUKEE RIVER
DE KALB 3.3 3.2 3.1 3.1 3.0 2.8 2.8
:KISHWAUKEE RIVER
PERRYVILLE 6.6 6.4 6.2 6.1 5.9 5.8 5.7
:ROCK RIVER
BYRON 7.3 7.0 6.7 6.1 5.7 5.5 5.4
DIXON 9.5 9.2 9.1 8.6 8.2 8.0 8.0
:NORTH BRANCH CHICAGO RIVER
CHICAGO ALBANY AV 1.6 1.5 1.4 1.3 1.1 1.0 1.0
:ILLINOIS RIVER
MORRIS 5.5 5.4 5.2 5.1 4.9 4.6 4.6
OTTAWA 458.7 458.7 458.6 458.6 458.5 458.5 458.5
LA SALLE 11.9 11.8 11.5 11.3 11.0 10.8 10.7
THE NATIONAL WEATHER SERVICE CHICAGO OFFICE IN ROMEOVILLE ISSUES LONG
RANGE AHPS OUTLOOKS FOR ALL RIVER FORECAST LOCATIONS. THIS PRODUCT IS
UPDATED MONTHLY AROUND MID-MONTH. THESE OUTLOOKS ARE ISSUED IN
ADDITION TO THE 5 DAY RIVER FORECASTS THAT ARE ISSUED WHEN RIVER
FORECAST LOCATIONS ARE IN FLOOD OR FORECAST TO RISE ABOVE FLOOD
STAGE.
THIS LONG-RANGE PROBABILISTIC OUTLOOK CONTAINS FORECAST VALUES THAT
ARE CALCULATED USING MULTIPLE SEASON SCENARIOS FROM 30 OR MORE YEARS
OF CLIMATOLOGICAL DATA INCLUDING CURRENT CONDITIONS OF THE RIVER...
SOIL MOISTURE...AND 30 TO 90 DAY LONG-RANGE OUTLOOKS OF TEMPERATURE
AND PRECIPITATION.
BY PROVIDING THE COMPLETE RANGE OF PROBABILISTIC NUMBERS...THE LEVEL
OF RISK ASSOCIATED WITH LONG-RANGE PLANNING DECISIONS CAN BE
DETERMINED. THESE PROBABILISTIC FORECASTS ARE PART OF THE NATIONAL
WEATHER SERVICE ADVANCED HYDROLOGIC PREDICTION SERVICE.
VISIT OUR WEB PAGE AT WEATHER.GOV/CHICAGO FOR MORE WEATHER AND RIVER
INFORMATION INCLUDING GRAPHS OF PROBABILISTIC RIVER OUTLOOKS.
...FLOOD TERMINOLOGY...
MINOR FLOODING IS USED TO INDICATE MINIMAL OR NO PROPERTY
DAMAGE. HOWEVER SOME PUBLIC INCONVENIENCE IS POSSIBLE.
MODERATE FLOODING IS USED TO INDICATE THE INUNDATION OF SECONDARY
ROADS. TRANSFER TO HIGHER ELEVATIONS MAY BE NECESSARY TO SAVE
PROPERTY. SOME EVACUATIONS MAY BE REQUIRED.
MAJOR FLOODING IS USED TO INDICATE EXTENSIVE INUNDATION AND PROPERTY
DAMAGE USUALLY CHARACTERIZED BY EVACUATION OF PEOPLE AND LIVESTOCK
AND CLOSURE OF BOTH PRIMARY AND SECONDARY ROADS.
VISIT OUR WEB PAGE AT WEATHER.GOV/CHICAGO FOR MORE WEATHER AND RIVER
INFORMATION INCLUDING GRAPHS OF PROBABILISTIC RIVER OUTLOOKS.
THIS IS THE LAST SCHEDULED SPRING FLOOD OUTLOOK FOR 2013.
NATIONAL FLOOD AWARENESS WEEK WILL BE MARCH 18 TO MARCH 22 2013. FOR
MORE INFORMATION GO TO WWW.FLOODSAFETY.NOAA.GOV
Radar Outage Notification 09:53:48.3527172
NOUS63 KLOT 071551
FTMLOT
Message Date: Mar 07 2013 15:51:40KLOT radar is going down for several hours.
FTMLOT
Message Date: Mar 07 2013 15:51:40KLOT radar is going down for several hours.
Wednesday, March 6, 2013
Test Message 11:00:52.3925548
THIS IS THE WEEKLY TEST OF THE WXWARN1 ALERT SYSTEM THIS IS ONLY A TEST
Tornado Warning 10:00:52.3569148
...THIS MESSAGE IS FOR TEST PURPOSES ONLY...
THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A
* THIS IS A TEST MESSAGE. TORNADO WARNING FOR...
ALL COUNTIES IN NORTH CENTRAL AND NORTHEAST ILLINOIS...
* UNTIL 1015 AM CST
* THIS IS A TEST MESSAGE. IF THIS WAS AN ACTUAL TORNADO WARNING YOU
WOULD BE GIVEN INFORMATION ABOUT THE LOCATION AND MOVEMENT OF THE
STORM.
* THIS IS A TEST MESSAGE.
THIS IS A TEST MESSAGE. THIS TEST TORNADO WARNING IS BEING ISSUED AS
PART OF ILLINOIS AND NATIONAL SEVERE WEATHER PREPAREDNESS WEEK. THIS
IS A COMMUNICATIONS EXERCISE TO ENSURE TORNADO WARNINGS CAN BE
PROPERLY DISSEMINATED AND RECEIVED AND TO TEST WARNING SYSTEMS. AT
THIS TIME PLEASE REVIEW YOUR TORNADO SHELTER PROCEDURES AT HOME...AT
YOUR PLACE OF BUSINESS...OR AT YOUR SCHOOL.
LAT...LON 4061 8846 4062 8858 4075 8859 4075 8894
4092 8894 4093 8905 4110 8905 4111 8917
4158 8917 4159 8964 4220 8970 4221 8940
4250 8940 4249 8779 4227 8782 4173 8753
4049 8753 4048 8793 4040 8793 4040 8846
TIME...MOT...LOC 1556Z 166DEG 2KT 4159 8827
THIS IS A TEST MESSAGE. OEMC ZONES 1...2...3...4...5...6...7...8...
9...10...11 AND 12.
THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A
* THIS IS A TEST MESSAGE. TORNADO WARNING FOR...
ALL COUNTIES IN NORTH CENTRAL AND NORTHEAST ILLINOIS...
* UNTIL 1015 AM CST
* THIS IS A TEST MESSAGE. IF THIS WAS AN ACTUAL TORNADO WARNING YOU
WOULD BE GIVEN INFORMATION ABOUT THE LOCATION AND MOVEMENT OF THE
STORM.
* THIS IS A TEST MESSAGE.
THIS IS A TEST MESSAGE. THIS TEST TORNADO WARNING IS BEING ISSUED AS
PART OF ILLINOIS AND NATIONAL SEVERE WEATHER PREPAREDNESS WEEK. THIS
IS A COMMUNICATIONS EXERCISE TO ENSURE TORNADO WARNINGS CAN BE
PROPERLY DISSEMINATED AND RECEIVED AND TO TEST WARNING SYSTEMS. AT
THIS TIME PLEASE REVIEW YOUR TORNADO SHELTER PROCEDURES AT HOME...AT
YOUR PLACE OF BUSINESS...OR AT YOUR SCHOOL.
LAT...LON 4061 8846 4062 8858 4075 8859 4075 8894
4092 8894 4093 8905 4110 8905 4111 8917
4158 8917 4159 8964 4220 8970 4221 8940
4250 8940 4249 8779 4227 8782 4173 8753
4049 8753 4048 8793 4040 8793 4040 8846
TIME...MOT...LOC 1556Z 166DEG 2KT 4159 8827
THIS IS A TEST MESSAGE. OEMC ZONES 1...2...3...4...5...6...7...8...
9...10...11 AND 12.
Tuesday, March 5, 2013
Winter Storm Warning 23:33:36.8396784
...WINTER STORM WARNING WILL EXPIRE AT MIDNIGHT CST TONIGHT...
THE WINTER STORM WARNING WILL BE ALLOWED TO EXPIRE AT MIDNIGHT.
ANY LINGERING LIGHT SNOW WILL END SHORTLY. SOME BLOWING AND
DRIFTING IS SNOW POSSIBLE IN OPEN AREAS.
THE WINTER STORM WARNING WILL BE ALLOWED TO EXPIRE AT MIDNIGHT.
ANY LINGERING LIGHT SNOW WILL END SHORTLY. SOME BLOWING AND
DRIFTING IS SNOW POSSIBLE IN OPEN AREAS.
Winter Storm Warning 22:10:23.7902477
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST
/1 AM EST/ TONIGHT...
* TIMING...PERIODS OF SNOW WILL TAPER OFF TO FLURRIES FROM NORTH
TO SOUTH INTO THE EARLY OVERNIGHT HOURS. SOME ADDITIONAL SNOW
SHOWERS WILL BE POSSIBLE NEAR LAKE MICHIGAN OVERNIGHT INTO EARLY
WEDNESDAY MORNING.
* SNOW ACCUMULATION...AN ADDITIONAL INCH OF SNOW ACCUMULATION WILL
BE POSSIBLE BEFORE THE SNOW ENDS WITH STORM TOTAL SNOWFALL
AMOUNTS RANGING FROM 7 TO 12 INCHES.
* MAIN IMPACTS...SNOWFALL RATES UP TO 1 INCH PER HOUR ARE STILL
POSSIBLE THROUGH MIDNIGHT. NORTHERLY WINDS 15 TO 25 MPH WITH
SOME HIGHER GUSTS MAY PRODUCE SOME BLOWING OR DRIFTING SNOW. THE
WINDS WILL SLOWLY DIMINISH OVERNIGHT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST
THAT WILL MAKE TRAVEL DANGEROUS. CONSIDER ONLY TRAVELING IF IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...
FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.
&&
/1 AM EST/ TONIGHT...
* TIMING...PERIODS OF SNOW WILL TAPER OFF TO FLURRIES FROM NORTH
TO SOUTH INTO THE EARLY OVERNIGHT HOURS. SOME ADDITIONAL SNOW
SHOWERS WILL BE POSSIBLE NEAR LAKE MICHIGAN OVERNIGHT INTO EARLY
WEDNESDAY MORNING.
* SNOW ACCUMULATION...AN ADDITIONAL INCH OF SNOW ACCUMULATION WILL
BE POSSIBLE BEFORE THE SNOW ENDS WITH STORM TOTAL SNOWFALL
AMOUNTS RANGING FROM 7 TO 12 INCHES.
* MAIN IMPACTS...SNOWFALL RATES UP TO 1 INCH PER HOUR ARE STILL
POSSIBLE THROUGH MIDNIGHT. NORTHERLY WINDS 15 TO 25 MPH WITH
SOME HIGHER GUSTS MAY PRODUCE SOME BLOWING OR DRIFTING SNOW. THE
WINDS WILL SLOWLY DIMINISH OVERNIGHT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST
THAT WILL MAKE TRAVEL DANGEROUS. CONSIDER ONLY TRAVELING IF IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...
FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.
&&
Winter Storm Warning 15:53:51.5665869
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST
/1 AM EST/ TONIGHT...
* TIMING...PERIODS OF SNOW WILL CONTINUE THROUGH MID TO LATE THIS
EVENING BEFORE TAPERING OFF AROUND MIDNIGHT TONIGHT.
* SNOW ACCUMULATION...7 TO 10 INCHES WITH LOCALIZED AMOUNTS UP TO
12 INCHES POSSIBLE.
* MAIN IMPACTS...ACCUMULATING SNOW WILL CONTINUE THROUGH THIS
EVENING. SNOW WILL CONTINUE TO FALL...MODERATE TO HEAVY AT
TIMES...WITH SNOWFALL RATES UP TO ONE INCH PER HOUR POSSIBLE
THROUGH EARLY EVENING. WINDS WILL INCREASE TO 15 TO 25 MPH WITH
HIGHER GUSTS THIS EVENING...WHICH COULD RESULT IN BLOWING AND
DRIFTING SNOW IN OPEN AREAS. PLAN ACCORDINGLY FOR POOR TRAVEL
CONDITIONS.
* OTHER IMPACTS...TRAVEL THROUGH O'HARE AND MIDWAY AIRPORTS WILL
LIKELY BE SIGNIFICANTLY AFFECTED BY THIS STORM THROUGH TONIGHT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST
THAT WILL MAKE TRAVEL DANGEROUS. CONSIDER ONLY TRAVELING IF IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...
FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.
&&
/1 AM EST/ TONIGHT...
* TIMING...PERIODS OF SNOW WILL CONTINUE THROUGH MID TO LATE THIS
EVENING BEFORE TAPERING OFF AROUND MIDNIGHT TONIGHT.
* SNOW ACCUMULATION...7 TO 10 INCHES WITH LOCALIZED AMOUNTS UP TO
12 INCHES POSSIBLE.
* MAIN IMPACTS...ACCUMULATING SNOW WILL CONTINUE THROUGH THIS
EVENING. SNOW WILL CONTINUE TO FALL...MODERATE TO HEAVY AT
TIMES...WITH SNOWFALL RATES UP TO ONE INCH PER HOUR POSSIBLE
THROUGH EARLY EVENING. WINDS WILL INCREASE TO 15 TO 25 MPH WITH
HIGHER GUSTS THIS EVENING...WHICH COULD RESULT IN BLOWING AND
DRIFTING SNOW IN OPEN AREAS. PLAN ACCORDINGLY FOR POOR TRAVEL
CONDITIONS.
* OTHER IMPACTS...TRAVEL THROUGH O'HARE AND MIDWAY AIRPORTS WILL
LIKELY BE SIGNIFICANTLY AFFECTED BY THIS STORM THROUGH TONIGHT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST
THAT WILL MAKE TRAVEL DANGEROUS. CONSIDER ONLY TRAVELING IF IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...
FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.
&&
Mesoscale Discussion 13:37:27.4855653
AREAS AFFECTED...NERN IL THROUGH NRN IND
CONCERNING...HEAVY SNOW
VALID 051936Z - 052330Z
SUMMARY...AREAS OF MODERATE TO LOCALLY HEAVY SNOW WILL PERSIST
ACROSS NERN IL THE REMAINDER OF THE AFTERNOON...WITH HEAVIER SNOWS
GRADUALLY DEVELOPING EWD THROUGH NCTNRL AND NRN IND LATER THIS
AFTERNOON INTO THE EVENING. SNOWFALL RATES COULD LOCALLY EXCEED 1
INCH PER HOUR AT TIMES.
DISCUSSION...INVERTED SFC TROUGH AXIS PERSISTS FROM NRN IL SEWD
THROUGH CNTRL IND. SFC LOW OVER KY SHOULD DEEPEN AS IT MOVES NEWD
THROUGH THE OH VALLEY WITHIN ZONE OF UPPER DIVERGENCE ASSOCIATED
WITH EJECTING NEGATIVE TILT SHORTWAVE TROUGH. AS SFC LOW DEVELOPS
EWD...AXIS OF DEFORMATION WILL SLOWLY PIVOT COUNTERCLOCKWISE AND
BECOME MORE E-W ORIENTED ACROSS NRN PORTIONS OF THE OH VALLEY. THE
CORRIDOR OF DIVERGENCE ALOFT WILL CONTINUE TO INTERACT WITH
DEFORMATION AXIS RESULTING IN EWD EXPANSION OF ZONE OF FRONTOGENETIC
FORCING AND DEEPER ASCENT THROUGH CNTRL AND NRN IND THIS AFTERNOON
INTO THE EARLY EVENING. THIS PROCESS WILL LIKELY RESULT IN
OCCASIONAL HEAVY SNOWFALL RATES PERSISTING FROM NERN IL THIS
AFTERNOON...EXPANDING THROUGH NCNTRL AND NRN IND THIS AFTERNOON INTO
THE EARLY EVENING.
..DIAL.. 03/05/2013
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...IWX...IND...LOT...
LAT...LON 42368795 41628736 41878571 41228484 40178497 39648617
40988799 42298864 42368795
CONCERNING...HEAVY SNOW
VALID 051936Z - 052330Z
SUMMARY...AREAS OF MODERATE TO LOCALLY HEAVY SNOW WILL PERSIST
ACROSS NERN IL THE REMAINDER OF THE AFTERNOON...WITH HEAVIER SNOWS
GRADUALLY DEVELOPING EWD THROUGH NCTNRL AND NRN IND LATER THIS
AFTERNOON INTO THE EVENING. SNOWFALL RATES COULD LOCALLY EXCEED 1
INCH PER HOUR AT TIMES.
DISCUSSION...INVERTED SFC TROUGH AXIS PERSISTS FROM NRN IL SEWD
THROUGH CNTRL IND. SFC LOW OVER KY SHOULD DEEPEN AS IT MOVES NEWD
THROUGH THE OH VALLEY WITHIN ZONE OF UPPER DIVERGENCE ASSOCIATED
WITH EJECTING NEGATIVE TILT SHORTWAVE TROUGH. AS SFC LOW DEVELOPS
EWD...AXIS OF DEFORMATION WILL SLOWLY PIVOT COUNTERCLOCKWISE AND
BECOME MORE E-W ORIENTED ACROSS NRN PORTIONS OF THE OH VALLEY. THE
CORRIDOR OF DIVERGENCE ALOFT WILL CONTINUE TO INTERACT WITH
DEFORMATION AXIS RESULTING IN EWD EXPANSION OF ZONE OF FRONTOGENETIC
FORCING AND DEEPER ASCENT THROUGH CNTRL AND NRN IND THIS AFTERNOON
INTO THE EARLY EVENING. THIS PROCESS WILL LIKELY RESULT IN
OCCASIONAL HEAVY SNOWFALL RATES PERSISTING FROM NERN IL THIS
AFTERNOON...EXPANDING THROUGH NCNTRL AND NRN IND THIS AFTERNOON INTO
THE EARLY EVENING.
..DIAL.. 03/05/2013
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...IWX...IND...LOT...
LAT...LON 42368795 41628736 41878571 41228484 40178497 39648617
40988799 42298864 42368795
Winter Storm Warning 10:19:42.3681017
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST
/1 AM EST/ TONIGHT...
* TIMING...SNOW WILL INCREASE IN INTENSITY THROUGHOUT THE
REMAINDER OF THIS MORNING INTO THE AFTERNOON HOURS. THEN SNOW
WILL CONTINUE THROUGH EARLY THIS EVENING BEFORE TAPERING OFF
AROUND MIDNIGHT TONIGHT.
* SNOW ACCUMULATION...7 TO 10 INCHES WITH LOCALIZED AMOUNTS UP TO
12 INCHES POSSIBLE.
* MAIN IMPACTS...ACCUMULATING SNOW WILL CONTINUE THROUGH THIS
EVENING. SNOW COULD FALL RATHER HEAVILY AT TIMES WITH SNOW FALL
RATES OF 1 TO 2 INCHES PER HOUR POSSIBLE THIS AFTERNOON. WINDS WILL
INCREASE TO 15 TO 25 MPH AND GUSTY BY THIS EVENING WHICH COULD
RESULT IN SOME BLOWING AND DRIFTING SNOW IN OPEN AREAS. SNOW IS
EXPECTED TO BE FALLING AT A GOOD CLIP DURING THIS AFTERNOONS
RUSH HOUR...SO PLAN ACCORDINGLY FOR POOR TRAVEL CONDITIONS.
* OTHER IMPACTS...TRAVEL THROUGH O'HARE AND MIDWAY AIRPORTS WILL
LIKELY BE SIGNIFICANTLY AFFECTED BY THIS STORM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST
THAT WILL MAKE TRAVEL DANGEROUS. CONSIDER ONLY TRAVELING IF IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...
FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.
&&
/1 AM EST/ TONIGHT...
* TIMING...SNOW WILL INCREASE IN INTENSITY THROUGHOUT THE
REMAINDER OF THIS MORNING INTO THE AFTERNOON HOURS. THEN SNOW
WILL CONTINUE THROUGH EARLY THIS EVENING BEFORE TAPERING OFF
AROUND MIDNIGHT TONIGHT.
* SNOW ACCUMULATION...7 TO 10 INCHES WITH LOCALIZED AMOUNTS UP TO
12 INCHES POSSIBLE.
* MAIN IMPACTS...ACCUMULATING SNOW WILL CONTINUE THROUGH THIS
EVENING. SNOW COULD FALL RATHER HEAVILY AT TIMES WITH SNOW FALL
RATES OF 1 TO 2 INCHES PER HOUR POSSIBLE THIS AFTERNOON. WINDS WILL
INCREASE TO 15 TO 25 MPH AND GUSTY BY THIS EVENING WHICH COULD
RESULT IN SOME BLOWING AND DRIFTING SNOW IN OPEN AREAS. SNOW IS
EXPECTED TO BE FALLING AT A GOOD CLIP DURING THIS AFTERNOONS
RUSH HOUR...SO PLAN ACCORDINGLY FOR POOR TRAVEL CONDITIONS.
* OTHER IMPACTS...TRAVEL THROUGH O'HARE AND MIDWAY AIRPORTS WILL
LIKELY BE SIGNIFICANTLY AFFECTED BY THIS STORM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST
THAT WILL MAKE TRAVEL DANGEROUS. CONSIDER ONLY TRAVELING IF IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...
FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.
&&
Winter Storm Warning 02:48:19.999800.1
...WINTER STORM WARNING NOW IN EFFECT FROM 9 AM CST /10 AM EST/
THIS MORNING TO MIDNIGHT CST /1 AM EST/ TONIGHT...
* TIMING...SNOW WILL INCREASE IN COVERAGE AND INTENSITY DURING THE
MID TO LATE MORNING...CONTINUING THROUGH THE AFTERNOON BEFORE
TAPERING OFF THIS EVENING.
* SNOW ACCUMULATION...4 TO 8 INCHES WITH LOCALIZED AMOUNTS UP TO
10 INCHES POSSIBLE.
* MAIN IMPACTS...ACCUMULATING SNOW SHOULD BEGIN BY MIDDAY AND
LINGER INTO THIS EVENING. SNOW COULD FALL RATHER HEAVILY AT
TIMES WITH SNOW FALL RATES AROUND AN INCH PER HOUR POSSIBLE THIS
AFTERNOON. WINDS WILL INCREASE TO 15 TO 25 MPH AND GUSTY BY THIS
EVENING WHICH COULD RESULT IN SOME BLOWING AND DRIFTING SNOW IN
OPEN AREAS. SNOW IS EXPECTED TO BE FALLING AT A GOOD CLIP
DURING THIS AFTERNOONS RUSH HOUR...SO PLAN ACCORDINGLY FOR POOR
TRAVEL CONDITIONS.
* OTHER IMPACTS...TRAVEL THROUGH O'HARE AND MIDWAY AIRPORTS WILL
LIKELY BE SIGNIFICANTLY AFFECTED BY THIS STORM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST
THAT WILL MAKE TRAVEL DANGEROUS. CONSIDER ONLY TRAVELING IF IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...
FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.
&&
THIS MORNING TO MIDNIGHT CST /1 AM EST/ TONIGHT...
* TIMING...SNOW WILL INCREASE IN COVERAGE AND INTENSITY DURING THE
MID TO LATE MORNING...CONTINUING THROUGH THE AFTERNOON BEFORE
TAPERING OFF THIS EVENING.
* SNOW ACCUMULATION...4 TO 8 INCHES WITH LOCALIZED AMOUNTS UP TO
10 INCHES POSSIBLE.
* MAIN IMPACTS...ACCUMULATING SNOW SHOULD BEGIN BY MIDDAY AND
LINGER INTO THIS EVENING. SNOW COULD FALL RATHER HEAVILY AT
TIMES WITH SNOW FALL RATES AROUND AN INCH PER HOUR POSSIBLE THIS
AFTERNOON. WINDS WILL INCREASE TO 15 TO 25 MPH AND GUSTY BY THIS
EVENING WHICH COULD RESULT IN SOME BLOWING AND DRIFTING SNOW IN
OPEN AREAS. SNOW IS EXPECTED TO BE FALLING AT A GOOD CLIP
DURING THIS AFTERNOONS RUSH HOUR...SO PLAN ACCORDINGLY FOR POOR
TRAVEL CONDITIONS.
* OTHER IMPACTS...TRAVEL THROUGH O'HARE AND MIDWAY AIRPORTS WILL
LIKELY BE SIGNIFICANTLY AFFECTED BY THIS STORM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST
THAT WILL MAKE TRAVEL DANGEROUS. CONSIDER ONLY TRAVELING IF IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...
FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.
&&
Monday, March 4, 2013
Winter Storm Warning 20:09:57.7187102
...WINTER STORM WARNING REMAINS IN EFFECT FROM 3 AM TUESDAY TO
MIDNIGHT CST TUESDAY NIGHT...
* TIMING...LIGHT SNOW WILL DEVELOP LATE TONIGHT...AND WILL BECOME
MORE WIDESPREAD THROUGH MID MORNING. HEAVY SNOW WILL BE
POSSIBLE FROM LATE TUESDAY MORNING THROUGH EARLY TUESDAY
EVENING.
* SNOW ACCUMULATION...7 TO 10 INCHES WITH LOCALLY HIGHER AMOUNTS
POSSIBLE.
* MAIN IMPACTS...SNOW WILL FALL HEAVILY AT TIMES FROM LATE
TUESDAY MORNING THROUGH EARLY TUESDAY EVENING. SNOWFALL RATES
OF 1 TO 2 INCHES PER HOUR ARE POSSIBLE AT TIMES...MAKING SNOW
REMOVAL DIFFICULT AND TRAVEL EXTREMELY DANGEROUS. THE
COMBINATION OF HEAVY SNOW AND NORTHEASTERLY WINDS GUSTING TO
25 TO 30 MPH AT TIMES LATER TUESDAY INTO TUESDAY NIGHT WILL
ALSO CAUSE BLOWING AND DRIFTING SNOW IN OPEN AREAS. THIS WILL
IMPACT BOTH THE MORNING AND EVENING RUSH HOURS ON TUESDAY...
WITH A GREATER POTENTIAL FOR HEAVY SNOWFALL DURING THE LATE
AFTERNOON AND EARLY EVENING RUSH HOUR.
* OTHER IMPACTS...TRAVEL THROUGH OHARE AND MIDWAY AIRPORTS WILL
LIKELY BE SIGNIFICANTLY AFFECTED BY THIS STORM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST
THAT WILL MAKE TRAVEL DANGEROUS. CONSIDER ONLY TRAVELING IF IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...
FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.
&&
MIDNIGHT CST TUESDAY NIGHT...
* TIMING...LIGHT SNOW WILL DEVELOP LATE TONIGHT...AND WILL BECOME
MORE WIDESPREAD THROUGH MID MORNING. HEAVY SNOW WILL BE
POSSIBLE FROM LATE TUESDAY MORNING THROUGH EARLY TUESDAY
EVENING.
* SNOW ACCUMULATION...7 TO 10 INCHES WITH LOCALLY HIGHER AMOUNTS
POSSIBLE.
* MAIN IMPACTS...SNOW WILL FALL HEAVILY AT TIMES FROM LATE
TUESDAY MORNING THROUGH EARLY TUESDAY EVENING. SNOWFALL RATES
OF 1 TO 2 INCHES PER HOUR ARE POSSIBLE AT TIMES...MAKING SNOW
REMOVAL DIFFICULT AND TRAVEL EXTREMELY DANGEROUS. THE
COMBINATION OF HEAVY SNOW AND NORTHEASTERLY WINDS GUSTING TO
25 TO 30 MPH AT TIMES LATER TUESDAY INTO TUESDAY NIGHT WILL
ALSO CAUSE BLOWING AND DRIFTING SNOW IN OPEN AREAS. THIS WILL
IMPACT BOTH THE MORNING AND EVENING RUSH HOURS ON TUESDAY...
WITH A GREATER POTENTIAL FOR HEAVY SNOWFALL DURING THE LATE
AFTERNOON AND EARLY EVENING RUSH HOUR.
* OTHER IMPACTS...TRAVEL THROUGH OHARE AND MIDWAY AIRPORTS WILL
LIKELY BE SIGNIFICANTLY AFFECTED BY THIS STORM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST
THAT WILL MAKE TRAVEL DANGEROUS. CONSIDER ONLY TRAVELING IF IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...
FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.
&&
Winter Storm Warning 16:06:26.5740613
...WINTER STORM WARNING REMAINS IN EFFECT FROM 3 AM TUESDAY TO
MIDNIGHT CST TUESDAY NIGHT...
* TIMING...LIGHT SNOW WILL DEVELOP TONIGHT...AND WILL BECOME MORE
WIDESPREAD TOWARD DAYBREAK. HEAVY SNOW WILL BE POSSIBLE FROM
LATE TUESDAY MORNING THROUGH EARLY TUESDAY EVENING.
* SNOW ACCUMULATION...7 TO 10 INCHES WITH LOCALLY HIGHER AMOUNTS
POSSIBLE.
* MAIN IMPACTS...SNOW WILL FALL HEAVILY AT TIMES FROM LATE TUESDAY
MORNING THROUGH EARLY TUESDAY EVENING. SNOWFALL RATES OF 1 TO 2
INCHES PER HOUR ARE POSSIBLE AT TIMES...MAKING SNOW REMOVAL
DIFFICULT AND TRAVEL EXTREMELY DANGEROUS. THE COMBINATION OF
HEAVY SNOW AND NORTHEASTERLY WINDS GUSTING TO 25 TO 30 MPH AT
TIMES LATER TUESDAY INTO TUESDAY NIGHT WILL ALSO CAUSE BLOWING
AND DRIFTING SNOW IN OPEN AREAS. THIS WILL IMPACT BOTH THE MORNING
AND EVENING RUSH HOURS ON TUESDAY...WITH A GREATER POTENTIAL FOR
HEAVY SNOWFALL DURING THE LATE AFTERNOON AND EARLY EVENING RUSH
HOUR.
* OTHER IMPACTS...TRAVEL THROUGH OHARE AND MIDWAY AIRPORTS WILL
LIKELY BE SIGNIFICANTLY AFFECTED BY THIS STORM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST
THAT WILL MAKE TRAVEL DANGEROUS. CONSIDER ONLY TRAVELING IF IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...
FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.
&&
MIDNIGHT CST TUESDAY NIGHT...
* TIMING...LIGHT SNOW WILL DEVELOP TONIGHT...AND WILL BECOME MORE
WIDESPREAD TOWARD DAYBREAK. HEAVY SNOW WILL BE POSSIBLE FROM
LATE TUESDAY MORNING THROUGH EARLY TUESDAY EVENING.
* SNOW ACCUMULATION...7 TO 10 INCHES WITH LOCALLY HIGHER AMOUNTS
POSSIBLE.
* MAIN IMPACTS...SNOW WILL FALL HEAVILY AT TIMES FROM LATE TUESDAY
MORNING THROUGH EARLY TUESDAY EVENING. SNOWFALL RATES OF 1 TO 2
INCHES PER HOUR ARE POSSIBLE AT TIMES...MAKING SNOW REMOVAL
DIFFICULT AND TRAVEL EXTREMELY DANGEROUS. THE COMBINATION OF
HEAVY SNOW AND NORTHEASTERLY WINDS GUSTING TO 25 TO 30 MPH AT
TIMES LATER TUESDAY INTO TUESDAY NIGHT WILL ALSO CAUSE BLOWING
AND DRIFTING SNOW IN OPEN AREAS. THIS WILL IMPACT BOTH THE MORNING
AND EVENING RUSH HOURS ON TUESDAY...WITH A GREATER POTENTIAL FOR
HEAVY SNOWFALL DURING THE LATE AFTERNOON AND EARLY EVENING RUSH
HOUR.
* OTHER IMPACTS...TRAVEL THROUGH OHARE AND MIDWAY AIRPORTS WILL
LIKELY BE SIGNIFICANTLY AFFECTED BY THIS STORM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST
THAT WILL MAKE TRAVEL DANGEROUS. CONSIDER ONLY TRAVELING IF IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...
FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.
&&
Winter Storm Warning 15:54:21.5668839
...WINTER STORM WARNING REMAINS IN EFFECT FROM 3 AM TUESDAY TO
MIDNIGHT CST TUESDAY NIGHT...
* TIMING...LIGHT SNOW WILL DEVELOP TONIGHT...AND WILL BECOME MORE
WIDESPREAD TOWARD DAYBREAK. HEAVY SNOW WILL BE POSSIBLE FROM
LATE TUESDAY MORNING THROUGH EARLY TUESDAY EVENING.
* SNOW ACCUMULATION...7 TO 10 INCHES WITH LOCALLY HIGHER AMOUNTS
POSSIBLE.
* MAIN IMPACTS...SNOW WILL FALL HEAVILY AT TIMES FROM LATE TUESDAY
MORNING THROUGH EARLY TUESDAY EVENING. SNOWFALL RATES OF 1 TO 2
INCHES PER HOUR ARE POSSIBLE AT TIMES...MAKING SNOW REMOVAL
DIFFICULT AND TRAVEL EXTREMELY DANGEROUS. THE COMBINATION OF
HEAVY SNOW AND NORTHEASTERLY WINDS GUSTING TO 25 TO 30 MPH AT
TIMES LATER TUESDAY INTO TUESDAY NIGHT WILL ALSO CAUSE BLOWING
AND DRIFTING SNOW IN OPEN AREAS. THIS WILL IMPACT BOTH THE MORNING
AND EVENING RUSH HOURS ON TUESDAY...WITH A GREATER POTENTIAL FOR
HEAVY SNOWFALL DURING THE LATE AFTERNOON AND EARLY EVENING RUSH
HOUR.
* OTHER IMPACTS...TRAVEL THROUGH OHARE AND MIDWAY AIRPORTS WILL
LIKELY BE SIGNIFICANTLY AFFECTED BY THIS STORM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST
THAT WILL MAKE TRAVEL DANGEROUS. CONSIDER ONLY TRAVELING IF IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...
FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.
&&
MIDNIGHT CST TUESDAY NIGHT...
* TIMING...LIGHT SNOW WILL DEVELOP TONIGHT...AND WILL BECOME MORE
WIDESPREAD TOWARD DAYBREAK. HEAVY SNOW WILL BE POSSIBLE FROM
LATE TUESDAY MORNING THROUGH EARLY TUESDAY EVENING.
* SNOW ACCUMULATION...7 TO 10 INCHES WITH LOCALLY HIGHER AMOUNTS
POSSIBLE.
* MAIN IMPACTS...SNOW WILL FALL HEAVILY AT TIMES FROM LATE TUESDAY
MORNING THROUGH EARLY TUESDAY EVENING. SNOWFALL RATES OF 1 TO 2
INCHES PER HOUR ARE POSSIBLE AT TIMES...MAKING SNOW REMOVAL
DIFFICULT AND TRAVEL EXTREMELY DANGEROUS. THE COMBINATION OF
HEAVY SNOW AND NORTHEASTERLY WINDS GUSTING TO 25 TO 30 MPH AT
TIMES LATER TUESDAY INTO TUESDAY NIGHT WILL ALSO CAUSE BLOWING
AND DRIFTING SNOW IN OPEN AREAS. THIS WILL IMPACT BOTH THE MORNING
AND EVENING RUSH HOURS ON TUESDAY...WITH A GREATER POTENTIAL FOR
HEAVY SNOWFALL DURING THE LATE AFTERNOON AND EARLY EVENING RUSH
HOUR.
* OTHER IMPACTS...TRAVEL THROUGH OHARE AND MIDWAY AIRPORTS WILL
LIKELY BE SIGNIFICANTLY AFFECTED BY THIS STORM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST
THAT WILL MAKE TRAVEL DANGEROUS. CONSIDER ONLY TRAVELING IF IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...
FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.
&&
Winter Storm Warning 10:57:49.3907431
...WINTER STORM WARNING REMAINS IN EFFECT FROM 3 AM TUESDAY TO
MIDNIGHT CST TUESDAY NIGHT...
* TIMING...LIGHT SNOW IS IS EXPECTED TO SPREAD ACROSS NORTHEAST
ILLINOIS TONIGHT AND BECOME MORE INTENSE TOWARD DAYBREAK
TUESDAY AND PERSIST THROUGH TUESDAY EVENING.
* SNOW ACCUMULATION...7 TO 10 INCHES WITH LOCALLY HIGHER AMOUNTS
POSSIBLE.
* MAIN IMPACTS...SNOW WILL LIKELY FALL HEAVILY AT TIMES FROM LATE
TUESDAY MORNING THROUGH EARLY TUESDAY EVENING. ACCUMULATION
RATES OF 1 TO POSSIBLY 2 INCHES PER HOUR ARE POSSIBLE AT TIMES
MAKING SNOW REMOVAL DIFFICULT AND TRAVEL EXTREMELY DANGEROUS.
THE COMBINATION OF HEAVY SNOW AND NORTHEASTERLY WINDS GUSTING TO
25 TO 30 MPH AT TIMES LATER TUESDAY INTO TUESDAY NIGHT MAY ALSO
CAUSE BLOWING AND DRIFTING SNOW IN OPEN AREAS. THIS WILL IMPACT
BOTH MORNING AND EVENING RUSH HOURS ON TUESDAY...WITH THE HIGHER
POTENTIAL FOR HEAVY SNOWFALL DURING THE LATE AFTERNOON AND EARLY
EVENING RUSH HOUR.
* OTHER IMPACTS...TRAVEL THROUGH OHARE AND MIDWAY AIRPORTS WILL
LIKELY BE SIGNIFICANTLY AFFECTED FROM THIS STORM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST
THAT WILL MAKE TRAVEL DANGEROUS. CONSIDER ONLY TRAVELING IF IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...
FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.
&&
MIDNIGHT CST TUESDAY NIGHT...
* TIMING...LIGHT SNOW IS IS EXPECTED TO SPREAD ACROSS NORTHEAST
ILLINOIS TONIGHT AND BECOME MORE INTENSE TOWARD DAYBREAK
TUESDAY AND PERSIST THROUGH TUESDAY EVENING.
* SNOW ACCUMULATION...7 TO 10 INCHES WITH LOCALLY HIGHER AMOUNTS
POSSIBLE.
* MAIN IMPACTS...SNOW WILL LIKELY FALL HEAVILY AT TIMES FROM LATE
TUESDAY MORNING THROUGH EARLY TUESDAY EVENING. ACCUMULATION
RATES OF 1 TO POSSIBLY 2 INCHES PER HOUR ARE POSSIBLE AT TIMES
MAKING SNOW REMOVAL DIFFICULT AND TRAVEL EXTREMELY DANGEROUS.
THE COMBINATION OF HEAVY SNOW AND NORTHEASTERLY WINDS GUSTING TO
25 TO 30 MPH AT TIMES LATER TUESDAY INTO TUESDAY NIGHT MAY ALSO
CAUSE BLOWING AND DRIFTING SNOW IN OPEN AREAS. THIS WILL IMPACT
BOTH MORNING AND EVENING RUSH HOURS ON TUESDAY...WITH THE HIGHER
POTENTIAL FOR HEAVY SNOWFALL DURING THE LATE AFTERNOON AND EARLY
EVENING RUSH HOUR.
* OTHER IMPACTS...TRAVEL THROUGH OHARE AND MIDWAY AIRPORTS WILL
LIKELY BE SIGNIFICANTLY AFFECTED FROM THIS STORM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST
THAT WILL MAKE TRAVEL DANGEROUS. CONSIDER ONLY TRAVELING IF IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...
FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.
&&
Winter Storm Warning 04:06:57.1466882
...WINTER STORM WARNING IN EFFECT FROM 3 AM TUESDAY TO MIDNIGHT
CST TUESDAY NIGHT...
THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 3 AM TUESDAY TO
MIDNIGHT CST TUESDAY NIGHT. THE WINTER STORM WATCH IS NO LONGER IN
EFFECT.
* TIMING...LIGHT SNOW IS IS EXPECTED TO SPREAD ACROSS NORTHEAST
ILLINOIS TONIGHT AND BECOME MORE INTENSE TOWARD DAYBREAK TUESDAY
AND PERSIST THROUGH TUESDAY EVENING.
* SNOW ACCUMULATION...6 TO 9 INCHES WITH LOCALLY HIGHER AMOUNTS
POSSIBLE.
* OTHER IMPACTS...SNOW WILL LIKELY FALL HEAVILY AT TIMES FROM LATE
TUESDAY MORNING THROUGH EARLY TUESDAY EVENING. ACCUMULATION
RATES OF 1 TO 1.5 INCHES PER HOUR ARE POSSIBLE AT TIMES MAKING
SNOW REMOVAL DIFFICULT AND TRAVEL EXTREMELY DANGEROUS. THIS WILL
IMPACT BOTH RUSH HOURS ON TUESDAY...WITH THE HIGHER POTENTIAL
FOR HEAVY SNOWFALL DURING THE LATE AFTERNOON AND EARLY EVENING
RUSH HOUR.
* OTHER IMPACTS...NORTHERLY WINDS GUSTING TO 25 TO 30 MPH AT TIMES
LATER TUESDAY INTO TUESDAY NIGHT MAY CAUSE BLOWING SNOW IN OPEN
AREAS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST
THAT WILL MAKE TRAVEL DANGEROUS. CONSIDER ONLY TRAVELING IF IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...
FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.
&&
CST TUESDAY NIGHT...
THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 3 AM TUESDAY TO
MIDNIGHT CST TUESDAY NIGHT. THE WINTER STORM WATCH IS NO LONGER IN
EFFECT.
* TIMING...LIGHT SNOW IS IS EXPECTED TO SPREAD ACROSS NORTHEAST
ILLINOIS TONIGHT AND BECOME MORE INTENSE TOWARD DAYBREAK TUESDAY
AND PERSIST THROUGH TUESDAY EVENING.
* SNOW ACCUMULATION...6 TO 9 INCHES WITH LOCALLY HIGHER AMOUNTS
POSSIBLE.
* OTHER IMPACTS...SNOW WILL LIKELY FALL HEAVILY AT TIMES FROM LATE
TUESDAY MORNING THROUGH EARLY TUESDAY EVENING. ACCUMULATION
RATES OF 1 TO 1.5 INCHES PER HOUR ARE POSSIBLE AT TIMES MAKING
SNOW REMOVAL DIFFICULT AND TRAVEL EXTREMELY DANGEROUS. THIS WILL
IMPACT BOTH RUSH HOURS ON TUESDAY...WITH THE HIGHER POTENTIAL
FOR HEAVY SNOWFALL DURING THE LATE AFTERNOON AND EARLY EVENING
RUSH HOUR.
* OTHER IMPACTS...NORTHERLY WINDS GUSTING TO 25 TO 30 MPH AT TIMES
LATER TUESDAY INTO TUESDAY NIGHT MAY CAUSE BLOWING SNOW IN OPEN
AREAS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST
THAT WILL MAKE TRAVEL DANGEROUS. CONSIDER ONLY TRAVELING IF IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...
FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.
&&
Sunday, March 3, 2013
Winter Storm Watch 22:15:34.7933265
...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE MONDAY NIGHT
THROUGH TUESDAY EVENING...
* TIMING...LIGHT SNOW IS IS EXPECTED TO SPREAD ACROSS NORTHEAST
ILLINOIS AND NORTHWEST INDIANA MONDAY NIGHT AND BECOME MORE
INTENSE TUESDAY MORNING AND TUESDAY AFTERNOON.
* SNOW ACCUMULATION...IN EXCESS OF 6 INCHES POSSIBLE.
* OTHER IMPACTS...SNOW MAY FALL HEAVILY AT TIMES FROM TUESDAY
MORNING THROUGH TUESDAY AFTERNOON. ACCUMULATION RATES OF 1 TO
1.5 INCHES PER HOUR ARE POSSIBLE AT TIMES MAKING SNOW REMOVAL
DIFFICULT AND TRAVEL EXTREMELY DANGEROUS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.
&&
THROUGH TUESDAY EVENING...
* TIMING...LIGHT SNOW IS IS EXPECTED TO SPREAD ACROSS NORTHEAST
ILLINOIS AND NORTHWEST INDIANA MONDAY NIGHT AND BECOME MORE
INTENSE TUESDAY MORNING AND TUESDAY AFTERNOON.
* SNOW ACCUMULATION...IN EXCESS OF 6 INCHES POSSIBLE.
* OTHER IMPACTS...SNOW MAY FALL HEAVILY AT TIMES FROM TUESDAY
MORNING THROUGH TUESDAY AFTERNOON. ACCUMULATION RATES OF 1 TO
1.5 INCHES PER HOUR ARE POSSIBLE AT TIMES MAKING SNOW REMOVAL
DIFFICULT AND TRAVEL EXTREMELY DANGEROUS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.
&&
Winter Storm Watch 15:12:13.5418567
...WINTER STORM WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH
TUESDAY EVENING...
THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A WINTER STORM
WATCH...WHICH IS IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY
EVENING.
* TIMING...LIGHT SNOW IS IS EXPECTED TO SPREAD ACROSS NORTHEAST
ILLINOIS AND NORTHWEST INDIANA MONDAY NIGHT AND BECOME MORE
INTENSE TUESDAY MORNING AND TUESDAY AFTERNOON.
* SNOW ACCUMULATION...IN EXCESS OF 6 INCHES POSSIBLE.
* OTHER IMPACTS...SNOW MAY FALL HEAVILY AT TIMES FROM TUESDAY
MORNING THROUGH TUESDAY AFTERNOON. ACCUMULATION RATES OF 1 TO
1.5 INCHES PER HOUR ARE POSSIBLE AT TIMES MAKING SNOW REMOVAL
DIFFICULT AND TRAVEL EXTREMELY DANGEROUS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.
&&
TUESDAY EVENING...
THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A WINTER STORM
WATCH...WHICH IS IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY
EVENING.
* TIMING...LIGHT SNOW IS IS EXPECTED TO SPREAD ACROSS NORTHEAST
ILLINOIS AND NORTHWEST INDIANA MONDAY NIGHT AND BECOME MORE
INTENSE TUESDAY MORNING AND TUESDAY AFTERNOON.
* SNOW ACCUMULATION...IN EXCESS OF 6 INCHES POSSIBLE.
* OTHER IMPACTS...SNOW MAY FALL HEAVILY AT TIMES FROM TUESDAY
MORNING THROUGH TUESDAY AFTERNOON. ACCUMULATION RATES OF 1 TO
1.5 INCHES PER HOUR ARE POSSIBLE AT TIMES MAKING SNOW REMOVAL
DIFFICULT AND TRAVEL EXTREMELY DANGEROUS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.
&&
Special Weather Statement 10:15:19.3654981
...WINTER STORM POSSIBLE TUESDAY...
ANOTHER WINTER STORM IS FORECAST TO MOVE INTO THE REGION TUESDAY
BRINGING THE POTENTIAL FOR SIGNIFICANT SNOW ACCUMULATION. THERE
CONTINUES TO BE UNCERTAINTY IN THE EXACT TRACK OF THIS STORM
SYSTEM INTO TUESDAY...WHICH LEADS TO LOW CONFIDENCE ON WHERE THE
HEAVIEST SNOW WILL FALL. HOWEVER...GIVEN THE FORECAST INTENSITY
AND MOISTURE AVAILABLE FOR THIS STORM TO WORK WITH...IT APPEARS
LIKELY THAT A SWATH OF POTENTIALLY GREATER THAN 6 INCHES OF SNOW
WILL OCCUR WITH THIS SYSTEM. WITH THE RANGE IN MODEL FORECAST
SOLUTIONS RANGING FROM WISCONSIN AND MICHIGAN ON THE NORTHERN END
TO SOUTHERN ILLINOIS ON THE SOUTH END...NORTHERN ILLINOIS AND
NORTHWEST INDIANA CERTAINLY STAND A CHANCE TO RECEIVE HEAVY SNOW.
PERSONS PLANNING TRAVEL ACROSS THE MIDWEST TUESDAY SHOULD CLOSELY
MONITOR LATER FORECASTS ON THE DEVELOPING WINTER STORM.
ANOTHER WINTER STORM IS FORECAST TO MOVE INTO THE REGION TUESDAY
BRINGING THE POTENTIAL FOR SIGNIFICANT SNOW ACCUMULATION. THERE
CONTINUES TO BE UNCERTAINTY IN THE EXACT TRACK OF THIS STORM
SYSTEM INTO TUESDAY...WHICH LEADS TO LOW CONFIDENCE ON WHERE THE
HEAVIEST SNOW WILL FALL. HOWEVER...GIVEN THE FORECAST INTENSITY
AND MOISTURE AVAILABLE FOR THIS STORM TO WORK WITH...IT APPEARS
LIKELY THAT A SWATH OF POTENTIALLY GREATER THAN 6 INCHES OF SNOW
WILL OCCUR WITH THIS SYSTEM. WITH THE RANGE IN MODEL FORECAST
SOLUTIONS RANGING FROM WISCONSIN AND MICHIGAN ON THE NORTHERN END
TO SOUTHERN ILLINOIS ON THE SOUTH END...NORTHERN ILLINOIS AND
NORTHWEST INDIANA CERTAINLY STAND A CHANCE TO RECEIVE HEAVY SNOW.
PERSONS PLANNING TRAVEL ACROSS THE MIDWEST TUESDAY SHOULD CLOSELY
MONITOR LATER FORECASTS ON THE DEVELOPING WINTER STORM.
Special Weather Statement 03:32:26.1261854
...WINTER STORM POSSIBLE TUESDAY...
ANOTHER WINTER STORM IS FORECAST TO MOVE INTO THE REGION TUESDAY
BRINGING THE POTENTIAL FOR SIGNIFICANT SNOW ACCUMULATION. THERE
IS CURRENTLY A WIDE SPREAD IN POSSIBLE TRACKS BEING OFFERED UP BY
THE VARIOUS FORECAST MODELS...WHICH LENDS ITSELF TO LOWER THAN
AVERAGE FORECAST CONFIDENCE. GIVEN THE FORECAST INTENSITY AND
MOISTURE AVAILABLE FOR THIS STORM TO WORK WITH...IT APPEARS LIKELY
THAT A SWATH OF POTENTIALLY GREATER THAN 6 INCHES OF SNOW WILL
OCCUR WITH THIS SYSTEM. WITH THE RANGE IN MODEL FORECAST
SOLUTIONS RANGING FROM WISCONSIN AND MICHIGAN ON THE NORTHERN END
TO SOUTHERN ILLINOIS ON THE SOUTH END...NORTHERN ILLINOIS AND
NORTHWEST INDIANA CERTAINLY STAND A CHANCE TO RECEIVE HEAVY SNOW.
PERSONS PLANNING TRAVEL ACROSS THE MIDWEST TUESDAY SHOULD CLOSELY
MONITOR LATER FORECASTS ON THE DEVELOPING WINTER STORM.
ANOTHER WINTER STORM IS FORECAST TO MOVE INTO THE REGION TUESDAY
BRINGING THE POTENTIAL FOR SIGNIFICANT SNOW ACCUMULATION. THERE
IS CURRENTLY A WIDE SPREAD IN POSSIBLE TRACKS BEING OFFERED UP BY
THE VARIOUS FORECAST MODELS...WHICH LENDS ITSELF TO LOWER THAN
AVERAGE FORECAST CONFIDENCE. GIVEN THE FORECAST INTENSITY AND
MOISTURE AVAILABLE FOR THIS STORM TO WORK WITH...IT APPEARS LIKELY
THAT A SWATH OF POTENTIALLY GREATER THAN 6 INCHES OF SNOW WILL
OCCUR WITH THIS SYSTEM. WITH THE RANGE IN MODEL FORECAST
SOLUTIONS RANGING FROM WISCONSIN AND MICHIGAN ON THE NORTHERN END
TO SOUTHERN ILLINOIS ON THE SOUTH END...NORTHERN ILLINOIS AND
NORTHWEST INDIANA CERTAINLY STAND A CHANCE TO RECEIVE HEAVY SNOW.
PERSONS PLANNING TRAVEL ACROSS THE MIDWEST TUESDAY SHOULD CLOSELY
MONITOR LATER FORECASTS ON THE DEVELOPING WINTER STORM.
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