Flash Flood Watch for Mchenry Co., IL until 01:00 PM CDT 09/10

WGUS63 KLOT 091654
FFALOT

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1154 AM CDT TUE SEP 9 2014

...FLASH FLOOD WATCH IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY AFTERNOON...


/O.NEW.KLOT.FF.A.0004.140910T0600Z-140910T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WINNEBAGO-BOONE-MCHENRY-LAKE IL-OGLE-LEE-DE KALB-KANE-DUPAGE-COOK-
LA SALLE-KENDALL-GRUNDY-WILL-LIVINGSTON-
INCLUDING THE CITIES OF...ROCKFORD...BELVIDERE...WOODSTOCK...
WAUKEGAN...OREGON...DIXON...DEKALB...AURORA...WHEATON...CHICAGO...
OTTAWA...OSWEGO...MORRIS...JOLIET...PONTIAC
1154 AM CDT TUE SEP 9 2014

...FLASH FLOOD WATCH IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A

* FLASH FLOOD WATCH FOR PORTIONS OF CENTRAL ILLINOIS...NORTH
CENTRAL ILLINOIS AND NORTHEAST ILLINOIS...INCLUDING THE
FOLLOWING COUNTIES...IN CENTRAL ILLINOIS...LIVINGSTON. IN
NORTH CENTRAL ILLINOIS...BOONE...DE KALB...LA SALLE...LEE...
OGLE AND WINNEBAGO. IN NORTHEAST ILLINOIS...COOK...DUPAGE...
GRUNDY...KANE...KENDALL...LAKE IL...MCHENRY AND WILL.

* FROM LATE TONIGHT THROUGH WEDNESDAY AFTERNOON.

* DEEPENING LOW PRESSURE OVER THE CENTRAL PLAINS COMBINED WITH
HIGH PRESSURE OVER THE EAST COAST IS LEADING TO AN INCREASE IN
LOW LEVEL MOISTURE ACROSS THE MIDWEST. ALSO...THE REMNANTS OF A
WEST PACIFIC TROPICAL SYSTEM IS BRINGING AN INCREASE IN DEEP
LAYER MOISTURE. AS THE LOW TRACKS TO THE NORTHEAST THROUGH THE
MIDDLE MISSISSIPPI VALLEY TONIGHT IT WILL DRAG A STRONG COLD
FRONT ACROSS THE PLAINS. COPIOUS AMOUNTS OF DEEP LAYER MOISTURE
WILL POOL ALONG AND AHEAD OF THE FRONT. AROUND 2 INCHES OF AREAL
AVERAGE RAINFALL IS EXPECTED AS THE SYSTEM CROSSES THE REGION.
WITH INDIVIDUAL STORMS TRACKING TO THE NORTHEAST AS THE LARGER
SCALE SYSTEM PROGRESSES TO THE EAST...THERE SHOULD BE SOME
TRAINING AND REDEVELOPMENT WHICH COULD LEAD TO LOCALLY HIGHER
AMOUNTS OF 3 TO 5 INCHES IN SOME AREAS.

* FLASH FLOODING MAY CAUSE ROADS TO BE CLOSED AND IMPASSIBLE AND
CAUSE RISES ON AREA RIVERS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

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