FLUS43 KLOT 260917
HWOLOT
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
417 AM CDT TUE AUG 26 2014
WINNEBAGO-BOONE-MCHENRY-LAKE ILLINOIS-OGLE-LEE-DE KALB-KANE-
DUPAGE-COOK-LA SALLE-KENDALL-GRUNDY-WILL-KANKAKEE-LIVINGSTON-
IROQUOIS-FORD-LAKE INDIANA-PORTER-NEWTON-JASPER-BENTON-
417 AM CDT TUE AUG 26 2014 /517 AM EDT TUE AUG 26 2014/
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS...
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.
.DAY ONE...TODAY AND TONIGHT.
WEATHER HAZARDS EXPECTED:
THUNDERSTORMS WHICH MAY PRODUCE...
TORRENTIAL RAINFALL AND FLASH FLOODING.
WIND GUSTS IN EXCESS OF 50 MPH.
FREQUENT CLOUD TO GROUND LIGHTNING.
SMALL HAIL.
AREAS AFFECTED AND TIMING:
THUNDERSTORMS ARE POSSIBLE THROUGHOUT THE DAY ACROSS THE OUTLOOK
AREA. CHANCES WILL DIMINISH ACROSS FAR NORTHERN ILLINOIS LATER
THIS AFTERNOON. THUNDERSTORM CHANCES WILL AGAIN INCREASE FROM
WEST TO EAST LATER TONIGHT.
DISCUSSION:
A COLD FRONT WILL MOVE SOUTHWARD ACROSS THE OUTLOOK AREA TODAY
BUT WILL LIKELY SLOW DOWN AS IT REACHES THE INTERSTATE 80
CORRIDOR. THE FRONT...ALONG WITH SEVERAL OTHER UPPER LEVEL
FEATURES...WILL DRIVE THUNDERSTORM DEVELOPMENT THROUGH THE DAY.
STORMS CURRENTLY ONGOING ACROSS EASTERN IOWA AND NORTHWEST
ILLINOIS EARLY THIS MORNING WILL MOVE EASTWARD INTO THE OUTLOOK
AREA THROUGH MID MORNING. AN ADDITIONAL COMPLEX OF STORMS ACROSS
CENTRAL AND WESTERN IOWA IS EXPECTED TO AFFECT THE AREA LATER
THIS MORNING AND EARLY THIS AFTERNOON BUT IT IS UNCLEAR HOW WELL
THIS WILL HOLD TOGETHER BY THAT TIME. SHOULD IT WEAKEN OR EVEN
DISSIPATE...ISOLATED TO SCATTERED THUNDERSTORMS ARE STILL
EXPECTED ACROSS THE AREA INTO THE AFTERNOON. THE FRONT WILL
SLOWLY SAG SOUTH LATER THIS AFTERNOON HELPING TO END
THUNDERSTORM CHANCES ACROSS FAR NORTHERN ILLINOIS.
ADDITIONAL THUNDERSTORMS ARE EXPECTED TO AFFECT THE AREA LATER
TONIGHT. TORRENTIAL RAINFALL AND FLASH FLOODING WILL BE POSSIBLE
WITH THE STORMS THROUGH TONIGHT. GUSTY STRAIGHT LINE WINDS ARE
AN ADDITIONAL THREAT WITH A FEW WIND GUSTS REACHING SEVERE
LEVELS NOT OUT OF THE QUESTION BUT THE SEVERE THREAT IS LOW.
.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.
THERE IS A CHANCE OF THUNDERSTORMS WEDNESDAY THROUGH MONDAY. HEAVY
RAIN AND FLASH FLOODING WILL BE POSSIBLE WITH ANY THUNDERSTORMS
THAT DEVELOP...ESPECIALLY WEDNESDAY.
.SPOTTER INFORMATION STATEMENT...
SPOTTERS MAY BE NEEDED TODAY.
&&
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