FLUS43 KLOT 181552
HWOLOT
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1052 AM CDT MON AUG 18 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-
1052 AM CDT MON AUG 18 2014 /1152 AM EDT MON AUG 18 2014/
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS...
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.
.DAY ONE...THIS AFTERNOON AND TONIGHT.
WEATHER HAZARDS EXPECTED:
SCATTERED THUNDERSTORMS...SOME COULD PRODUCE:
PEA TO DIME SIZE HAIL.
WIND GUSTS TO 50 MPH.
FREQUENT CLOUD TO GROUND LIGHTNING.
LOCALLY HEAVY RAINFALL.
AREAS AFFECTED AND TIMING:
THERE IS A SLIGHT CHANCE FOR THUNDERSTORMS IN THE MID TO LATE
AFTERNOON ACROSS PORTIONS OF FAR NORTHERN ILLINOIS. THUNDERSTORMS
ARE EXPECTED TO GRADUALLY INCREASE IN COVERAGE AND SPREAD INTO
NORTHERN ILLINOIS AND NORTHWEST INDIANA THIS EVENING INTO THE
OVERNIGHT HOURS.
DISCUSSION:
AN UPPER LEVEL SYSTEM OVER THE DAKOTAS THIS MORNING WILL SLOWLY
SLIDE SOUTHEAST TOWARDS THE GREAT LAKES REGION BY TONIGHT. AS
THIS SYSTEM APPROACHES THE REGION...SCATTERED THUNDERSTORMS
WILL DEVELOP LATER TODAY ACROSS EASTERN IOWA THEN INCREASE IN
COVERAGE THIS EVENING AND OVERNIGHT ACROSS NORTHERN ILLINOIS AND
NORTHWEST INDIANA. THE ATMOSPHERE WILL STEADILY MOISTEN LATE
THIS AFTERNOON THROUGH TONIGHT... WHICH WILL INCREASE THE
POSSIBILITY FOR A FEW THUNDERSTORMS PRODUCING BRIEF HEAVY
DOWNPOURS. A FEW OF THE STRONGEST STORMS MAY BE CAPABLE OF
PRODUCING SMALL HAIL ALONG WITH WIND GUSTS UP TO 50 MPH.
.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.
THERE WILL CONTINUE TO BE PERIODIC CHANCES FOR THUNDERSTORMS
TUESDAY THROUGH SUNDAY. THE BEST CHANCE FOR THUNDERSTORMS WILL BE
TUESDAY...AND AGAIN WEDNESDAY NIGHT INTO SATURDAY. HEAVY
RAINFALL COULD OCCUR WITH ANY THUNDERSTORMS THAT AFFECT THE AREA.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL LIKELY NOT BE NECESSARY THROUGH TONIGHT.
&&
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