FLUS43 KLOT 111338
HWOLOT
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
838 AM CDT MON AUG 11 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-
838 AM CDT MON AUG 11 2014 /938 AM EDT MON AUG 11 2014/
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS...
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.
.DAY ONE...TODAY AND TONIGHT.
WEATHER HAZARDS EXPECTED:
CHANCE OF THUNDERSTORMS...WHICH MAY PRODUCE:
OCCASIONAL CLOUD TO GROUND LIGHTNING.
HEAVY DOWNPOURS.
AREAS AFFECTED AND TIMING:
ISOLATED TO SCATTERED THUNDERSTORMS THIS MORNING FOR MAINLY
NORTHEAST ILLINOIS. ADDITIONAL THUNDERSTORMS WILL DEVELOP
BY MIDDAY THROUGH THIS EVENING FOR THE ENTIRE OUTLOOK AREA.
DISCUSSION:
A WARM AND MOIST ATMOSPHERE HAS LIFTED NORTH ACROSS NORTHERN
ILLINOIS AND NORTHWEST INDIANA. WITH A WEAK UPPER LEVEL SYSTEM
SLIDING EAST ACROSS THE REGION EARLY THIS MORNING SCATTERED
SHOWERS AND THUNDERSTORMS HAVE DEVELOPED...MAINLY ACROSS FAR
NORTHEAST ILLINOIS. THESE THUNDERSTORMS ARE ALL GENERALLY
MOVING TO THE NORTH TO SLIGHTLY NORTHEAST SLOWLY. GIVEN THE
VERY MOIST CONDITIONS THIS MORNING...ANY THUNDERSTORMS COULD
EASILY PRODUCE HEAVY DOWNPOURS. THIS COULD LEAD TO PONDING OR
SOME LOCALIZED FLOODING IN FLOOD PRONE AREAS...ESPECIALLY
IF THUNDERSTORMS CONTINUE TO REDEVELOP OVER THE SAME AREAS.
ANOTHER UPPER LEVEL SYSTEM WILL APPROACH THE REGION LATER
TONIGHT...WITH CONTINUED SCATTERED THUNDERSTORMS THROUGH
THE OVERNIGHT HOURS.
DANGEROUS SWIMMING CONDITIONS ARE LIKELY TODAY AND TONIGHT FOR THE
SHORES ALONG COOK COUNTY IN ILLINOIS...AS WELL AS LAKE AND PORTER
COUNTIES IN INDIANA.
.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.
DANGEROUS SWIMMING CONDITIONS ARE LIKELY AT SOME LAKE MICHIGAN
BEACHES TUESDAY INTO EARLY WEDNESDAY AFTERNOON.
THERE WILL BE ANOTHER CHANCE OF THUNDERSTORMS LATER FRIDAY INTO
SUNDAY.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.
&&
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