FLUS43 KLOT 081544
HWOLOT
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1044 AM CDT THU MAY 8 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-
1044 AM CDT THU MAY 8 2014 /1144 AM EDT THU MAY 8 2014/
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS...
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.
.DAY ONE...THIS AFTERNOON AND TONIGHT.
WEATHER HAZARDS EXPECTED:
THUNDERSTORMS...A FEW MAY PRODUCE:
HAIL LARGER THAN ONE INCH IN DIAMETER.
STRONG DAMAGING WIND GUSTS IN EXCESS OF 60 MPH.
LOCALLY HEAVY RAINFALL.
AND FREQUENT CLOUD TO GROUND LIGHTNING.
AREAS AFFECTED AND TIMING:
THUNDERSTORMS ARE EXPECTED TO DEVELOP VERY LATE THIS AFTERNOON
OR MORE LIKELY THIS EVENING WEST OF LA SALLE TO ROCKFORD
LINE...WITH THUNDERSTORMS SPREADING EAST AND INCREASING IN
COVERAGE THIS EVENING THROUGH THE NIGHT.
DISCUSSION:
A CAPPING INVERSION IS EXPECTED TO ERODE BY LATE THIS
AFTERNOON WITH THUNDERSTORMS BEGINNING TO DEVELOPING WEST OF A
ROCKFORD TO LA SALLE LINE. AT THE ONSET...ISOLATED SUPERCELLS
ARE EXPECTED AND MAY EVOLVE INTO A LINEAR SEGMENT LATE THIS
EVENING. THIS LINE WILL THEN SLOWLY SLIDE EAST TONIGHT AND
LIKELY CONTINUE INTO THE PRE-DAWN HOURS FRIDAY ACROSS PORTIONS
OF NORTHEAST ILLINOIS AND NORTHWEST INDIANA.
THUNDERSTORMS WILL HAVE THE POTENTIAL TO PRODUCE LARGE HAIL AND
DAMAGING WINDS. HEAVY DOWNPOURS WILL ALSO BE POSSIBLE WITH A
CHANCE FOR LOCALIZED FLOODING.
.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.
LINGERING THUNDERSTORMS WILL BE POSSIBLE FRIDAY MORNING...WITH
THE POTENTIAL FOR A FEW OF THESE STORMS REACHING SEVERE LIMITS
OVER THE FAR SOUTHEASTERN PORTIONS OF THE AREA.
THERE IS ANOTHER CHANCE FOR THUNDERSTORMS SATURDAY NIGHT THROUGH
TUESDAY.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION MAY BE NECESSARY LATE THIS AFTERNOON THROUGH
TONIGHT.
&&
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