FLUS43 KLOT 080918
HWOLOT
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
418 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-
418 AM CDT THU MAY 8 2014 /518 AM EDT THU MAY 8 2014/
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS...
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.
.DAY ONE...TODAY AND TONIGHT.
WEATHER HAZARDS EXPECTED:
THUNDERSTORMS...A FEW MAY PRODUCE:
HAIL LARGER THAN ONE INCH DIAMETER.
STRONG DAMAGING WIND GUSTS IN EXCESS OF 60 MPH.
LOCALLY HEAVY RAINFALL.
FREQUENT CLOUD TO GROUND LIGHTNING.
AREAS AFFECTED AND TIMING:
A FEW ISOLATED THUNDERSTORMS THIS MORNING WEST OF A PONTIAC
TO CRYSTAL LAKE LINE. THEN ADDITIONAL THUNDERSTORMS ARE
EXPECTED TO DEVELOP LATE THIS AFTERNOON WEST OF LASALLE TO
ROCKFORD...WITH THUNDERSTORMS SPREADING EAST AND INCREASING
IN COVERAGE THIS EVENING THROUGH THE OVERNIGHT.
DISCUSSION:
A FEW THUNDERSTORMS MAY DEVELOP EARLY THIS MORNING ACROSS
NORTHEAST MISSOURI AND SLIDE NORTHEAST ACROSS NORTHERN ILLINOIS
BEFORE LIFTING NORTH INTO WISCONSIN. A LULL IN THE THUNDERSTORM
ACTIVITY IS EXPECTED AS THE ATMOSPHERE BECOMES CAPPED LATE THIS
MORNING THROUGH THIS AFTERNOON. THE CAP IS EXPECTED TO ERODE
BY 3 PM CDT WITH CONVECTION STEADILY DEVELOPING WEST OF A ROCKFORD
TO LASALLE 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 NEEDED LATE THIS AFTERNOON THROUGH
TONIGHT.
&&
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