Thursday, September 4, 2014

Hazardous Weather Outlook for Mchenry Co., IL

FLUS43 KLOT 041545
HWOLOT

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1045 AM CDT THU SEP 4 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-
1045 AM CDT THU SEP 4 2014 /1145 AM EDT THU SEP 4 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 OF WHICH MAY PRODUCE:
HEAVY RAINFALL AND LOCALIZED FLOODING.
WIND GUSTS ABOVE 35 MPH.

AREAS AFFECTED AND TIMING:

THUNDERSTORMS ACROSS NORTHERN ILLINOIS WILL CONTINUE TO
GRADUALLY DIMINISH IN COVERAGE THROUGH LATE MORNING AS THEY MOVE
EAST. THERE IS A CHANCE FOR THUNDERSTORMS AGAIN OVERNIGHT
TONIGHT.

DISCUSSION:

MOIST AIR RETURNING TO THE REGION HELPED IN THE DEVELOPMENT OF
THUNDERSTORMS THIS MORNING IN NORTHERN ILLINOIS. AS THE FORCING
GRADUALLY FADES THROUGH THE MORNING SO WILL THE STORMS.
LOCALIZED HEAVY RAINFALL COULD OCCUR...AS WELL AS ISOLATED
STRONG WIND GUSTS.

WARM AND HUMID WEATHER FOR LATE SUMMER WILL BE SEEN THIS
AFTERNOON....NAMELY IN PARTS OF THE AREA WEST AND SOUTH OF THE
I-39 AND I-55 CORRIDORS. HEAT INDEX READINGS MAY REACH INTO THE
UPPER 90S.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

THERE IS ANOTHER CHANCE OF THUNDERSTORMS FRIDAY. A FEW OF THESE
STORMS COULD BE STRONG AND PRODUCE GUSTY WINDS...ESPECIALLY ALONG
AND SOUTH OF INTERSTATE 80. THERE IS ALSO A THREAT FOR LOCALLY
HEAVY RAINFALL...WHICH COULD RESULT IN LOCALIZED FLOODING INTO
FRIDAY EVENING.

THE NEXT CHANCE OF THUNDERSTORMS WILL BE LATE MONDAY NIGHT
THROUGH WEDNESDAY.

WARM AND HUMID WEATHER FOR LATE SUMMER IS EXPECTED TO PERSIST
INTO EARLY FRIDAY AFTERNOON ACROSS PORTIONS OF EAST CENTRAL
ILLINOIS AND NORTHWESTERN INDIANA. SOME LOCATIONS HERE COULD
AGAIN EXPERIENCE HEAT INDEX READINGS APPROACHING 100 DEGREES.

DANGEROUS SWIMMING CONDITIONS ARE POSSIBLE AT LAKE MICHIGAN
BEACHES ON SATURDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.

&&

http://goo.gl/GPD1DI
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