Tuesday, July 28, 2015

Hazardous Weather Outlook for Mchenry Co., IL

FLUS43 KLOT 282052
HWOLOT

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
352 PM CDT TUE JUL 28 2015


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-
352 PM CDT TUE JUL 28 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS...
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.

.DAY ONE...TONIGHT.

WEATHER HAZARDS EXPECTED:

THUNDERSTORMS...SOME CAPABLE OF PRODUCING:
VERY HEAVY DOWNPOURS.
FREQUENT CLOUD TO GROUND LIGHTNING.

AREAS AFFECTED AND TIMING:

THERE IS A SMALL CHANCE OF THUNDERSTORMS THIS EVENING OVER
NORTHERN ILLINOIS. CHANCES FOR THUNDERSTORMS WILL INCREASE FROM
WEST TO EAST ACROSS NORTHERN ILLINOIS AND INTO NORTHWEST
INDIANA LATE THIS EVENING THROUGH THE OVERNIGHT HOURS.

DISCUSSION:

AS A COOL FRONT MOVES EASTWARD ACROSS THE UPPER MISSISSIPPI
VALLEY THIS EVENING...THUNDERSTORM COVERAGE IS EXPECTED TO
INCREASE ACROSS IOWA. SOME OF THESE STORMS SHOULD PROGRESS INTO
NORTHERN ILLINOIS LATE THIS EVENING INTO OVERNIGHT...AND
POSSIBLY NORTHWEST INDIANA. CONDITIONS GENERALLY DO NOT APPEAR
FAVORABLE FOR STRONG TO SEVERE THUNDERSTORMS...HOWEVER HEAVY
RAIN AND PERHAPS LOCALIZED FLOODING ARE POSSIBLE WITH ANY OF
THE MORE INTENSE STORMS.

IN ADDITION...PORTIONS OF THE KANKAKEE RIVER IN NORTHWEST
INDIANA WILL REMAIN IN FLOOD.


.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

THUNDERSTORM CHANCES WILL LINGER THROUGH WEDNESDAY
MORNING...MAINLY SOUTH AND EAST OF INTERSTATE 55.

THERE IS A CHANCE OF THUNDERSTORMS AGAIN LATE SATURDAY NIGHT
THROUGH EARLY NEXT WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.

&&

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