Tuesday, August 5, 2014

Hazardous Weather Outlook for Mchenry Co., IL

FLUS43 KLOT 050932
HWOLOT

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
432 AM CDT TUE AUG 5 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-
432 AM CDT TUE AUG 5 2014 /532 AM EDT TUE AUG 5 2014/

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

.DAY ONE...TODAY AND TONIGHT.

WEATHER HAZARDS EXPECTED:

ISOLATED TO SCATTERED THUNDERSTORMS...WHICH MAY PRODUCE:

OCCASIONAL CLOUD TO GROUND LIGHTNING.
HEAVY DOWNPOURS.
WIND GUSTS TO 40 MPH.
HAIL TO THE SIZE OF NICKELS.

AREAS AFFECTED AND TIMING:

EAST CENTRAL ILLINOIS AND NORTHWEST INDIANA MAINLY SOUTH OF
THE KANKAKEE AND ILLINOIS RIVER VALLEYS THIS AFTERNOON.

DISCUSSION:

A WEAK COLD FRONT WAS STRETCHED OUT WEST TO EAST ACROSS
NORTHERN ILLINOIS EARLY THIS MORNING. THIS FRONT WILL CONTINUE
TO SAG SOUTH INTO CENTRAL ILLINOIS AND INDIANA BY THIS EVENING.
INSTABILITY DEVELOPING WITH DAYTIME HEATING WILL LIKELY RESULT
IN ISOLATED TO SCATTERED THUNDERSTORMS DEVELOPING ALONG THE
FRONT THIS AFTERNOON. WITH RELATIVELY WEAK WINDS ALOFT...NO
WIDESPREAD SEVERE WEATHER IS EXPECTED. HOWEVER...THE STRONGEST
STORMS WILL BE CAPABLE OF PRODUCING LOCALLY HEAVY RAINFALL
AS WELL AS GUSTY WINDS AND SMALL HAIL.

PATCHY FOG MAY BE LOCALLY DENSE EARLY THIS MORNING ACROSS
PORTIONS OF NORTH CENTRAL ILLINOIS.

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

THERE ARE CHANCES OF THUNDERSTORMS EARLY WEDNESDAY INTO FRIDAY...
MAINLY SOUTH OF A ROCKFORD TO VALPARAISO LINE. THE POTENTIAL DOES
EXIST FOR SOME OF THESE STORMS TO PRODUCE LOCALLY HEAVY RAINFALL
AMOUNTS.

THERE IS A CHANCE OF THUNDERSTORMS AGAIN LATE SUNDAY INTO MONDAY
FOR MOST OF THE OUTLOOK AREA.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.

&&

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