Sunday, May 10, 2015

Hazardous Weather Outlook for Mchenry Co., IL

FLUS43 KLOT 102046
HWOLOT

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
346 PM CDT SUN MAY 10 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-
346 PM CDT SUN MAY 10 2015

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

.DAY ONE...TONIGHT.

WEATHER HAZARDS EXPECTED:

THUNDERSTORMS...SOME OF WHICH MAY PRODUCE:

CLOUD TO GROUND LIGHTNING.
LOCALLY HEAVY RAINFALL.
ISOLATED WIND GUSTS TO 60 MPH.
ISOLATED HAIL TO THE SIZE OF QUARTERS.

AREAS AFFECTED AND TIMING:

ISOLATED STORMS THIS EVENING SOUTH OF INTERSTATE 80. COVERAGE
INCREASES AREA WIDE LATE TONIGHT...WITH THE STRONGEST STORMS
EXPECTED GENERALLY ALONG AND SOUTHWEST OF A LINE FROM DIXON
ILLINOIS TO WATSEKA ILLINOIS.

DISCUSSION:

THUNDERSTORMS ACROSS SOUTH CENTRAL IOWA INTO NORTHEAST
MISSOURI ARE EXPECTED TO LIFT NORTHEAST TOWARDS
CENTRAL ILLINOIS THIS EVENING...AND EVENTUALLY REACH
NORTH CENTRAL ILLINOIS LATE TONIGHT. MOISTURE AND
INSTABILITY WILL INCREASE THIS EVENING AS A WARM FRONT
BEGINS TO LIFT NORTH. COVERAGE OF STORMS MAY INCREASE LATE
TONIGHT. SMALL HAIL AND LOCALLY HEAVY RAINFALL IS STILL
A POSSIBILITY FOR ALL AREAS OVERNIGHT ACROSS THE OUTLOOK AREA.

AREA STREAMS WILL REMAIN AT OR NEAR BANKFULL CONDITIONS...ESPECIALLY
FOR PORTIONS OF THE ILLINOIS RIVER.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

AREA STREAMS WILL REMAIN AT OR NEAR BANKFULL CONDITIONS...
ESPECIALLY FOR PORTIONS OF THE ILLINOIS RIVER.

THUNDERSTORMS ARE POSSIBLE MONDAY ACROSS EAST CENTRAL ILLINOIS
AND NORTHWEST INDIANA...SOME OF WHICH COULD BE STRONG.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS MAY BE NEEDED THIS EVENING...ALONG AND SOUTHWEST OF A
LINE FROM DIXON ILLINOIS TO WATSEKA ILLINOIS.

&&

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