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Hazardous Weather Outlook

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
446 AM CDT WED APR 1 2015

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
021000-
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-
446 AM CDT WED APR 1 2015

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

.DAY ONE...TODAY AND TONIGHT.

  WEATHER HAZARDS EXPECTED:

 THUNDERSTORMS...ANY THAT OCCUR COULD PRODUCE...

 HEAVY DOWNPOURS.
 CLOUD TO GROUND LIGHTNING.

  AREAS AFFECTED AND TIMING:

 THERE IS A CHANCE FOR THUNDERSTORMS AFTER MIDNIGHT
 TONIGHT...MAINLY IN NORTHWEST AND NORTH CENTRAL ILLINOIS.

  DISCUSSION:

 A COLD FRONTAL ZONE WILL APPROACH FROM THE WEST LATE
 TONIGHT...COMBINING WITH AN UPPER DISTURBANCE TO PRODUCE AN AREA
 OF SHOWERS OF THUNDERSTORMS OVER IOWA AND WISCONSIN THAT COULD
 MOVE INTO PORTIONS OF MAINLY NORTH CENTRAL ILLINOIS AFTER
 MIDNIGHT. ANY THUNDERSTORMS COULD BE ON A WEAKENING TREND AS THEY
 MOVE INTO THE AREA...BUT MAY POSE A THREAT FOR BRIEF MODERATE TO
 HEAVY DOWNPOURS AND CLOUD TO GROUND LIGHTNING.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

THUNDERSTORMS ARE LIKELY ON THURSDAY AREA WIDE. A FEW OF THE
STORMS THURSDAY COULD BECOME STRONG TO SEVERE SOUTH OF A GARY TO
PONTIAC LINE AND PRODUCE DAMAGING WIND GUSTS. HEAVY RAINFALL IS
ALSO POSSIBLE.

THERE IS A CHANCE OF THUNDERSTORMS AGAIN NEXT MONDAY AND TUESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.

&&

$$



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