Hazardous Weather Outlook
Issued by NWS Chicago, IL

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000
FLUS43 KLOT 120924
HWOLOT

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
424 AM CDT SAT APR 12 2014

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
130930-
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-
424 AM CDT SAT APR 12 2014 /524 AM EDT SAT APR 12 2014/

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

.DAY ONE...TODAY AND TONIGHT.

  WEATHER HAZARDS EXPECTED:

   THUNDERSTORMS...THE STRONGEST OF WHICH MAY PRODUCE:

     WINDS TO 60 MPH.
     HAIL TO THE SIZE OF QUARTERS.
     FREQUENT CLOUD TO GROUND LIGHTNING.

  AREAS AFFECTED AND TIMING:

   THERE IS A CHANCE FOR SEVERE THUNDERSTORMS THIS AFTERNOON AND
   EVENING...MAINLY ALONG AND NORTH OF A LINE FROM LASALLE TO GARY.
   THUNDERSTORMS WILL THEN BECOME LIKELY OVERNIGHT THOUGH THE SEVERE
   THREAT WILL DIMINISH WITH TIME.

  DISCUSSION:

   A WARM FRONT WILL LIFT NORTH ACROSS THE AREA TODAY. MOST OF THE
   THUNDERSTORM ACTIVITY IS EXPECTED TO REMAIN ALONG AND NORTH OF
   THE IL/WI STATE LINE...HOWEVER THERE IS A CHANCE THAT A FEW
   THUNDERSTORMS MAY DEVELOP FARTHER SOUTH. IF THUNDERSTORMS DO
   DEVELOP...THE ENVIRONMENT WOULD SUPPORT SEVERE WEATHER...
   PRIMARILY STRONG WINDS AND LARGE HAIL. A SLOW MOVING COLD FRONT
   WILL APPROACH THE AREA THIS EVENING AND THUNDERSTORMS WILL BECOME
   LIKELY THIS EVENING OVERNIGHT ACROSS NORTH CENTRAL ILLINOIS...
   HOWEVER THE THREAT FOR SEVERE WINDS AND HAIL WILL DIMINISH.

MINOR FLOODING WILL CONTINUE ALONG PORTIONS OF THE KANKAKEE RIVER
IN NORTHWEST INDIANA.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

SHOWERS AND THUNDERSTORMS WILL RE-INTENSIFY AND SPREAD SOUTHEAST
ACROSS NORTHERN ILLINOIS AND NORTHWEST INDIANA WITH PERIODS OF VERY
HEAVY RAINFALL POSSIBLE ESPECIALLY LATE SUNDAY AFTERNOON THROUGH
SUNDAY NIGHT. RISES ON AREA RIVERS AND STREAMS RESULTING IN
FLOODING WILL BE POSSIBLE.

MINOR FLOODING WILL CONTINUE ALONG PORTIONS OF THE KANKAKEE RIVER
IN NORTHWEST INDIANA.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS POSSIBLE THIS AFTERNOON AND EVENING.

&&

$$

LMZ740>745-130930-
WINTHROP HARBOR TO WILMETTE HARBOR-
WILMETTE HARBOR TO NORTHERLY ISLAND-
NORTHERLY ISLAND TO CALUMET HARBOR-CALUMET HARBOR TO GARY-
GARY TO BURNS HARBOR-BURNS HARBOR TO MICHIGAN CITY-
424 AM CDT SAT APR 12 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE ILLINOIS NEARSHORE
WATERS OF LAKE MICHIGAN AND THE INDIANA NEARSHORE WATERS OF LAKE
MICHIGAN.

.DAY ONE...TODAY AND TONIGHT.

HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE LIKELY FOR THE INDIANA
AND ILLINOIS NEARSHORE WATERS MID MORNING THROUGH TONIGHT.

THERE IS A CHANCE OF THUNDERSTORMS THIS AFTERNOON THROUGH TONIGHT.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE LIKELY AGAIN SUNDAY NIGHT
THROUGH MONDAY NIGHT. NORTHERLY GALE FORCE WINDS ARE POSSIBLE
LATE SUNDAY NIGHT AND MONDAY.

THERE WILL BE PERIODIC CHANCES FOR THUNDERSTORMS LATER SUNDAY
THROUGH SUNDAY NIGHT.

&&

$$

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-130930-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN SOUTH OF A LINE FROM SEUL CHOIX POINT TO THE
MACKINAC BRIDGE AND NORTH OF A LINE FROM CHARLEVOIX MI TO SOUTH
FOX ISLAND 5 NM OFFSHORE-
LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI-
LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM SHEBOYGAN TO PORT WASHINGTON WI 5 NM OFFSHORE
TO MID LAKE-
LAKE MICHIGAN FROM PORT WASHINGTON TO NORTH POINT LIGHT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM NORTH POINT LIGHT TO WIND POINT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WIND POINT WI TO WINTHROP HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM PENTWATER TO MANISTEE MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM WHITEHALL TO PENTWATER MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM GRAND HAVEN TO WHITEHALL MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM HOLLAND TO GRAND HAVEN MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM SOUTH HAVEN TO HOLLAND MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM ST. JOSEPH TO SOUTH HAVEN MI 5 NM OFFSHORE TO
MID LAKE-
424 AM CDT SAT APR 12 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE OPEN WATERS OF LAKE
MICHIGAN.

.DAY ONE...TODAY AND TONIGHT.

THUNDERSTORMS ARE POSSIBLE ACROSS LAKE MICHIGAN TODAY AND TONIGHT.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

GALES ARE POSSIBLE ACROSS THE LAKE LATE SUNDAY NIGHT INTO MONDAY.

THERE IS A CHANCE OF THUNDERSTORMS ACROSS MAINLY THE SOUTH HALF OF
LAKE MICHIGAN SUNDAY INTO SUNDAY EVENING.

&&

$$

BMD

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