Hazardous Weather Outlook
Issued by NWS Chicago, IL

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000
FLUS43 KLOT 250913
HWOLOT

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
413 AM CDT MON APR 25 2016

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
260915-
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-
413 AM CDT MON APR 25 2016 /513 AM EDT MON APR 25 2016/

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

.DAY ONE...TODAY AND TONIGHT.

  WEATHER HAZARDS EXPECTED:

  SCATTERED THUNDERSTORMS...THE STRONGEST MAY PRODUCE:
HALF DOLLAR SIZE HAIL.
LOCALLY DAMAGING WIND GUSTS OVER 60 MPH.
HEAVY DOWNPOURS.
AND FREQUENT CLOUD TO GROUND LIGHTNING.

  AREAS AFFECTED AND TIMING:

  THUNDERSTORMS COULD DEVELOP OVER NORTHERN ILLINOIS AS EARLY AS
  3 PM...HOWEVER THE MOST LIKELY TIMING OF THUNDERSTORMS ACROSS
  THE REGION ALONG WITH THE POTENTIAL FOR ISOLATED SEVERE WEATHER
  IS BETWEEN 5 PM AND 11 PM.

  DISCUSSION:

  SCATTERED THUNDERSTORMS ARE FORECAST TO DEVELOP ALONG A WEAK
  BOUNDARY FROM WISCONSIN SOUTH INTO NORTHWEST ILLINOIS LATE THIS
  AFTERNOON. THESE STORMS WILL TRACK EAST ACROSS NORTHERN
  ILLINOIS THIS EVENING AND INTO NORTHWEST INDIANA BY LATE
  EVENING. CONDITIONS WILL LIKELY BE FAVORABLE FOR A FEW OF THESE
  STORMS TO BECOME SEVERE WITH LARGE HAIL THE PRIMARY
  THREAT...THOUGH LOCALLY DAMAGING WIND GUSTS ARE ALSO POSSIBLE.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

THERE IS A SLIGHT CHANCE OF THUNDERSTORMS SATURDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS MAY BE NEEDED LATE THIS AFTERNOON INTO THIS EVENING.

&&

GENERAL STORM MOTION OF THE DAY:

TOWARD THE EAST AT 40 TO 45 MPH.

&&

$$

LMZ740>745-260915-
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-
413 AM CDT MON APR 25 2016

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.

THERE IS A CHANCE OF THUNDERSTORMS THIS AFTERNOON THROUGH TONIGHT.
SOME OF THESE STORMS MAY PRODUCE WIND GUSTS IN EXCESS OF 35 KT AND
LARGE HAIL.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

WAVES HAZARDOUS TO SMALL CRAFT ARE EXPECTED TUESDAY THROUGH
WEDNESDAY.

WAVES HAZARDOUS TO SMALL CRAFT ARE POSSIBLE AGAIN OVER THE
ILLINOIS WATERS THURSDAY.

THERE IS A CHANCE OF THUNDERSTORMS SATURDAY.

&&

$$

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-260915-
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-
413 AM CDT MON APR 25 2016

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

.DAY ONE...TODAY AND TONIGHT.

GALES ARE EXPECTED OVER THE NORTHERN END OF THE LAKE LATE THIS
AFTERNOON THROUGH TONIGHT.

THUNDERSTORMS ARE POSSIBLE OVER THE LAKE THIS MORNING. THUNDERSTORMS
ARE LIKELY THIS AFTERNOON AND EVENING MAINLY OVER THE CENTRAL AND
SOUTHERN PORTIONS OF THE LAKE.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

THERE IS A SLIGHT CHANCE OF THUNDERSTORMS SATURDAY MAINLY OVER
THE FAR SOUTHERN END OF THE LAKE.

&&

$$

JEE/IZZI

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