Hazardous Weather Outlook
Issued by NWS Chicago, IL

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FLUS43 KLOT 190939
HWOLOT

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
439 AM CDT TUE AUG 19 2014

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
200945-
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-
439 AM CDT TUE AUG 19 2014 /539 AM EDT TUE AUG 19 2014/

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

.DAY ONE...TODAY AND TONIGHT.

 WEATHER HAZARDS EXPECTED:

   SCATTERED THUNDERSTORMS...SOME COULD PRODUCE:
   PEA TO DIME SIZE HAIL.
   WIND GUSTS TO 50 MPH.
   FREQUENT CLOUD TO GROUND LIGHTNING.
   LOCALLY HEAVY RAINFALL.

 AREAS AFFECTED AND TIMING:

   ONGOING LINE OF THUNDERSTORMS EARLY THIS MORNING ACROSS
   NORTHEAST ILLINOIS. ADDITIONAL THUNDERSTORMS WILL DEVELOP
   THIS AFTERNOON AND CONTINUE THROUGH EARLY THIS EVENING
   ALONG AND EAST OF A MENDOTA TO CHICAGO LINE.

  DISCUSSION:

  AN AREA OF LOW PRESSURE WAS OVER NORTHEAST WISCONSIN THIS
  MORNING...AND IS EXPECTED TO STEADILY MOVE EAST ACROSS LAKE
  MICHIGAN INTO NORTHERN LOWER MICHIGAN EARLY WEDNESDAY
  MORNING. ASSOCIATED WITH THIS LOW PRESSURE SYSTEM WAS A
  FRONTAL BOUNDARY THAT EXTENDS SOUTH ACROSS NORTHERN ILLINOIS.
  THE ENVIRONMENT AHEAD OF THIS FRONTAL BOUNDARY HAS BECOME
  MOIST AND UNSTABLE...ALLOWING FOR SOME MORNING THUNDERSTORMS
  ACROSS FAR NORTHEAST ILLINOIS. ADDITIONAL THUNDERSTORMS
  ARE EXPECTED TO REDEVELOP MIDDAY ALONG THIS BOUNDARY
  AND SLIDE EAST THROUGH THIS EVENING...MAINLY ALONG AND
  EAST OF A MENDOTA TO CHICAGO LINE. THE INCREASED MOISTURE
  IN THE ATMOSPHERE WILL ALLOW SOME OF THE THUNDERSTORMS TO
  PRODUCE HEAVY DOWNPOURS. OTHER HAZARDS WILL BE SMALL
  HAIL AND WIND GUSTS UP TO 50 MPH.

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

THERE WILL CONTINUE TO BE PERIODIC CHANCES FOR THUNDERSTORMS
WEDNESDAY NIGHT THROUGH SUNDAY. THE BEST CHANCE FOR THUNDERSTORMS WILL BE
WEDNESDAY NIGHT THROUGH THURSDAY. HEAVY RAINFALL COULD OCCUR WITH
ANY THUNDERSTORMS THAT AFFECT THE AREA.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.

&&

$$

LMZ740>745-200945-
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-
439 AM CDT TUE AUG 19 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.

THERE IS A CHANCE FOR THUNDERSTORMS ACROSS THE ENTIRE NEARSHORE
WATERS THROUGH MIDDAY...AND THE INDIANA NEARSHORE WATERS THROUGH
THIS EVENING.

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

THERE WILL BE PERIODIC CHANCES FOR THUNDERSTORMS WEDNESDAY NIGHT
THROUGH SUNDAY. THE BEST CHANCE FOR THUNDERSTORMS WILL BE
WEDNESDAY NIGHT INTO THURSDAY NIGHT.

&&

$$

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-200945-
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-
439 AM CDT TUE AUG 19 2014

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

.DAY ONE...TODAY AND TONIGHT.

THERE IS A CHANCE FOR THUNDERSTORMS THIS MORNING OVER THE
ENTIRE LAKE...SHIFTING TO THE SOUTHERN PORTION OF THE LAKE
THIS AFTERNOON.

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

THERE WILL BE PERIODIC CHANCES FOR THUNDERSTORMS WEDNESDAY NIGHT
THROUGH SUNDAY. THE BEST CHANCE FOR THUNDERSTORMS WILL BE
WEDNESDAY NIGHT INTO THURSDAY NIGHT.

&&

$$

BEACHLER

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