Hazardous Weather Outlook
Issued by NWS Chicago, IL

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000
FLUS43 KLOT 301529
HWOLOT

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1029 AM CDT SAT AUG 30 2014

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
311530-
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-
1029 AM CDT SAT AUG 30 2014 /1129 AM EDT SAT AUG 30 2014/

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

  WEATHER HAZARDS EXPECTED:

   THUNDERSTORMS...SOME OF WHICH MAY PRODUCE:
    -ISOLATED WIND GUSTS TO 50 MPH.
    -TORRENTIAL DOWNPOURS.
    -CLOUD TO GROUND LIGHTNING.

  AREAS AFFECTED AND TIMING:

  SOME WIDELY SCATTERED THUNDERSTORMS WILL INCREASE IN COVERAGE
  INTO THE EARLY AFTERNOON HOURS MOSTLY WEST OF A GARY INDIANA TO
  GIBSON CITY ILLINOIS LINE. THEN A LINE OF THUNDERSTORMS IS
  EXPECTED TO FORM ALONG A CHICAGO TO PONTIAC ILLINOIS LINE
  EARLY THIS AFTERNOON. THE LINE OF STORMS WILL THEN SLOWLY PUSH
  EAST THROUGH THIS EVENING.

  DISCUSSION:

  AN UPPER LEVEL WAVE IS OVER SOUTHEAST MINNESOTA AND WISCONSIN
  WHILE A COLD FRONT STRETCHES FROM NORTHEAST WISCONSIN THROUGH
  SOUTH CENTRAL IOWA. SCATTERED THUNDERSTORMS ARE EXPECTED INTO
  EARLY THIS AFTERNOON. AS THE COLD FRONT MOVES INTO THE
  REGION...STORMS WILL FIRE ALONG IT. THE STRONGEST STORMS ARE
  EXPECTED ALONG THE COLD FRONT AND THOSE STORMS WILL BE CAPABLE
  OF PRODUCING WIND GUSTS TO 50 MPH. OTHERWISE ALL STORMS WILL
  PRODUCE LIGHTNING AND TORRENTIAL DOWNPOURS.

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

THERE IS A GOOD CHANCE FOR THUNDERSTORMS MONDAY INTO EARLY
TUESDAY. SOME OF THESE STORMS COULD BE SEVERE...ESPECIALLY ON
MONDAY. THESE STORMS WILL ALSO BE CAPABLE OF PRODUCING VERY HEAVY
RAINFALL...WHICH COULD LEAD TO LOCALIZED FLASH FLOODING.

THERE WILL BE ADDITIONAL SLIGHT CHANCES FOR THUNDERSTORMS
WEDNESDAY NIGHT AND THURSDAY...WITH A BETTER CHANCE OF
THUNDERSTORMS ON FRIDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.

&&

$$

LMZ740>745-311530-
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-
1029 AM CDT SAT AUG 30 2014

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

THERE IS A CHANCE FOR THUNDERSTORMS THROUGH THIS EVENING.

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

THERE IS A GOOD CHANCE FOR THUNDERSTORMS MONDAY INTO EARLY
TUESDAY. SOME OF THESE STORMS COULD BE SEVERE WITH WIND GUSTS IN
EXCESS OF 40 KT...ESPECIALLY ON MONDAY.

THERE WILL BE ADDITIONAL SLIGHT CHANCES FOR THUNDERSTORMS
WEDNESDAY NIGHT AND THURSDAY...WITH A BETTER CHANCE OF
THUNDERSTORMS ON FRIDAY.

&&

$$

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-311530-
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-
1029 AM CDT SAT AUG 30 2014

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

THERE IS A CHANCE OF THUNDERSTORMS THROUGH TONIGHT WITH NUMEROUS
THUNDERSTORMS EXPECTED OVER THE NORTHERN HALF OF THE LAKE THIS
AFTERNOON.

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

THERE IS A GOOD CHANCE FOR THUNDERSTORMS MONDAY INTO EARLY
TUESDAY. SOME OF THESE STORMS COULD BE SEVERE WITH WIND GUSTS IN
EXCESS OF 40 KT...ESPECIALLY ACROSS SOUTHERN LAKE MICHIGAN ON
MONDAY.

THERE WILL BE ADDITIONAL CHANCES FOR THUNDERSTORMS WEDNESDAY
NIGHT THROUGH FRIDAY.

&&

$$

JEE

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