Hazardous Weather Outlook
Issued by NWS Chicago, IL

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000
FLUS43 KLOT 220947
HWOLOT

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
447 AM CDT FRI AUG 22 2014

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
231000-
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-
447 AM CDT FRI AUG 22 2014 /547 AM EDT FRI AUG 22 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:
    TORRENTIAL RAINFALL AND FLASH FLOODING.
    FREQUENT CLOUD TO GROUND LIGHTNING.
    WIND GUSTS TO 50 MPH.
    NICKEL SIZE HAIL.

   AREAS AFFECTED AND TIMING:

   THUNDERSTORMS WITH HEAVY RAIN SOUTH OF INTERSTATE 80 WILL END
   THIS MORNING. ADDITIONAL THUNDERSTORMS ARE POSSIBLE THIS
   AFTERNOON AND TONIGHT...THOUGH CONFIDENCE REGARDING COVERAGE
   AND TIMING IS SOMEWHAT UNCERTAIN.

   DISCUSSION:

   VERY WARM AND HUMID AIR WILL REMAIN IN PLACE AS AN UPPER LEVEL
   RIDGE SLOWLY BUILDS ACROSS THE REGION. THUNDERSTORMS ARE
   POSSIBLE TODAY AND TONIGHT. THE MAIN THREAT FROM THESE STORMS
   WILL BE TORRENTIAL RAINFALL WHICH MAY LEAD TO FLASH FLOODING.
   WITH THE SOIL SATURATED IN MANY AREAS...ANY ADDITIONAL HEAVY
   RAIN MAY QUICKLY LEAD TO FLASH FLOODING. RAINFALL RATES WITH
   ANY THUNDERSTORMS THAT DEVELOP COULD REACH 2 TO 3 INCHES PER
   HOUR.

DENSE FOG WILL BE POSSIBLE EARLY THIS MORNING ACROSS FAR NORTHEAST
ILLINOIS.

HEAT INDICES WILL APPROACH 100 DEGREES AWAY FROM LAKE MICHIGAN
THIS AFTERNOON.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

THERE IS A CHANCE OF THUNDERSTORMS SATURDAY AND SATURDAY NIGHT...
SUNDAY AFTERNOON...THEN MONDAY THROUGH THURSDAY. HEAVY RAIN AND
FLASH FLOODING WILL BE POSSIBLE WITH ANY THUNDERSTORMS THAT
DEVELOP.

HEAT INDICES COULD EXCEED 100 DEGREES SUNDAY AND MONDAY AFTERNOONS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER REPORTS OF RAINFALL AND FLOODING WILL BE APPRECIATED.

&&

$$

LMZ740>745-231000-
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-
447 AM CDT FRI AUG 22 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 OF THUNDERSTORMS.

AREAS OF FOG WILL BE POSSIBLE TODAY.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

THERE WILL CONTINUE TO BE PERIODIC CHANCES FOR THUNDERSTORMS
SATURDAY THROUGH WEDNESDAY.

&&

$$

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-231000-
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-
447 AM CDT FRI AUG 22 2014

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

.DAY ONE...TODAY AND TONIGHT.

THERE IS A CHANCE OF THUNDERSTORMS MAINLY ACROSS SOUTHERN AND
CENTRAL PORTIONS OF THE LAKE.

AREAS OF FOG ARE POSSIBLE TODAY.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

THERE IS A CHANCE OF THUNDERSTORMS SATURDAY AND SATURDAY NIGHT
AND LATE SUNDAY NIGHT THROUGH THURSDAY.

&&

$$

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