Hazardous Weather Outlook
Issued by NWS Chicago, IL

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000
FLUS43 KLOT 200923
HWOLOT

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
423 AM CDT SAT SEP 20 2014

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
210930-
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-
423 AM CDT SAT SEP 20 2014 /523 AM EDT SAT SEP 20 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...A FEW MAY PRODUCE:
  HAIL TO THE SIZE OF QUARTERS.
  DAMAGING WIND GUSTS IN EXCESS OF 60 MPH.
  LOCALLY HEAVY RAINFALL.

  AREAS AFFECTED AND TIMING:

  ISOLATED SHOWERS AND THUNDERSTORMS EARLY THIS MORNING MAINLY
  WEST OF A PONTIAC TO ROCKFORD LINE. ADDITIONAL STRONGER STORMS
  POSSIBLE BY EARLY AFTERNOON THROUGH THIS EVENING ACROSS ALL
  OF THE OUTLOOK AREA.

  DISCUSSION:

  A MOISTURE RICH AND MILD AIRMASS WILL SLIDE EAST FROM IOWA INTO
  NORTHERN ILLINOIS LATER THIS MORNING. AS THIS OCCURS...AN UPPER
  LEVEL SYSTEM IS EXPECTED TO INITIATE STORMS EARLY THIS MORNING.
  THUNDERSTORMS WILL LIKELY DEVELOP ALONG AND AHEAD OF THE COLD
  FRONT OR FROM PONTIAC TO CHICAGO. THESE THUNDERSTORMS WILL LIKELY
  MOVE EAST DURING THE LATE AFTERNOON AND EARLY EVENING HOURS. THEN
  AS THE UPPER LEVEL SYSTEM SLIDES EAST BY EARLY THIS EVENING...
  STORMS WILL STEADILY DISSIPATE AND WEAKEN IN COVERAGE AND
  INTENSITY FROM WEST TO EAST.

  THE COMBINATION OF STRONG WINDS ALOFT AND COOLER AIR ABOVE THE
  SURFACE...IS EXPECTED TO SUPPORT SOME OF THESE THUNDERSTORMS
  BECOMING STRONG TO POSSIBLY SEVERE. THE MAIN HAZARD FROM
  THE STRONGEST STORMS WILL BE DAMAGING WIND GUSTS THAT COULD EXCEED
  60 MPH AND HAIL NEAR THE SIZE OF QUARTERS.

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

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS MAY BE NEEDED THIS AFTERNOON THROUGH EARLY EVENING.

&&

$$

LMZ740>745-210930-
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-
423 AM CDT SAT SEP 20 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.

STRONG WINDS WILL CONTINUE TO LEAD TO HAZARDOUS CONDITIONS
FOR SMALL CRAFT THROUGH THIS AFTERNOON.

THERE IS A CHANCE OF THUNDERSTORMS THIS AFTERNOON THROUGH THIS
EVENING. SOME OF THESE STORMS MAY PRODUCE WINDS IN EXCESS OF 34
KNOTS.

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

STRONG WINDS AND HIGH WAVES MAY CREATE HAZARDOUS CONDITIONS FOR
SMALL CRAFT SUNDAY LATE MORNING THROUGH MONDAY MORNING...MAINLY
FOR THE ILLINOIS NEARSHORE. GALE FORCE WINDS ARE POSSIBLE FOR THE
INDIANA NEARSHORE EAST OF GARY.

&&

$$

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-210930-
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-
423 AM CDT SAT SEP 20 2014

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

.DAY ONE...TODAY AND TONIGHT.

THERE IS A CHANCE OF THUNDERSTORMS THIS AFTERNOON THROUGH THIS
EVENING. SOME OF THESE STORMS MAY PRODUCE WINDS IN EXCESS OF 34
KNOTS MAINLY ALONG THE SOUTHERN THIRD OF THE LAKE.

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

GALE FORCE WINDS ARE POSSIBLE FOR THE SOUTHERN HALF OF THE LAKE
SUNDAY MORNING THROUGH SUNDAY EVENING.

&&

$$

BEACHLER

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