Alert archive / Illinois / Gale Warnings in 2012

Gale Warning 14, NWS Chicago, IL

February 25, 2012

NWS Chicago, IL issued this gale warning at Feb 25, 2012, 2:59 PM CST. It took effect at Feb 26, 2012, 9:00 AM CST. It was in force for 12 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Feb 25, 2012, 2:59 PM CST (20:59 UTC)
In effect from
Feb 26, 2012, 9:00 AM CST
Expired
Feb 26, 2012, 8:51 PM CST
In force
12 hr
Issued by
NWS Chicago, IL

The text

As transmitted, in the capitals the NWS used until 2016.

818 
WHUS73 KLOT 252059
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
259 PM CST SAT FEB 25 2012

LMZ740>742-260500-
/O.CON.KLOT.SC.Y.0021.000000T0000Z-120225T2200Z/
/O.UPG.KLOT.GL.A.0007.120226T1500Z-120227T0000Z/
/O.NEW.KLOT.GL.W.0014.120226T1500Z-120226T2100Z/
WINTHROP HARBOR TO WILMETTE HARBOR-
WILMETTE HARBOR TO NORTHERLY ISLAND-
NORTHERLY ISLAND TO CALUMET HARBOR-
259 PM CST SAT FEB 25 2012

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM CST THIS
AFTERNOON...
...GALE WARNING IN EFFECT FROM 9 AM TO 3 PM CST SUNDAY...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A GALE
WARNING...WHICH IS IN EFFECT FROM 9 AM TO 3 PM CST SUNDAY. THE
GALE WATCH IS NO LONGER IN EFFECT. 

* WINDS...WEST WINDS TO 15 KT THROUGH THIS AFTERNOON. SOUTH GALES
  TO 35 KT LATE SUNDAY MORNING INTO SUNDAY AFTERNOON.

* WAVES...3 TO 6 FT LATE THIS AFTERNOON. WAVES 4 TO 7 FT SUNDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

A SMALL CRAFT ADVISORY MEANS THAT WINDS OF 22 TO 33 KNOTS AND/OR
WAVES GREATER THAN 4 FT WILL PRODUCE HAZARDOUS WAVE CONDITIONS
FOR SMALL CRAFT. INEXPERIENCED MARINERS...ESPECIALLY THOSE
OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE
CONDITIONS.

&&

$$

LMZ743>745-260500-
/O.CON.KLOT.SC.Y.0021.000000T0000Z-120226T0400Z/
/O.NEW.KLOT.GL.W.0014.120226T1500Z-120226T2100Z/
CALUMET HARBOR TO GARY-GARY TO BURNS HARBOR-
BURNS HARBOR TO MICHIGAN CITY-
259 PM CST SAT FEB 25 2012

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CST THIS
EVENING...
...GALE WARNING IN EFFECT FROM 9 AM TO 3 PM CST SUNDAY...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A GALE
WARNING...WHICH IS IN EFFECT FROM 9 AM TO 3 PM CST SUNDAY. 

* WINDS...WEST WINDS TO 15 KT THROUGH THIS EVENING. SOUTH GALES TO
  35 KT LATE SUNDAY MORNING AND AFTERNOON.

* WAVES...4 TO 7 FT LATE THIS AFTERNOON AND EARLY THIS EVENING.
  WAVES 3 TO 6 FT SUNDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WINDS OF 22 TO 33 KNOTS AND/OR
WAVES GREATER THAN 4 FT WILL PRODUCE HAZARDOUS WAVE CONDITIONS
FOR SMALL CRAFT. INEXPERIENCED MARINERS...ESPECIALLY THOSE
OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE
CONDITIONS.

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-260500-
/O.UPG.KLOT.GL.A.0007.120226T1500Z-120227T0300Z/
/O.NEW.KLOT.GL.W.0014.120226T1500Z-120227T0300Z/
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-
259 PM CST SAT FEB 25 2012

...GALE WARNING IN EFFECT FROM 9 AM TO 9 PM CST SUNDAY...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A GALE
WARNING...WHICH IS IN EFFECT FROM 9 AM TO 9 PM CST SUNDAY. THE
GALE WATCH IS NO LONGER IN EFFECT. 

* WINDS...SOUTH GALES TO 35 KT LATE SUNDAY MORNING THROUGH EARLY
  SUNDAY EVENING.

* WAVES...9 TO 13 FT...WITH OCCASIONAL WAVES TO 18 FT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

MTF
6 follow-up statements
297 
WHUS73 KLOT 260222
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
822 PM CST SAT FEB 25 2012

LMZ743>745-261030-
/O.CON.KLOT.SC.Y.0021.000000T0000Z-120226T0400Z/
/O.CON.KLOT.GL.W.0014.120226T1500Z-120226T2100Z/
CALUMET HARBOR TO GARY-GARY TO BURNS HARBOR-
BURNS HARBOR TO MICHIGAN CITY-
822 PM CST SAT FEB 25 2012

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CST THIS
EVENING...
...GALE WARNING REMAINS IN EFFECT FROM 9 AM TO 3 PM CST SUNDAY...

* WINDS...WEST WINDS TO 15 KT THROUGH THIS EVENING. SOUTH GALES TO 35
  KT LATE SUNDAY MORNING AND AFTERNOON.

* WAVES...4 TO 7 FT EARLY THIS EVENING. WAVES 3 TO 6 FT SUNDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WINDS OF 22 TO 33 KNOTS AND/OR
WAVES GREATER THAN 4 FT WILL PRODUCE HAZARDOUS WAVE CONDITIONS
FOR SMALL CRAFT. INEXPERIENCED MARINERS...ESPECIALLY THOSE
OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE
CONDITIONS.

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-261030-
/O.CON.KLOT.GL.W.0014.120226T1500Z-120227T0300Z/
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-
822 PM CST SAT FEB 25 2012

...GALE WARNING REMAINS IN EFFECT FROM 9 AM TO 9 PM CST SUNDAY...

* WINDS...SOUTH GALES TO 40 KT LATE SUNDAY MORNING THROUGH EARLY
  SUNDAY EVENING.

* WAVES...10 TO 14 FT...WITH OCCASIONAL WAVES TO 18 FT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

LMZ740>742-261030-
/O.CON.KLOT.GL.W.0014.120226T1500Z-120226T2100Z/
WINTHROP HARBOR TO WILMETTE HARBOR-
WILMETTE HARBOR TO NORTHERLY ISLAND-
NORTHERLY ISLAND TO CALUMET HARBOR-
822 PM CST SAT FEB 25 2012

...GALE WARNING REMAINS IN EFFECT FROM 9 AM TO 3 PM CST SUNDAY...

* WINDS...SOUTH GALES TO 35 KT LATE SUNDAY MORNING INTO SUNDAY
  AFTERNOON.

* WAVES...WAVES 4 TO 7 FT SUNDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

A SMALL CRAFT ADVISORY MEANS THAT WINDS OF 22 TO 33 KNOTS AND/OR
WAVES GREATER THAN 4 FT WILL PRODUCE HAZARDOUS WAVE CONDITIONS
FOR SMALL CRAFT. INEXPERIENCED MARINERS...ESPECIALLY THOSE
OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE
CONDITIONS.

&&

$$

RATZER
497 
WHUS73 KLOT 260945
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
345 AM CST SUN FEB 26 2012

LMZ740>745-261745-
/O.EXT.KLOT.GL.W.0014.120226T1500Z-120227T0000Z/
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-
345 AM CST SUN FEB 26 2012

...GALE WARNING NOW IN EFFECT FROM 9 AM THIS MORNING TO 6 PM CST
THIS EVENING...

* WINDS...SOUTH GALES TO 35 KT LATE THIS MORNING THROUGH THIS
  AFTERNOON. 

* WAVES...WAVES 6 TO 9 FT ACROSS THE ILLINOIS NEARSHORE WATERS
  TODAY AND 3 TO 6 FT ACROSS THE INDIANA NEARSHORE WATERS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED
THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR
TO THE ONSET OF GALE CONDITIONS.

&&

$$

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-261745-
/O.CON.KLOT.GL.W.0014.120226T1500Z-120227T0300Z/
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-
345 AM CST SUN FEB 26 2012

...GALE WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 9 PM
CST THIS EVENING...

* WINDS...SOUTH GALES TO 40 KT LATE THIS MORNING THROUGH EARLY
  THIS EVENING. GALE FORCE GUSTS TO 35 KT ARE POSSIBLE TONIGHT AND
  MONDAY MORNING. THE GALE WARNING MAY NEED TO BE EXTENDED.

* WAVES...12 TO 16 FT...WITH OCCASIONAL WAVES TO 20 FT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

MDB
824 
WHUS73 KLOT 261529
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
929 AM CST SUN FEB 26 2012

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-262330-
/O.CON.KLOT.GL.W.0014.000000T0000Z-120227T0300Z/
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-
929 AM CST SUN FEB 26 2012

...GALE WARNING REMAINS IN EFFECT UNTIL 9 PM CST THIS EVENING...

* WINDS...SOUTHEAST GALES TO 40 KT LATE THIS MORNING BECOMING
  SOUTH THIS AFTERNOON OVER THE NORTH HALF OF THE LAKE AND SOUTH
  GALES TO 40 KT LATE THIS MORNING THROUGH EARLY THIS EVENING OVER
  THE SOUTH HALF OF THE LAKE. GALE FORCE GUSTS TO 35 KT ARE
  POSSIBLE TONIGHT AND MONDAY MORNING. THE GALE WARNING MAY NEED
  TO BE EXTENDED.

* WAVES...12 TO 16 FT...WITH OCCASIONAL WAVES TO 20 FT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

LMZ740>745-262330-
/O.CON.KLOT.GL.W.0014.000000T0000Z-120227T0000Z/
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-
929 AM CST SUN FEB 26 2012

...GALE WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING...

* WINDS...SOUTH GALES TO 35 KT LATE THIS MORNING THROUGH THIS  
AFTERNOON.

* WAVES...WAVES 6 TO 9 FT ACROSS THE ILLINOIS NEARSHORE WATERS  
TODAY AND 3 TO 6 FT ACROSS THE INDIANA NEARSHORE WATERS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

JEE
386 
WHUS73 KLOT 262138
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
338 PM CST SUN FEB 26 2012

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-270400-
/O.EXT.KLOT.GL.W.0014.000000T0000Z-120227T0400Z/
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-
338 PM CST SUN FEB 26 2012

...GALE WARNING NOW IN EFFECT UNTIL 10 PM CST THIS EVENING...

* WINDS...SOUTH GALES TO 35 KT.

* WAVES...10 TO 14 FT...WITH OCCASIONAL WAVES TO 20 FT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

LMZ740>745-270000-
/O.CON.KLOT.GL.W.0014.000000T0000Z-120227T0000Z/
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-
338 PM CST SUN FEB 26 2012

...GALE WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING...

* WINDS...SOUTHWEST GALES TO 35 KT.

* WAVES...WAVES 5 TO 8 FT ACROSS THE ILLINOIS NEARSHORE WATERS
  TONIGHT AND 2 TO 4 FT ACROSS THE INDIANA NEARSHORE WATERS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

JEE
219 
WHUS73 KLOT 262354
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
554 PM CST SUN FEB 26 2012

LMZ740>745-270400-
/O.EXP.KLOT.GL.W.0014.000000T0000Z-120227T0000Z/
/O.NEW.KLOT.SC.Y.0022.120227T0000Z-120227T0400Z/
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-
554 PM CST SUN FEB 26 2012

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CST THIS EVENING...
...GALE WARNING WILL EXPIRE AT 6 PM CST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A SMALL CRAFT
ADVISORY...WHICH IS IN EFFECT UNTIL 10 PM CST THIS EVENING. 

* WINDS...SOUTHWEST WINDS TO 25 KT.

* WAVES...WAVES 4 TO 7 FT ACROSS THE ILLINOIS NEARSHORE WATERS AND
  2 TO 4 FT ACROSS THE INDIANA NEARSHORE WATERS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WINDS OF 22 TO 33 KNOTS AND/OR
WAVES GREATER THAN 4 FT WILL PRODUCE HAZARDOUS WAVE CONDITIONS
FOR SMALL CRAFT. INEXPERIENCED MARINERS...ESPECIALLY THOSE
OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE
CONDITIONS.

&&

$$

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-270400-
/O.CON.KLOT.GL.W.0014.000000T0000Z-120227T0400Z/
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-
554 PM CST SUN FEB 26 2012

...GALE WARNING REMAINS IN EFFECT UNTIL 10 PM CST THIS EVENING...

* WINDS...SOUTH GALES TO 35 KT.

* WAVES...10 TO 14 FT...WITH OCCASIONAL WAVES TO 20 FT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

MTF
070 
WHUS73 KLOT 270251
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
851 PM CST SUN FEB 26 2012

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-270400-
/O.CAN.KLOT.GL.W.0014.000000T0000Z-120227T0400Z/
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-
851 PM CST SUN FEB 26 2012

...GALE WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS CANCELLED THE GALE
WARNING. 

$$

LMZ740>745-270400-
/O.CON.KLOT.SC.Y.0022.000000T0000Z-120227T0400Z/
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-
851 PM CST SUN FEB 26 2012

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CST THIS
EVENING...

* WINDS...SOUTHWEST WINDS TO 25 KT.

* WAVES...WAVES 4 TO 7 FT ACROSS THE ILLINOIS NEARSHORE WATERS AND
  2 TO 4 FT ACROSS THE INDIANA NEARSHORE WATERS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WINDS OF 22 TO 33 KNOTS AND/OR
WAVES GREATER THAN 4 FT WILL PRODUCE HAZARDOUS WAVE CONDITIONS
FOR SMALL CRAFT. INEXPERIENCED MARINERS...ESPECIALLY THOSE
OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE
CONDITIONS.

&&

$$

BMD

What forecasters said that day

The local office's own words before this gale warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Chicago, IL wrote its last area forecast discussion before this gale warning went out at Feb 25, 2:17 PM CST, 42 minutes earlier.

Area forecast discussion, Feb 25, 2:17 PM CST, 42 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
217 PM CST SAT FEB 25 2012

.DISCUSSION...
330 AM CST

MODELS KEEP THE ACTIVE NORTHERN JET STEAM PERSISTING THROUGH AT
LEAST THE NEXT 7 DAYS. LOOP OF WATER VAPOR SATELLITE IMAGES SHOWS
MULTIPLE UPPER TROUGHS FROM THE WESTERN PACIFIC ACROSS NORTH
AMERICA TO THE NORTH ATLANTIC...SPACED AT ABOUT 30 DEG LONGITUDE.
EXPECT BENIGN WEATHER FOR THE WEEKEND THEN MULTIPLE THREATS FOR
PRECIPITATION DURING THE WORK WEEK AS THE PARADE OF STORM SYSTEMS
CONTINUES TO MARCH ACROSS SOUTHERN CANADA AND NORTHERN U.S.A.

SYSTEM THAT BROUGHT RAIN AND SNOW TO THE LOCAL AREA DURING LATER
THU INTO FRI HAS LIFTED OUT OF THE GREAT LAKES AND IS CURRENTLY
OVER SOUTHERN QUEBEC. SATELLITE SHOWS A COUPLE OF SHORT WAVE
TROUGHS FOLLOWING IT. THE FIRST RUNS FROM SW WI TO NE MO...WHILE
THE SECOND IS FURTHER UPSTREAM NEAR THE SOUTHERN MANITOBA-ONTARIO
BORDER. SATELLITE SHOWS PATCHY STRATOCUMULUS AND LIGHT SNOW
SHOWERS AND SNOW FLURRIES BEING GENERATED BY THESE FEATURES.

THE CLOSER SHORT WAVE TROUGH IS PROGGED TO CROSS THE AREA THIS
MORNING ON ITS WAY TO THE OH VALLEY BY AFTERNOON. THE MORE
NORTHERN SHORT WAVE TROUGH IS PROGGED TO WEAKEN AS WELL AS BE
DEFLECTED FURTHER E ACROSS LAKE SUPERIOR AND NORTHERN LAKE HURON
AS A RESULT OF UPPER RIDGING BUILDING E ACROSS THE PLAINS. THIS
RIDGING WILL BE AHEAD OF THE NEXT MAJOR SYSTEM...WHO/S TROUGH
AXIS IS OVER THE BRITISH COLUMBIA AND PACIFIC NW COASTS EARLY THIS
MORNING...AS IT MOVES TO THE ROCKIES BY 00Z SUN. THEREFORE...
EXPECT SOMEWHAT VARIABLE SKY COVER THIS MORNING AS AREAS OF
STRATOCU PASS OVER...ALONG WITH SOME LIGHT SNOW SHOWERS AND
FLURRIES FROM THE DISTURBANCE MOVING SE FROM THE MID MS VALLEY
DURING THE FIRST PART OF TODAY. DURING THE AFTERNOON IT IS
EXPECTED TO BE MOSTLY SUNNY/PARTLY CLOUDY.

GIVEN OVERALL POOR PERFORMANCE OF MODELS HANDLING STORM SYSTEMS
AS OF LATE ALL SHOULD BE HESITANT OF LATCHING ONTO ANY ONE
SCENARIO FOR ANY OF THESE SYSTEMS AS SIGNIFICANT CHANGES ARE
LIKELY WITH THE LATER MODEL RUNS.

WITH THE SYSTEM THAT WILL BE CROSSING THE PLAINS TONIGHT...AND
THE UPPER MIDWEST AND NORTHERN GREAT LAKES DURING SUN AND SUN
EVENING...MODELS ARE IN GOOD AGREEMENT AS ARE THE INDIVIDUAL
ENSEMBLE MEMBERS IN TAKING THE UPPER LOW E FROM ND TO NORTHERN
LAKE SUPERIOR...AND THE ASSOCIATED SURFACE LOW FROM THE EASTERN
ND-SD BORDER TO THE U.P. OF MI. TIGHT CLUSTERING OF MODEL
SOLUTIONS LEADS TO HIGH CONFIDENCE IN THESE SOLUTIONS. THIS KEEPS
THE LOCAL AREA DRY TONIGHT ANS SUN WITH MOS GUIDANCE POP NUMBERS
IN THE SINGLE DIGITS AND NO MODEL QPF S OF THE WI BORDER. RAIN AND
SNOW TO BE OCCURRING FURTHER N AS STRONG WARM AIR ADVECTION SHIFTS
E OVER THE UPPER MIDWEST AND NORTHERN GREAT LAKES LATER TODAY AND
TONIGHT.

SUNDAY TO BE BREEZY AND MILD WITH STRONG S-SW FLOW OCCURRING
ACROSS THE AREA. SOME DIFFERENCE IN MOS GUIDANCE MAX TEMPS FOR
SUN WITH GFS MAV OUTPUT WARMER THAN NAM MET NUMBERS. ACROSS
SOUTHERN PARTS OF THE FORECAST AREA THIS DIFFERENCE IS ONLY A
COUPLE OF DEGREES F BUT ACROSS THE NORTHERN COUNTIES THERE IS A
5 TO 7 DEG F DIFFERENCE AS IT APPEARS THE MET GUIDANCE IS TRYING
TO ACCOUNT FOR SNOW COVER. GENERALLY FOLLOWED THE WARMER GFS
ACROSS THE S AND TRENDED TOWARD THE COOLER NAM THE FURTHER N
TOWARD THE WI LINE.

NEXT SYSTEM TO BRING A THREAT OF PRECIPITATION TO THE AREA IS
PROGGED TO MOVE ONTO THE WEST COAST SUN NIGHT AND EARLY MON
MORNING...THEN EJECT ENE ACROSS THE PLAINS TO THE SOUTHERN
MN-NORTHERN IA AREA BY 12Z WED. OUT AT THIS FORECAST HOUR THE
MODELS ARE SHOWING SOME DIVERGENCE IN SOLUTIONS THOUGH ENSEMBLE
MEMBERS SHOW A DECENT CLUSTERING OF SURFACE LOW POSITIONS ON/NEAR
THE IA-MN BORDER AT 12Z WED. GIVEN THIS OR A SIMILAR TRACK OF THE
UPPER LOW AND ITS SURFACE LOW THE AREA WILL BE IN THE WARM SECTOR
TUE AND TUE NIGHT SO ALL RAIN IS FORECAST FOR THE WHOLE AREA.

MADE SOME ADJUSTMENT TO BUT HAVE KEPT THE MENTION OF
THUNDERSTORMS IN THE FORECAST FOR TUE AFTERNOON AND NIGHT AS
MODELS SHOWING STEEP MID LEVEL LAPSE RATES MOVE OVER THE AREA...
SURFACE DEW POINTS OF AROUND 50 REACHING INTO THE SOUTHERN
COUNTIES OF THE FORECAST AREA...AND THE LEFT EXIT OF A 120-130KT
UPPER JET MAX ROTATING AROUND THE BASE OF THE UPPER LOW TO MOVE
ACROSS CENTRAL AND NE IL TUE NIGHT.

MODELS DEPICT LOW LEVEL COLD AIR ADVECTION OCCURRING DURING WED
AS THE SURFACE LOW MOVES E OF THE AREA. WITH THE MID AND UPPER
LEVEL LOWS STILL OVER/NEAR THE LOCAL FORECAST AREA INTO TUE
EVENING EXPECT PRECIPITATION TO BE CHANGING OVER TO SNOW ACROSS
THE FAR WESTERN PORTION OF THE FORECAST AREA OVERNIGHT TUE.

THE NEXT LARGE SCALE DISTURBANCE IS TO LIFT FROM THE PLAINS
NORTHEASTWARD ACROSS THE MID MS VALLEY...UPPER MIDWEST AND
WESTERN GREAT LAKES DURING FRI. WITH THE MODELS SHOWING SOME
LARGE VARIATIONS IN HOW THIS SYSTEM IS TO PLAY OUT HAVE GONE FOR
A RATHER GENERIC CHANCE OF RAIN...AND OF RAIN AND SNOW FOR FRI.

AFTER A MILD DAY SUN...THE PASSAGE OF MULTIPLE STORM SYSTEMS WILL
KEEP THE AREA AT OR A BIT ABOVE NORMAL TEMPERATURE-WISE.

TRS

&&

.AVIATION...

//ORD AND MDW CONCERNS...UPDATED 21Z...

* SOUTH SOUTHEAST GUSTS TO 30 KT BY LATE SUNDAY MORNING.

* SOUTHWEST WINDS AT 1500 FT-3000 FT UP TO OR IN EXCESS OF 50 KT
  FOR A BRIEF PERIOD DURING LATE SUNDAY MORNING INTO EARLY
  AFTERNOON...POTENTIALLY CREATING LOW-LEVEL WIND SHEAR.

//DISCUSSION...UPDATED 18Z...

AN IMPRESSIVELY EXPANSIVE AND DEEP LOW PRESSURE OVER NEW BRUNSWICK
CONTINUES TO OFFER A PRESSURE GRADIENT FOR WEST NORTHWEST FLOW
OVER THE AREA THIS AFTERNOON. SPORADIC GUSTS TO 20 KT ARE POSSIBLE
AT TAF SITES THIS AFTERNOON. A QUICK MOVING HIGH PRESSURE RIDGE
TRANSLATES OVER THE AREA THIS EVENING AND EARLY OVERNIGHT
DIMINISHING AND BACKING WINDS. LOW PRESSURE WILL APPROACH ACROSS
THE UPPER MIDWEST ON SUNDAY WITH A QUICKLY TIGHTENING PRESSURE
GRADIENT ACROSS THE AREA. JUST THIS ALONE WILL SUPPORT HIGH
SOUTHERLY SUSTAINED WINDS...WITH GUSTS A BIT MORE CHALLENGING
DUE TO SNOW COVER ACROSS NORTHERN TAF SITES POTENTIALLY LIMITING
MIXING. IF MIXING WERE TO BE AS FULL...GUSTS TO 35 KT WOULD BE
PROBABLE. AT THIS TIME EXPECT SOME LIMITING AT ORD...DPA...AND
RFD WHERE THE FRESH SNOW COVER IS THE DEEPEST. THE WINDS WILL
SLOWLY VEER THROUGH THE DAY TOMORROW. ALOFT...A LOW-LEVEL JET WILL
LIKELY MAXIMIZE TO 50 TO 55 KT DURING THE MID-MORNING THROUGH
EARLY AFTERNOON AT AROUND 1500 TO 3000 FT.

//ORD AND MDW CONFIDENCE...UPDATED 21Z...

* HIGH CONFIDENCE ON WIND TRENDS THROUGH DAYBREAK SUNDAY.

* MODERATE CONFIDENCE ON GUST MAGNITUDE DURING SUNDAY.

* HIGH CONFIDENCE ON SOUTHWEST WINDS IN EXCESS OF 50 KT AT
  1500-3000 FT FOR A BRIEF PERIOD DURING LATE SUNDAY MORNING INTO
  EARLY AFTERNOON...POTENTIALLY CREATING LOW-LEVEL WIND SHEAR.

//OUTLOOK FOR ORD/MDW FOR 00Z MONDAY-12Z SATURDAY...UPDATED 12Z...

SUNDAY NIGHT...VFR.

MONDAY...VFR.

TUESDAY...CHANCE OF RAIN...POSSIBLE MVFR.

WEDNESDAY...CHANCE OF RAIN/SNOW...POSSIBLE MVFR.

THURSDAY...VFR.

FRIDAY...CHANCE OF RAIN/SNOW...MVFR POSSIBLE.

MTF

&&

.MARINE...
215 PM CST

AN ACTIVE PROGRESSION OF WEATHER SYSTEMS ACROSS THE NORTHERN U.S.
WILL KEEP WINDS AND WAVES ACTIVE OVER LAKE MI THIS COMING WEEK. THE
FIRST SYSTEM APPROACHES ACROSS THE UPPER PLAINS ON SUNDAY WITH
STRONG SOUTHERLY WINDS RAMPING UP QUICKLY AFTER DAYBREAK. STABILITY
OVER THE OPEN WATER LOOKS TO BE A MINIMAL ISSUE WITH WINDS AT THE
LOWER END OF STORM FORCE JUST 1000 TO 1500 FT OF THE SURFACE.
EXPECT THAT GALES WILL MAX OUT AROUND 40 KT OVER THE CENTRAL PART OF
THE LAKE NEAR EARLY AFTERNOON...BUT A FEW 45 KT GUSTS CANNOT BE
RULED OUT. ACROSS THE NEAR SHORE AREAS CONFIDENCE IS A LITTLE LESS
WITH A LARGE COMPONENT BEING OFFSHORE. MOST OF THE GROUND ACROSS
UPSTREAM NORTHWEST INDIANA IS SNOW FREE SO WARMING SHOULD STEEPEN
THE LAPSE RATES TO ADVECT OVER THE LAKE. A 4 TO 6 HOUR PERIOD OF
GALE FORCE GUSTS OVER NEAR SHORE AREAS LOOK LIKELY DURING THE LATE
MORNING AND EARLY AFTERNOON. THE LOW WILL PASS NORTH OF LAKE
MICHIGAN LATE SUNDAY NIGHT/EARLY MONDAY SWEEPING A COLD FRONT ACROSS
THE LAKE. THIS TOO MAY BRING A BRIEF PERIOD OF GALES ACROSS THE OPEN
WATER. THE NEXT SYSTEM WILL APPROACH THE LAKE LATER TUESDAY INTO
TUESDAY NIGHT...BRINGING ONCE AGAIN RETURN FLOW. CONFIDENCE WITH
THIS SYSTEM IS LOW AT THIS TIME...BUT A PERIOD OF GALES IS POSSIBLE
SOMETIME TUESDAY NIGHT THROUGH EARLY THURSDAY.

MTF

&&

.LOT WATCHES/WARNINGS/ADVISORIES...
IL...NONE.
IN...NONE.
LM...SMALL CRAFT ADVISORY...INDIANA NEARSHORE WATERS UNTIL 10 PM SATURDAY.

     GALE WARNING...LMZ740-LMZ741-LMZ742-LMZ743-LMZ744-LMZ745...9 AM
     SUNDAY TO 3 PM SUNDAY.

     SMALL CRAFT ADVISORY...ILLINOIS NEARSHORE WATERS UNTIL 4 PM SATURDAY.

     GALE WARNING...LMZ080-LMZ261-LMZ362-LMZ364-LMZ366-LMZ563-LMZ565-
     LMZ567-LMZ669-LMZ671-LMZ673-LMZ675-LMZ777-LMZ779-LMZ868-
     LMZ870-LMZ872-LMZ874-LMZ876-LMZ878...9 AM SUNDAY TO 9 PM
     SUNDAY.

&&
Hazardous weather outlook, Feb 25, 9:49 AM CST, 5 hours 10 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
949 AM CST SAT FEB 25 2012

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
261030-
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-
949 AM CST SAT FEB 25 2012 /1049 AM EST SAT FEB 25 2012/

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

.DAY ONE...THIS AFTERNOON.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

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

SOUTHERLY WIND GUSTS OF 35 TO 40 MPH ARE POSSIBLE ON SUNDAY...
FROM LATE MORNING THROUGH LATE AFTERNOON.

THERE IS A CHANCE OF THUNDERSTORMS SOUTH OF I-80 TUESDAY
AFTERNOON...AND ACROSS THE AREA TUESDAY NIGHT.

A STRONG EARLY SPRING SYSTEM IS FORECAST TO DEVELOP ACROSS THE
MIDWEST. WHILE THERE REMAINS UNCERTAINTY THIS FAR OUT...RIGHT NOW
THERE IS AT LEAST A SMALL CHANCE THAT ANY STORMS THAT DEVELOP
TUESDAY AFTERNOON AND NIGHT COULD TURN SEVERE AS WELL AS
POTENTIALLY PRODUCING HEAVY RAINFALL.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.

&&

COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO
WEBPAGE: WEATHER.GOV/CHICAGO

LMZ740>745-261030-
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-
949 AM CST SAT FEB 25 2012

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.

STRONG WINDS AND HIGH WAVES WILL PRODUCE HAZARDOUS CONDITIONS
FOR SMALL CRAFT ON THE ILLINOIS WATERS THIS AFTERNOON...AND ON
THE INDIANA WATERS UNTIL LATE THIS EVENING.

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

STRONG WINDS AND HIGH WAVES WILL LEAD TO HAZARDOUS CONDITIONS FOR
SMALL CRAFT SUNDAY AND EARLY SUNDAY EVENING.

&&

COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO
WEBPAGE: WEATHER.GOV/CHICAGO

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-261030-
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-
949 AM CST SAT FEB 25 2012

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

.DAY ONE...THIS AFTERNOON.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

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

SOUTH WINDS ARE EXPECTED TO INCREASE TO GALES ACROSS THE LAKE
SUNDAY...AND PERSIST INTO SUNDAY EVENING.

&&

COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO
WEBPAGE: WEATHER.GOV/CHICAGO

MTF

The office that day

Everything else NWS Chicago, IL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 25, 3:34 AM CSTGale WatchLOT11 hr

Nearby

Gale Warnings in Illinois, 2012Every gale warning in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.