Alert archive / Illinois / Gale Warnings in 2012

Gale Warning 12, NWS Chicago, IL

February 10, 2012

NWS Chicago, IL issued this gale warning at Feb 10, 2012, 2:40 AM CST. It took effect at Feb 10, 2012, 6:00 AM CST. It was in force for 27 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 10, 2012, 2:40 AM CST (08:40 UTC)
In effect from
Feb 10, 2012, 6:00 AM CST
Expired
Feb 11, 2012, 9:14 AM CST
In force
27 hr
Issued by
NWS Chicago, IL

The text

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

307 
WHUS73 KLOT 100840
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
240 AM CST FRI FEB 10 2012

LMZ261-362-364-563-101645-
/O.CAN.KLOT.GL.W.0011.000000T0000Z-120210T0900Z/
/O.NEW.KLOT.GL.W.0012.120210T1200Z-120211T1200Z/
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 ROCK ISLAND PASSAGE TO STURGEON BAY WI-
240 AM CST FRI FEB 10 2012

...GALE WARNING IN EFFECT FROM 6 AM THIS MORNING TO 6 AM CST
SATURDAY...
...GALE WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A GALE
WARNING...WHICH IS IN EFFECT FROM 6 AM THIS MORNING TO 6 AM CST
SATURDAY. 

THE GALE WARNING FOR EARLY THIS MORNING HAS BEEN CANCELLED. 

* WINDS...NORTH GALES TO 35 KT THROUGH LATE THIS EVENING.

* WAVES...BUILDING TO 12 TO 16 FT WITH OCCASIONAL WAVES TO 24 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.

&&

$$

LMZ743>745-101645-
/O.EXT.KLOT.SC.Y.0016.000000T0000Z-120210T2100Z/
/O.NEW.KLOT.GL.W.0012.120210T2100Z-120211T1800Z/
/O.NEW.KLOT.SC.Y.0017.120211T1800Z-120212T2000Z/
CALUMET HARBOR TO GARY-GARY TO BURNS HARBOR-
BURNS HARBOR TO MICHIGAN CITY-
240 AM CST FRI FEB 10 2012

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 PM CST THIS
AFTERNOON...
...GALE WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO NOON CST
SATURDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON SATURDAY TO 2 PM CST
SUNDAY...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A GALE
WARNING...WHICH IS IN EFFECT FROM 3 PM THIS AFTERNOON TO NOON CST
SATURDAY. A SMALL CRAFT ADVISORY HAS ALSO BEEN ISSUED. THIS SMALL
CRAFT ADVISORY IS IN EFFECT FROM NOON SATURDAY TO 2 PM CST
SUNDAY. 

* WINDS...SOUTHWEST WINDS TO 25 KT BECOMING NORTHWEST GALES TO 35
  KT THIS AFTERNOON. 

* WAVES...BUILDING TO 8 TO 12 FT BY FRIDAY NIGHT WITH OCCASIONAL
  WAVES TO 16 FT.

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.

&&

$$

LMZ366-565-101645-
/O.NEW.KLOT.GL.W.0012.120210T1200Z-120211T1200Z/
LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5 NM OFFSHORE TO
MID LAKE-
240 AM CST FRI FEB 10 2012

...GALE WARNING IN EFFECT FROM 6 AM THIS MORNING TO 6 AM CST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A GALE
WARNING...WHICH IS IN EFFECT FROM 6 AM THIS MORNING TO 6 AM CST
SATURDAY. 

* WINDS...NORTH GALES TO 35 KT.

* WAVES...TO 12 TO 16 FT WITH OCCASIONAL WAVES TO 24 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.

&&

$$

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-101645-
/O.NEW.KLOT.GL.W.0012.120210T1900Z-120211T1500Z/
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 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-
240 AM CST FRI FEB 10 2012

...GALE WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 9 AM CST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A GALE
WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 9 AM CST
SATURDAY. 

* WINDS...NORTH GALES TO 35 KT.

* WAVES...TO 12 TO 16 FT WITH OCCASIONAL WAVES TO 24 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>742-101645-
/O.CON.KLOT.SC.Y.0016.000000T0000Z-120211T2300Z/
WINTHROP HARBOR TO WILMETTE HARBOR-
WILMETTE HARBOR TO NORTHERLY ISLAND-
NORTHERLY ISLAND TO CALUMET HARBOR-
240 AM CST FRI FEB 10 2012

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM CST
SATURDAY...

* WINDS...SOUTHWEST WINDS TO 25 KT BECOMING NORTHWEST AND  
  INCREASING TO 30 KT THIS AFTERNOON. OCCASIONAL GALE FORCE  
  GUSTS POSSIBLE.

* WAVES...BUILDING TO 6 TO 9 FT WITH OCCASIONAL WAVES TO 12 FT.

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.

&&

$$

KREIN
6 follow-up statements
705 
WHUS73 KLOT 101541
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
941 AM CST FRI FEB 10 2012

LMZ743>745-102345-
/O.CON.KLOT.SC.Y.0016.000000T0000Z-120210T2100Z/
/O.CON.KLOT.GL.W.0012.120210T2100Z-120211T1800Z/
/O.CON.KLOT.SC.Y.0017.120211T1800Z-120212T2000Z/
CALUMET HARBOR TO GARY-GARY TO BURNS HARBOR-
BURNS HARBOR TO MICHIGAN CITY-
941 AM CST FRI FEB 10 2012

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST THIS
AFTERNOON...
...GALE WARNING REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO
NOON CST SATURDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM NOON SATURDAY TO
2 PM CST SUNDAY...

* WINDS...SOUTHWEST WINDS TO 25 KT BECOMING NORTHWEST GALES TO 35  KT
  THIS AFTERNOON.

* WAVES...BUILDING TO 14 TO 18 FT BY TONIGHT WITH OCCASIONAL WAVES
  TO 22 FT.

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.

&&

$$

LMZ261-362-364-366-563-565-102345-
/O.CON.KLOT.GL.W.0012.000000T0000Z-120211T1200Z/
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-
941 AM CST FRI FEB 10 2012

...GALE WARNING REMAINS IN EFFECT UNTIL 6 AM CST SATURDAY...

* WINDS...NORTH GALES TO 35 KT.

* WAVES...12 TO 16 FT WITH OCCASIONAL WAVES TO 24 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.

&&

$$

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-102345-
/O.CON.KLOT.GL.W.0012.120210T1900Z-120211T1500Z/
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 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-
941 AM CST FRI FEB 10 2012

...GALE WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
9 AM CST SATURDAY...

* WINDS...NORTH GALES TO 35 KT.

* WAVES...TO 12 TO 16 FT WITH OCCASIONAL WAVES TO 24 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>742-102345-
/O.CON.KLOT.SC.Y.0016.000000T0000Z-120211T2300Z/
WINTHROP HARBOR TO WILMETTE HARBOR-
WILMETTE HARBOR TO NORTHERLY ISLAND-
NORTHERLY ISLAND TO CALUMET HARBOR-
941 AM CST FRI FEB 10 2012

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM CST
SATURDAY...

* WINDS...SOUTHWEST WINDS TO 25 KT BECOMING NORTHWEST AND
  INCREASING TO 30 KT THIS AFTERNOON. OCCASIONAL GALE FORCE GUSTS
  POSSIBLE LATE THIS AFTERNOON.

* WAVES...BUILDING TO 7 TO 10 FT WITH OCCASIONAL WAVES TO 15 FT.

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.

&&

$$

KJB
112 
WHUS73 KLOT 102135
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
335 PM CST FRI FEB 10 2012

LMZ743>745-110545-
/O.EXT.KLOT.GL.W.0012.000000T0000Z-120211T1600Z/
/O.EXT.KLOT.SC.Y.0017.120211T1600Z-120212T2000Z/
CALUMET HARBOR TO GARY-GARY TO BURNS HARBOR-
BURNS HARBOR TO MICHIGAN CITY-
335 PM CST FRI FEB 10 2012

...GALE WARNING NOW IN EFFECT UNTIL 10 AM CST SATURDAY...
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 10 AM SATURDAY TO 2 PM
CST SUNDAY...

* WINDS...NORTH GALES TO 35 KT WITH OCCASIONAL GALES TO 40 KT TONIGHT.

* WAVES...BUILDING TO 14 TO 18 FT TONIGHT WITH OCCASIONAL WAVES
  TO 22 FT.

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.

&&

$$

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-110545-
/O.CON.KLOT.GL.W.0012.000000T0000Z-120211T1500Z/
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 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-
335 PM CST FRI FEB 10 2012

...GALE WARNING REMAINS IN EFFECT UNTIL 9 AM CST SATURDAY...

* WINDS...NORTH GALES TO 35 KT.

* WAVES...12 TO 16 FT WITH OCCASIONAL WAVES TO 24 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.

&&

$$

LMZ261-362-364-366-563-565-110545-
/O.CON.KLOT.GL.W.0012.000000T0000Z-120211T1200Z/
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-
335 PM CST FRI FEB 10 2012

...GALE WARNING REMAINS IN EFFECT UNTIL 6 AM CST SATURDAY...

* WINDS...NORTH GALES TO 35 KT. OCCASIONAL GUSTS TO 40 KT GALES.

* WAVES...14 TO 18 FT WITH OCCASIONAL WAVES TO 26 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>742-110545-
/O.EXT.KLOT.SC.Y.0016.000000T0000Z-120212T1200Z/
WINTHROP HARBOR TO WILMETTE HARBOR-
WILMETTE HARBOR TO NORTHERLY ISLAND-
NORTHERLY ISLAND TO CALUMET HARBOR-
335 PM CST FRI FEB 10 2012

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 AM CST SUNDAY...

* WINDS...NORTHWEST TO 30 KT. OCCASIONAL GALE FORCE GUSTS TONIGHT.

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

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.

&&

$$

KJB
042 
WHUS73 KLOT 110127
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
727 PM CST FRI FEB 10 2012

LMZ740>742-110930-
/O.UPG.KLOT.SC.Y.0016.000000T0000Z-120212T1200Z/
/O.EXB.KLOT.GL.W.0012.000000T0000Z-120211T1000Z/
/O.EXB.KLOT.SC.Y.0017.120211T1000Z-120212T1200Z/
WINTHROP HARBOR TO WILMETTE HARBOR-
WILMETTE HARBOR TO NORTHERLY ISLAND-
NORTHERLY ISLAND TO CALUMET HARBOR-
727 PM CST FRI FEB 10 2012

...GALE WARNING IN EFFECT UNTIL 4 AM CST SATURDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM SATURDAY TO 6 AM CST
SUNDAY...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A GALE
WARNING...WHICH IS IN EFFECT UNTIL 4 AM CST SATURDAY. A SMALL
CRAFT ADVISORY IS IN EFFECT FROM 4 AM SATURDAY TO 6 AM CST
SUNDAY.

* WINDS...NORTHWEST GALES TO 40 KT. 

* WAVES...BUILDING TO 10 TO 14 FT WITH OCCASIONAL WAVES TO 21 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.

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>745-110930-
/O.CON.KLOT.GL.W.0012.000000T0000Z-120211T1600Z/
/O.CON.KLOT.SC.Y.0017.120211T1600Z-120212T2000Z/
CALUMET HARBOR TO GARY-GARY TO BURNS HARBOR-
BURNS HARBOR TO MICHIGAN CITY-
727 PM CST FRI FEB 10 2012

...GALE WARNING REMAINS IN EFFECT UNTIL 10 AM CST SATURDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 AM SATURDAY TO
2 PM CST SUNDAY...

* WINDS...NORTH GALES TO 40 KT TONIGHT.

* WAVES...BUILDING TO 14 TO 18 FT TONIGHT WITH OCCASIONAL WAVES  
TO 27 FT.

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.

&&

$$

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-110930-
/O.CON.KLOT.GL.W.0012.000000T0000Z-120211T1500Z/
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 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-
727 PM CST FRI FEB 10 2012

...GALE WARNING REMAINS IN EFFECT UNTIL 9 AM CST SATURDAY...

* WINDS...NORTH GALES TO 35 KT.

* WAVES...12 TO 16 FT WITH OCCASIONAL WAVES TO 24 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.

&&

$$

LMZ261-362-364-366-563-565-110930-
/O.CON.KLOT.GL.W.0012.000000T0000Z-120211T1200Z/
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-
727 PM CST FRI FEB 10 2012

...GALE WARNING REMAINS IN EFFECT UNTIL 6 AM CST SATURDAY...

* WINDS...NORTH GALES TO 40 KT.

* WAVES...14 TO 18 FT WITH OCCASIONAL WAVES TO 27 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.

&&

$$

ALLSOPP
988 
WHUS73 KLOT 110307
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
907 PM CST FRI FEB 10 2012

LMZ740>742-111115-
/O.CON.KLOT.GL.W.0012.000000T0000Z-120211T1000Z/
/O.CON.KLOT.SC.Y.0017.120211T1000Z-120212T1200Z/
WINTHROP HARBOR TO WILMETTE HARBOR-
WILMETTE HARBOR TO NORTHERLY ISLAND-
NORTHERLY ISLAND TO CALUMET HARBOR-
907 PM CST FRI FEB 10 2012

...GALE WARNING REMAINS IN EFFECT UNTIL 4 AM CST SATURDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 AM SATURDAY TO
6 AM CST SUNDAY...

* WINDS...NORTHWEST GALES TO 35 KT.

* WAVES...BUILDING TO 10 TO 14 FT WITH OCCASIONAL WAVES TO 21 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.

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>745-111115-
/O.CON.KLOT.GL.W.0012.000000T0000Z-120211T1600Z/
/O.CON.KLOT.SC.Y.0017.120211T1600Z-120212T2000Z/
CALUMET HARBOR TO GARY-GARY TO BURNS HARBOR-
BURNS HARBOR TO MICHIGAN CITY-
907 PM CST FRI FEB 10 2012

...GALE WARNING REMAINS IN EFFECT UNTIL 10 AM CST SATURDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 AM SATURDAY TO
2 PM CST SUNDAY...

* WINDS...NORTH GALES TO 40 KT TONIGHT.

* WAVES...BUILDING TO 14 TO 18 FT TONIGHT WITH OCCASIONAL WAVES
TO 27 FT.

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.

&&

$$

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-111115-
/O.CON.KLOT.GL.W.0012.000000T0000Z-120211T1500Z/
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 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-
907 PM CST FRI FEB 10 2012

...GALE WARNING REMAINS IN EFFECT UNTIL 9 AM CST SATURDAY...

* WINDS...NORTH GALES TO 40 KT.

* WAVES...14 TO 18 FT WITH OCCASIONAL WAVES TO 27 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.

&&

$$

LMZ261-362-364-366-563-565-111115-
/O.CON.KLOT.GL.W.0012.000000T0000Z-120211T1200Z/
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-
907 PM CST FRI FEB 10 2012

...GALE WARNING REMAINS IN EFFECT UNTIL 6 AM CST SATURDAY...

* WINDS...NORTH GALES TO 35 KT.

* WAVES...12 TO 16 FT WITH OCCASIONAL WAVES TO 24 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.

&&

$$

ALLSOPP
421 
WHUS73 KLOT 110916
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
316 AM CST SAT FEB 11 2012

LMZ261-362-364-366-563-565-111730-
/O.CAN.KLOT.GL.W.0012.000000T0000Z-120211T1200Z/
/O.NEW.KLOT.GL.W.0013.120212T0000Z-120212T0900Z/
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-
316 AM CST SAT FEB 11 2012

...GALE WARNING IN EFFECT FROM 6 PM THIS EVENING TO 3 AM CST
SUNDAY...
...GALE WARNING IS CANCELLED FOR EARLY THIS MORNING...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A GALE
WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 3 AM CST
SUNDAY. 

* WINDS...NORTHWEST GALES TO 35 KT.

* WAVES...8 TO 12 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.

&&

$$

LMZ743>745-111730-
/O.EXT.KLOT.GL.W.0012.000000T0000Z-120211T1500Z/
/O.EXT.KLOT.SC.Y.0017.120211T1500Z-120213T0900Z/
CALUMET HARBOR TO GARY-GARY TO BURNS HARBOR-
BURNS HARBOR TO MICHIGAN CITY-
316 AM CST SAT FEB 11 2012

...GALE WARNING NOW IN EFFECT UNTIL 9 AM CST THIS MORNING...
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 9 AM THIS MORNING TO
3 AM CST MONDAY...

* WINDS...NORTHWEST GALES TO 40 KT.

* WAVES...UP TO 18 FT THIS MORNING OCCASIONAL WAVES TO 24 FT.

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.

&&

$$

LMZ740>742-111730-
/O.EXT.KLOT.GL.W.0012.000000T0000Z-120211T1500Z/
/O.EXT.KLOT.SC.Y.0017.120211T1500Z-120212T2100Z/
WINTHROP HARBOR TO WILMETTE HARBOR-
WILMETTE HARBOR TO NORTHERLY ISLAND-
NORTHERLY ISLAND TO CALUMET HARBOR-
316 AM CST SAT FEB 11 2012

...GALE WARNING NOW IN EFFECT UNTIL 9 AM CST THIS MORNING...
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 9 AM THIS MORNING TO
3 PM CST SUNDAY...

* WINDS...NORTHWEST GALES TO 35 KT.

* WAVES...UP TO 12 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.

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.

&&

$$

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-111500-
/O.CON.KLOT.GL.W.0012.000000T0000Z-120211T1500Z/
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 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-
316 AM CST SAT FEB 11 2012

...GALE WARNING REMAINS IN EFFECT UNTIL 9 AM CST THIS MORNING...

* WINDS...NORTHERLY GALES TO 40 KT.

* WAVES...14 TO 18 FT WITH OCCASIONAL WAVES TO 27 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.

&&

$$

IZZI
957 
WHUS73 KLOT 111514
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
914 AM CST SAT FEB 11 2012

LMZ743>745-112315-
/O.CAN.KLOT.GL.W.0012.000000T0000Z-120211T1500Z/
/O.CON.KLOT.SC.Y.0017.000000T0000Z-120213T0900Z/
CALUMET HARBOR TO GARY-GARY TO BURNS HARBOR-
BURNS HARBOR TO MICHIGAN CITY-
914 AM CST SAT FEB 11 2012

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST MONDAY...
...GALE WARNING IS CANCELLED...

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

* WINDS...NORTHWEST WINDS TO 30 KT.

* WAVES...UP TO 14 FT INTO THIS EVENING...WITH OCCASIONAL WAVES
  TO 20 FT.

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.

&&

$$

LMZ740>742-112315-
/O.CAN.KLOT.GL.W.0012.000000T0000Z-120211T1500Z/
/O.CON.KLOT.SC.Y.0017.000000T0000Z-120212T2100Z/
WINTHROP HARBOR TO WILMETTE HARBOR-
WILMETTE HARBOR TO NORTHERLY ISLAND-
NORTHERLY ISLAND TO CALUMET HARBOR-
914 AM CST SAT FEB 11 2012

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST SUNDAY...
...GALE WARNING IS CANCELLED...

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

* WINDS...NORTHWEST WINDS TO 30 KT.

* WAVES...UP TO 12 FT TODAY...WITH OCCASIONAL WAVES TO 18 FT.

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.

&&

$$

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-111615-
/O.CAN.KLOT.GL.W.0012.000000T0000Z-120211T1500Z/
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 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-
914 AM CST SAT FEB 11 2012

...GALE WARNING IS CANCELLED...

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


$$

LMZ261-362-364-366-563-565-112315-
/O.CON.KLOT.GL.W.0013.120212T0000Z-120212T0900Z/
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-
914 AM CST SAT FEB 11 2012

...GALE WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 3 AM
CST SUNDAY...

* WINDS...NORTHWEST GALES TO 35 KT.

* WAVES...8 TO 12 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.

&&

$$

BEACHLER

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 10, 2:13 AM CST, 27 minutes earlier.

Area forecast discussion, Feb 10, 2:13 AM CST, 27 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
213 AM CST FRI FEB 10 2012

.DISCUSSION...
857 PM CST

STRATUS CONTINUES TO SPREAD EAST AND IS NOW ENTERING NORTHWEST
INDIANA. HAVE ADJUSTED HOURLY TEMP TRENDS TO REFLECT MORE OF A
STEADY CONDITION GIVEN THE CLOUDS AND A STEADY SOUTHWEST BREEZE.
DID NUDGE LOWS IN THE NORTHWEST UP SEVERAL DEGREES WITH THEM
OCCURRING AROUND OR A BIT AFTER DAYBREAK. THE COLD FRONT ARRIVES
DURING THAT TIME WITH COLDER AIR QUICKLY SPILLING IN SO THERE MAY
BE A QUICK SEVERAL DEGREE DROP TOWARDS THE END OF THE MIN TEMP
PERIOD FOLLOWING GENERALLY STEADY TEMPS OVERNIGHT.

WILL CONTINUE WITH LAKE EFFECT SNOW WATCH AS IS. AFTER EVALUATING
AFTERNOON AND EARLY EVENING GUIDANCE...INCLUDING A VARIETY OF
HIGH RES SOLUTIONS FROM VARIOUS SOURCES...SPECIFICS OF LOCATION
AND AMOUNTS NOT COMPLETELY CLEAR...AT LEAST TO THE POINT WHERE
CONFIDENCE IS HIGH ENOUGH TO ADJUST TO WARNING OR ADVISORY. SOME
GUIDANCE CONTINUES TO SUGGEST THAT AN EASTERLY COMPONENT TO THE
FETCH OFF THE LAKE IS LESS LIKELY OR AT LEAST SHORT LIVED
SUPPORTING A MORE TRADITIONAL DUE NORTH FETCH BAND INTO NW IN. IT
STILL APPEARS THAT THE SHORELINE OF SOUTHERN COOK COUNTY AND WILL
COUNTY NEAR THE IL/IN STATE LINE WOULD BE AFFECTED AT LEAST EARLY
ON. IT IS POSSIBLE THAT IF WINDS DO NOT HAVE AN INITIAL EASTERLY
COMPONENT THEN THE DURATION THAT THEY STAY DUE NORTH WILL BE
LONGER BEFORE TURNING NORTHWEST SATURDAY MORNING. THIS COULD
RESULT IN A MORE ANCHORED BAND AND HIGHER SNOW TOTALS OVER A MORE
FOCUSED AREA...LIKELY SLIGHTLY FURTHER EAST THAN THE CURRENT
FORECAST. LIMITING FACTORS OF DRY ADVECTION AND A MORE
ANTICYCLONIC CURVATURE TO THE FLOW DEVELOPING FRIDAY NIGHT REMAIN
A CONCERN IN TERMS OF MAX SNOWFALL AMOUNTS. OVERALL LAKE COUNTY
INDIANA SEEMS TO HAVE THE BEST CHANCE AT WARNING CRITERIA SNOW
DESPITE THE RANGE OF SOLUTIONS...WITH POTENTIAL ACROSS FAR EASTERN
COOK/WILL COUNTIES AND PORTER COUNTY CONTINUING AS WELL BUT WITH
LOWER CONFIDENCE. WILL CONTINUE TO MONITOR NEW GUIDANCE AS IT
ARRIVES. TIMING STILL LOOKS ON TRACK WITH LAKE EFFECT SETTING UP
LATE AFTERNOON/EARLY EVENING FOLLOWING SYNOPTIC SCALE SNOW.

MDB

//PREV DISCUSSION...
305 PM CST

A LAKE EFFECT SNOW EVENT IS LIKELY FOR THE CITY OF CHICAGO AND THE
SOUTH SUBURBS AS WELL AS FAR NORTHWEST INDIANA FROM MIDDAY FRIDAY
INTO SATURDAY AFTERNOON. THERE IS THE POTENTIAL FOR UP TO 6 INCHES
FOR THE CITY ALONG THE LAKE AND ACROSS THE SOUTH AND SOUTHEAST SIDES
AS WELL AS THE SOUTH SUBURBS...WITH UP TO TO 8 INCHES POSSIBLE
ACROSS LAKE AND PORTER COUNTY OF NORTHWEST IN.

TONIGHT THROUGH SATURDAY...

THE COLD FRONT THAT HAS BEEN PUSHING SOUTH-SOUTHEAST ACROSS
WESTERN ONTARIO...FAR NORTHWEST MN AND THE DAKOTAS WILL CONTINUE
ON THIS PATH THROUGH THE NIGHT...CROSSING INTO FAR NORTH CENTRAL
AND FAR NORTHWEST IL TOWARD DAWN...AND THE REST OF NORTHERN IL AND
NORTHWEST IN BY EARLY FRIDAY AFTERNOON AS A SHORT WAVE MOVES FROM
THE CENTRAL AND SOUTHERN HIGH PLAINS EAST TO THE MID MS
VALLEY...AND AN UPPER JET MAX CONTINUES TO DIG SOUTH-SOUTHEAST
FROM SASKATCHEWAN AND EASTERN ALBERTA ACROSS THE DAKOTAS TO THE
MID MO VALLEY BY 18Z FRIDAY.

WHILE THE COLDEST AIR REMAINS OVER HUDSON BAY...NORTHERN QUEBEC AND
EASTERN BAFFIN ISLAND...THE SOUTHERN PERIPHERY OF THE COLD AIR MASS
HAS MOVED WELL SOUTHWARD SINCE YESTERDAY...WITH AN 850HPA
TEMPERATURE OF -5C AT KINL VERSUS -17C AT CWPL AND -20C AT CYQD PER
THE 12Z RAOBS.

ONCE THE COLD FRONT PASSES BY TOMORROW LOW LEVEL WINDS OVER LAKE MI
VEER TO NORTH TO NORTH-NORTHEAST BY MIDDAY. THE DEPTH OF THE VERY
COLD AIR DEEPENS DURING FRIDAY AFTERNOON THROUGH FRIDAY NIGHT WHILE
MID LEVEL WINDS ALSO VEER TO NORTH TO NORTH-NORTHEAST. WITH 850HPA
TEMPERATURES OF -20 TO -22C PROGGED OVER SOUTHERN LAKE MI OVERNIGHT
FRIDAY AND SATURDAY MORNING AND +1 TO +3C LAKE WATER...A LAKE EFFECT
SNOW BAND IS EXPECTED TO DEVELOP DURING FRIDAY. WITH NEAR
UNIDIRECTIONAL N-NNE FLOW THROUGH THE LOWER 3KM CLOUD BEARING LAYER
THE BAND IS EXPECTED TO DEVELOP FROM CENTRAL LAKE MI SSW TO THE
CHICAGO SHORELINE AND THE FAR NW CORNER OF IN FRIDAY AFTERNOON. WITH
COOLING LOW LEVEL TEMPERATURES AND INCREASING DEPTH OF THE COLD
AIR...SNOWFALL INTENSITY SHOULD INCREASE FOR LATE FRIDAY AND INTO
SATURDAY MORNING INCREASING ACCUMULATION RATES WHERE THIS LAKE
EFFECT BAND WILL CROSS THE SHORE AND A BIT DOWNWIND.

WHILE MODELS SHOW UP TO A 15-20MI E-W SPREAD IN WHERE THE AXIS OF
HEAVIEST SNOW IS LIKELY TO BE THE CONSENSUS CONTINUES TO POINT TO
THE AREA FROM DOWNTOWN CHICAGO SOUTH ACROSS THE SOUTHEAST SIDE AND
ALONG THE NORTHERN POTION OF THE IL-IN LINE AS WELL AND THE
NORTHWEST CORNER OF IN. HEAVIEST SNOWFALL IS EXPECTED TO BE FROM MID
FRIDAY EVENING THROUGH THE PRE-DAWN HOURS OF SATURDAY WHEN ELEMENTS
FOR LAKE EFFECT SNOW WILL BE MAXIMIZED.

BY DAWN SATURDAY THE LOW LEVEL FLOW IS PROGGED TO HAVE BACKED
SLIGHTLY SHIFTING THE SNOW BAND AXIS OFF OF THE ILL SHORE AND A BIT
EAST IN NORTHWEST IN. THIS BACKING OF THE FLOW TO OUT OF THE
NORTHWEST ALONG WITH THE LOWERING OF A SUBSIDENCE INVERSION WILL
CONTINUE TO SHIFT THE LAKE EFFECT EASTWARD AND RESULT IN DECREASING
INTENSITY. BY MIDDAY SATURDAY IT IS EXPECTED THAT THE REMAINING LAKE
EFFECT SNOW WILL HAVE SHIFTED OFF TO SOUTHWEST LOWER MI AND NORTH
CENTRAL IN.

SATURDAY NIGHT THROUGH SUNDAY NIGHT...

A LARGE AREA OF COLD HIGH PRESSURE WILL DOMINATE CENTRAL NORTH
AMERICA DURING THIS PERIOD BRINGING THE LOCAL AREA MOSTLY
CLEAR...COLD AND DRY CONDITIONS.

MONDAY AND MONDAY NIGHT...

THE LARGE ANTICYCLONE WILL BE MOVING EAST-SOUTHEAST FROM THE
SOUTHEASTERN U.S. OFF THE CAROLINA COAST MONDAY. THIS ALLOWS FOR A
RETURN FLOW OF MILDER AIR AS THE FLOW BACKS TO SOUTHWEST AHEAD OF A
SHORT WAVE TO BE MOVING EAST TO THE UPPER MS AND MID MO VALLEYS BY
MONDAY EVENING. MID AND EVENTUALLY LOW LEVEL MOISTURE INCREASE AS
THE SHORT WAVE CONTINUE TO APPROACH. WITH DEEP MOISTURE PROGGED OVER
THE LOCAL AREA MONDAY AND DECENT VERTICAL ASCENT UP THROUGH THE MID
LEVELS WITH THE WARM AIR ADVECTION OCCURRING HAVE A CHANCE OF SNOW
MENTIONED FOR DAYTIME MONDAY.

TUESDAY THROUGH THURSDAY

THE DRY AIR ADVECTION BEHIND THE MONDAY SYSTEM IS FORECAST TO BE
GRADUAL...WITH SOME GUIDANCE INDICATING A SECONDARY UPPER LEVEL WAVE
WITHIN THE NORTHERN STREAM MOVING OVER THE REGION TUESDAY. AT LEAST
CONTINUING CLOUDS LOOK LIKE A GOOD BET IF THE MONDAY SYSTEM TRACK
DOES NOT SHIFT MUCH. FORCING LOOKS MINIMAL FOR PRECIPITATION...WITH
ANYTHING OCCURRING FAVORED TO BE LIGHT. MODEL SPREAD FROM WEDNESDAY
ONWARD IS LARGE...WITH DISAGREEMENTS ON HOW A SOUTHWEST LOW WILL
EVOLVE EAST. THE GFS CONTINUES MUCH FASTER...AS WELL AS FURTHER
NORTH...WHILE THE EC AND GFS ENSEMBLES OFFERING A NICE MIDDLE GROUND
OF THE TWO AND THIS SPEED HAS BEEN FAVORED. ALL IN ALL THOUGH...A
LOW CONFIDENCE FORECAST AT THIS POINT.

TRS/MTF

&&

.AVIATION...

//ORD AND MDW CONCERNS...UPDATED 08Z...

* LOW END VFR CIGS TO HIGH END MVFR CIGS OVERNIGHT AND INTO
  TOMORROW MORNING.

* WINDS BECOMING WEST BY MORNING...THEN N WINDS AFTER FRONT PASSES
  LATE FRIDAY MORNING...GUSTING TO 30KT FRIDAY AFTERNOON.

* IFR TO LIFR VSBY DURING HEAVIEST SNOWFALL TOMORROW
  AFTERNOON...WITH POSSIBILITY OF IFR CIGS.

JEE

//DISCUSSION...UPDATED 06Z...

STRATUS HAS SHIFTED ACROSS ALL OF THE TERMINALS AND WILL REMAIN IN
PLACE OVERNIGHT...BUT SHOULD REMAIN VFR THROUGH THE MORNING HOURS.
THE MAIN FOCUS OF THE FORECAST REMAINS WITH THE STRONG COLD FRONT
THAT WILL MOVE THROUGH THE REGION LATE IN THE MORNING AND INTO
THE AFTERNOON HOURS...VEERING WINDS TO THE NORTHWEST AND THEN
NORTH WITH GUSTS EXPECTED IN THE MID 20 KT RANGE.

THE NEXT CONCERN WILL BE SNOWFALL AND THEN LAKE EFFECT SNOW
BANDING. FOLLOWING THE FRONTAL PASSAGE...CONDITIONS WILL BECOME
FAVORABLE FOR WIDESPREAD SNOW...ESPECIALLY FOR THE EASTERN
TERMINALS. SNOW ACCUMULATIONS AND REDUCTIONS TO VISIBILITY ARE
EXPECTED. SNOWFALL FOR MOST TERMINALS WILL BEGIN IN THE LATE
MORNING TO EARLY AFTERNOON...WITH BETTER CHANCES FOR SNOW INTO THE
AFTERNOON TIME FRAME. FOCUS WILL THEN TURN TOWARDS LAKE EFFECT
BANDING OF SNOW AS CONDITIONS BECOME VERY FAVORABLE BY THE EVENING
HOURS. LARGE AMOUNTS OF UNCERTAINTY ARE STILL PRESENT WITH
REGARDS TO THE EXACT AREAS THIS LAKE EFFECT SNOW BAND WILL IMPACT
AS BOUNDARY LAYER FLOW IS PROGGED TO BE EITHER JUST EAST OF
NORTH...OR NORTH KEEPING THE PRIMARY IMPACTS EAST OF ALL BUT GYY.
TYPICALLY THESE BANDS OF SNOW ARE VERY HEAVY...BUT ALSO VERY
NARROW...LIMITING THE AREAL COVERAGE OF SNOWFALL. THIS RESULTS IN
WIDE VARIATIONS IN SNOW AMOUNTS OVER VERY SMALL GEOGRAPHIC AREAS.
THEREFORE IT IS QUITE POSSIBLE THAT SOME OF THE TAF SITES ACROSS
THE AREA WILL BE SPARED BY THE HEAVY LAKE EFFECT SNOW. THESE BANDS
ARE ALSO INCREDIBLY DIFFICULT TO FORECAST OUTSIDE OF 6
HOURS...THUS LIMITING CONFIDENCE AT THIS POINT. THE LATEST TRENDS
CONTINUE TO HIGHLIGHT THAT THE BEST POTENTIAL FOR BANDING WILL
LINE UP NORTH TO SOUTH ALONG THE SHORE...LIKELY SPARING ORD AND
EVEN MDW...BEFORE SHIFTING TO THE EAST AND ACROSS GYY WHERE IT
WILL LIKELY REMAIN FOR A LONGER TIME.

SHEA

//ORD AND MDW CONFIDENCE...UPDATED 08Z...

* HIGH CONFIDENCE IN WIND FORECAST.

* MEDIUM-HIGH CONFIDENCE IN SNOW TRENDS FRIDAY AFTERNOON.

* MEDIUM-HIGH CONFIDENCE IN CIG FORECAST.

JEE

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

 * SATURDAY NIGHT/SUNDAY...VFR
 * MONDAY/TUESDAY...SLIGHT CHANCE SNOW
 * WEDNESDAY...VFR
 * THURSDAY...CHANCE OF RAIN OR SNOW

SHEA

&&

.MARINE...
240 PM CST

AREA OF LOW PRESSURE CONTINUES TO SLIDE EAST ACROSS SOUTHERN
ONTARIO...JUST NORTH OF LAKE SUPERIOR. GUIDANCE CONTINUES TO
SUGGEST THIS SYSTEM WILL PUSH EAST TOWARDS WESTERN QUEBEC...AS A
TRAILING COLD FRONT ARRIVES ACROSS THE UPPER MIDWEST/NORTHWEST
GREAT LAKES REGION EARLY FRIDAY. BEHIND THIS BOUNDARY AN ARCTIC
AIRMASS IS POISED TO SLIDE SOUTHEAST ACROSS LAKE MICHIGAN FRIDAY
AFTERNOON/EVENING. THIS EVENING THE PRESSURE GRADIENT WILL TIGHTEN
UP ACROSS NORTHERN LAKE MICHIGAN AND REMAIN TIGHT THROUGH LATE
TONIGHT...WHICH SHOULD ALLOW GALES TO 35 KT FOR FAR NORTHERN LAKE
MICHIGAN. FOR FRIDAY THE CHALLENGE HAS BEEN HOW STRONG WINDS WILL
BE WITH COLD AIR ADVECTION EXPECTED THROUGH SATURDAY. GUIDANCE HAS
BACKED OFF MARGINALLY WITH POTENCY OF WINDS...AND IT APPEARS TO
FAVOR MORE OF A SUB-GALE CONDITIONS. HOWEVER...COMING UP WITH
OCCASIONAL GALES TO 35 KT. AT THIS TIME HAVE WORDED THINGS TO BE
OCCASIONAL GALE FORCE GUSTS. THE FREQUENCY MAY NOT BE PRESENT TO
WARRANT A GALE WARNING AT THIS TIME...ALTHOUGH IT WILL BE CLOSE.
FOR NOW NO HEADLINES AFTER THE CURRENT GALE WARNING FOR NORTHERN
LAKE MICHIGAN.

IN ADDITION CONDITIONS APPEAR TO BE FAVORABLE FOR FREEZING SPRAY
CONCERNS. BASED ON WINDS/TEMPERATURES HAVE DERIVED AT TIMES
MODERATE FREEZING SPRAY FOR THE OPEN WATERS THROUGH SATURDAY. THEN
WINDS BEGIN TO SLACKEN AS A LARGE DOME OF HIGH PRESSURE SAGS SOUTH
INTO THE CENTRAL PLAINS FOR THE SECOND HALF OF THE WEEKEND. ON THE
EASTERN END OF THIS RIDGE...WINDS WILL CONTINUE TO BE OCCASIONALLY
GUSTY FROM THE NORTHWEST ALTHOUGH SUB-GALES EXPECTED. FOR THE
NEARSHORE WATERS...THIS MAY RESULT IN A PROLONGED SETUP FOR SMALL
CRAFT CONDITIONS. THUS WILL MAINTAIN THE SMALL CRAFT ADVISORY
GIVEN THE LONG FETCH...ESPECIALLY FOR THE WATERS OF LAKE MICHIGAN
IN NORTHWEST INDIANA.

BEACHLER

&&

.LOT WATCHES/WARNINGS/ADVISORIES...
IL...LAKE EFFECT SNOW WATCH...ILZ014-ILZ022...NOON FRIDAY TO 3 PM
     SATURDAY.

IN...LAKE EFFECT SNOW WATCH...INZ001-INZ002...NOON FRIDAY TO 3 PM
     SATURDAY.

LM...GALE WARNING...LMZ261-LMZ362-LMZ364-LMZ563 UNTIL 3 AM FRIDAY.

     SMALL CRAFT ADVISORY...ILLINOIS NEARSHORE WATERS UNTIL 5 PM SATURDAY.

     SMALL CRAFT ADVISORY...INDIANA NEARSHORE WATERS UNTIL 2 PM SUNDAY.

&&
Hazardous weather outlook, Feb 9, 4:57 PM CST, 9 hours 43 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
457 PM CST THU FEB 9 2012

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
102300-
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-
457 PM CST THU FEB 9 2012 /557 PM EST THU FEB 9 2012/

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

.DAY ONE...TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

A SURGE OF ARCTIC AIR WILL SPREAD ACROSS THE AREA FRIDAY...AND IS
EXPECTED TO RESULT IN THE DEVELOPMENT OF LAKE EFFECT SNOW SHOWERS
WHICH WILL IMPACT NORTHWEST INDIANA AND PORTIONS OF FAR NORTHEAST
ILLINOIS FROM FRIDAY AFTERNOON THROUGH MIDDAY SATURDAY. WHILE LAKE
EFFECT SNOW CAN BE HIGHLY LOCALIZED...CURRENT FORECASTS ARE FOR
TOTAL ACCUMULATIONS FROM 3 TO 5 INCHES IN FAR NORTHEAST COOK
COUNTY...4 TO 7 INCHES ACROSS DOWNTOWN CHICAGO AND THE SOUTH
SUBURBS...WITH 5 TO 8 INCHES FROM THE FAR SOUTHEAST SIDE OF
CHICAGO EAST ACROSS NORTHERN LAKE AND PORTER COUNTIES OF NORTHWEST
INDIANA.

WIND CHILL READINGS WILL DROP TO 5 BELOW TO 10 BELOW ZERO ACROSS
PORTIONS OF NORTH CENTRAL ILLINOIS FRIDAY NIGHT...AND NEAR ZERO
ACROSS THE REMAINDER OF NORTHEAST ILLINOIS AND NORTHWEST INDIANA.

THERE IS A CHANCE OF LIGHT SNOW MONDAY INTO TUESDAY OF NEXT WEEK.

.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>745-102300-
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-
457 PM CST THU FEB 9 2012

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

.DAY ONE...TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

STRONG NORTH AND NORTHWEST WINDS AND HIGH WAVES WILL PRODUCE
HAZARDOUS CONDITIONS FOR SMALL CRAFT FRIDAY THROUGH SATURDAY
EVENING ALONG THE ILLINOIS SHORE...AND INTO SUNDAY EVENING ALONG
THE INDIANA SHORE. OCCASIONAL GALE FORCE GUSTS ARE POSSIBLE DURING
THIS PERIOD.

MODERATE FREEZING SPRAY IS POSSIBLE FROM LATE FRIDAY THROUGH
SATURDAY NIGHT.

&&

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-
870-872-874-876-878-102300-
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-
457 PM CST THU FEB 9 2012

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

.DAY ONE...TONIGHT.

SOUTHWEST GALES ARE LIKELY ACROSS APPROXIMATELY THE NORTHERN
THIRD OF LAKE MICHIGAN THROUGH THIS EVENING BEFORE TURNING
NORTHWEST OVERNIGHT. GALES WILL DIMINISH INTO EARLY FRIDAY
MORNING.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

NORTH WINDS WITH OCCASIONAL GALE FORCE GUSTS AND FREEZING SPRAY
ARE LIKELY ON MUCH OF LAKE MICHIGAN FRIDAY AND FRIDAY NIGHT. NORTHWEST
GALES AND FREEZING SPRAY ARE POSSIBLE SATURDAY AND SATURDAY NIGHT.

&&

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

MDB

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 10, 2:40 AM CSTSmall Craft AdvisoryLOT3 days
Feb 10, 2:54 AM CSTWinter Weather AdvisoryLOTDuPage, Lake18 hr
Feb 10, 2:54 AM CSTLake Effect Snow WarningLOTJasper, Lake, Porter25 hr
Feb 10, 2:54 AM CSTLake Effect Snow AdvisoryLOTJasper19 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.