Alert archive / Illinois / Gale Warnings in 2011

Gale Warning 80, NWS Chicago, IL

October 29, 2011

NWS Chicago, IL issued this gale warning at Oct 29, 2011, 3:44 AM CDT. It took effect at Oct 30, 2011, 7:00 AM CDT. It was in force for 14 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
Oct 29, 2011, 3:44 AM CDT (08:44 UTC)
In effect from
Oct 30, 2011, 7:00 AM CDT
Expired
Oct 30, 2011, 8:48 PM CDT
In force
14 hr
Issued by
NWS Chicago, IL

The text

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

597 
WHUS73 KLOT 290844
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
344 AM CDT SAT OCT 29 2011


LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-291645-
/O.NEW.KLOT.GL.W.0080.111030T1200Z-111031T0000Z/
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-
344 AM CDT SAT OCT 29 2011

...GALE WARNING IN EFFECT FROM 7 AM TO 7 PM CDT SUNDAY...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A GALE
WARNING...WHICH IS IN EFFECT FROM 7 AM TO 7 PM CDT SUNDAY. 

* EXPECT SUSTAINED GALE FORCE WINDS OR FREQUENT GALE FORCE GUSTS 
  FROM 7 AM TO 7 PM CDT SUNDAY.

* DURING THE GALE WARNING...THE STRONGEST WINDS WILL BE UP TO 35
  KT FROM THE SOUTH. THE HIGHEST SIGNIFICANT WAVES WILL BE UP TO
  12 FT. THERE WILL BE OCCASIONAL WAVES UP TO 18 FT.

REFER TO THE LATEST MARINE FORECASTS FOR MORE DETAILED
INFORMATION.

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.

&&

$$

RATZER
8 follow-up statements
917 
WHUS73 KLOT 291458
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
958 AM CDT SAT OCT 29 2011

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-292300-
/O.CON.KLOT.GL.W.0080.111030T1200Z-111031T0000Z/
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-
958 AM CDT SAT OCT 29 2011

...GALE WARNING REMAINS IN EFFECT FROM 7 AM TO 7 PM CDT SUNDAY...

A GALE WARNING REMAINS IN EFFECT FROM 7 AM TO 7 PM CDT SUNDAY. 

* EXPECT SUSTAINED GALE FORCE WINDS OR FREQUENT GALE FORCE GUSTS 
  FROM 7 AM TO 7 PM CDT SUNDAY.

* DURING THE GALE WARNING...THE STRONGEST WINDS WILL BE UP TO 35
  KT FROM THE SOUTH. THE HIGHEST SIGNIFICANT WAVES WILL BE UP TO
  12 FT. THERE WILL BE OCCASIONAL WAVES UP TO 18 FT.

REFER TO THE LATEST MARINE FORECASTS FOR MORE DETAILED
INFORMATION.

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
132 
WHUS73 KLOT 292013
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
313 PM CDT SAT OCT 29 2011

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-300415-
/O.EXT.KLOT.GL.W.0080.111030T1200Z-111031T0200Z/
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-
313 PM CDT SAT OCT 29 2011

...GALE WARNING NOW IN EFFECT FROM 7 AM TO 9 PM CDT SUNDAY...

THE GALE WARNING IS NOW IN EFFECT FROM 7 AM TO 9 PM CDT SUNDAY. 

* EXPECT SUSTAINED GALE FORCE WINDS OR FREQUENT GALE FORCE GUSTS 
  FROM 7 AM TO 9 PM CDT SUNDAY.

* DURING THE GALE WARNING...THE STRONGEST WINDS WILL BE UP TO 35
  KT FROM THE SOUTH. THE HIGHEST SIGNIFICANT WAVES WILL BE UP TO
  10 FT. THERE WILL BE OCCASIONAL WAVES UP TO 16 FT.

REFER TO THE LATEST MARINE FORECASTS FOR MORE DETAILED
INFORMATION.

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>745-300415-
/O.NEW.KLOT.SC.Y.0085.111030T1200Z-111031T0300Z/
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-
313 PM CDT SAT OCT 29 2011

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM TO 10 PM CDT SUNDAY...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A SMALL CRAFT
ADVISORY...WHICH IS IN EFFECT FROM 7 AM TO 10 PM CDT SUNDAY. 

* EXPECT HAZARDOUS CONDITIONS FOR SMALL CRAFT FROM 7 AM TO 10 PM 
  CDT SUNDAY.

* DURING THE SMALL CRAFT ADVISORY...THE STRONGEST WINDS WILL BE UP
  TO 30 KT FROM THE SOUTH. THE HIGHEST SIGNIFICANT WAVES WILL BE
  UP TO 6 FT. THERE WILL BE OCCASIONAL WAVES UP TO 9 FT.

REFER TO THE LATEST MARINE FORECASTS FOR MORE DETAILED
INFORMATION.

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.

&&

$$

BEACHLER
253 
WHUS73 KLOT 300147
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
847 PM CDT SAT OCT 29 2011

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-301000-
/O.CON.KLOT.GL.W.0080.111030T1200Z-111031T0200Z/
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-
847 PM CDT SAT OCT 29 2011

...GALE WARNING REMAINS IN EFFECT FROM 7 AM TO 9 PM CDT SUNDAY...

A GALE WARNING REMAINS IN EFFECT FROM 7 AM TO 9 PM CDT SUNDAY. 

* EXPECT SUSTAINED GALE FORCE WINDS OR FREQUENT GALE FORCE GUSTS 
  FROM 7 AM TO 9 PM CDT SUNDAY.

* DURING THE GALE WARNING...THE STRONGEST WINDS WILL BE UP TO 35 
  KT FROM THE SOUTH. THE HIGHEST SIGNIFICANT WAVES WILL BE UP 
  TO 10 FT. THERE WILL BE OCCASIONAL WAVES UP TO 16 FT.

REFER TO THE LATEST MARINE FORECASTS FOR MORE DETAILED
INFORMATION.

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>745-301000-
/O.CON.KLOT.SC.Y.0085.111030T1200Z-111031T0300Z/
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-
847 PM CDT SAT OCT 29 2011

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM TO 10 PM CDT
SUNDAY...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM TO 10 PM CDT
SUNDAY. 

* EXPECT HAZARDOUS CONDITIONS FOR SMALL CRAFT FROM 7 AM TO 10 PM 
  CDT SUNDAY.

* DURING THE SMALL CRAFT ADVISORY...THE STRONGEST WINDS WILL BE 
  UP TO 30 KT FROM THE SOUTH. THE HIGHEST SIGNIFICANT WAVES 
  WILL BE UP TO 6 FT. THERE WILL BE OCCASIONAL WAVES UP TO 9 FT.

REFER TO THE LATEST MARINE FORECASTS FOR MORE DETAILED
INFORMATION.

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.

&&

$$

MDB
389 
WHUS73 KLOT 300814
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
314 AM CDT SUN OCT 30 2011

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-301615-
/O.CON.KLOT.GL.W.0080.111030T1200Z-111031T0200Z/
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-
314 AM CDT SUN OCT 30 2011

...GALE WARNING REMAINS IN EFFECT FROM 7 AM THIS MORNING TO 9 PM
CDT THIS EVENING...

A GALE WARNING REMAINS IN EFFECT FROM 7 AM THIS MORNING TO 9 PM
CDT THIS EVENING. 

* EXPECT SUSTAINED GALE FORCE WINDS OR FREQUENT GALE FORCE GUSTS 
  FROM 7 AM THIS MORNING TO 9 PM CDT THIS EVENING.

* DURING THE GALE WARNING...THE STRONGEST WINDS WILL BE UP TO 35
  KT FROM THE SOUTH. THE HIGHEST SIGNIFICANT WAVES WILL BE UP TO
  12 FT. THERE WILL BE OCCASIONAL WAVES UP TO 18 FT.

REFER TO THE LATEST MARINE FORECASTS FOR MORE DETAILED
INFORMATION.

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>745-301615-
/O.CON.KLOT.SC.Y.0085.111030T1200Z-111031T0300Z/
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-
314 AM CDT SUN OCT 30 2011

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM THIS MORNING
TO 10 PM CDT THIS EVENING...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM THIS MORNING
TO 10 PM CDT THIS EVENING. 

* EXPECT HAZARDOUS CONDITIONS FOR SMALL CRAFT FROM 7 AM THIS 
  MORNING TO 10 PM CDT THIS EVENING.

* DURING THE SMALL CRAFT ADVISORY...THE STRONGEST WINDS WILL BE 
  UP TO 30 KT FROM THE SOUTH. THE HIGHEST SIGNIFICANT WAVES 
  WILL BE UP TO 6 FT. THERE WILL BE OCCASIONAL WAVES UP TO 9 FT.

REFER TO THE LATEST MARINE FORECASTS FOR MORE DETAILED
INFORMATION.

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.

&&

$$

RATZER
855 
WHUS73 KLOT 301612
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
1112 AM CDT SUN OCT 30 2011

LMZ777-779-310015-
/O.CON.KLOT.GL.W.0080.000000T0000Z-111031T0200Z/
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-
1112 AM CDT SUN OCT 30 2011

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

* EXPECT SUSTAINED GALE FORCE WINDS OR FREQUENT GALE FORCE GUSTS 
  FROM 7 AM THIS MORNING TO 9 PM CDT THIS EVENING. 

* DURING THE GALE WARNING...THE STRONGEST WINDS WILL BE UP TO 35 
  KT FROM THE SOUTH. THE HIGHEST SIGNIFICANT WAVES WILL BE UP TO 
  12 FT. THERE WILL BE OCCASIONAL WAVES UP TO 18 FT. 

REFER TO THE LATEST MARINE FORECASTS FOR MORE DETAILED
INFORMATION.

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>745-310015-
/O.CON.KLOT.SC.Y.0085.000000T0000Z-111031T0300Z/
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-
1112 AM CDT SUN OCT 30 2011

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

* EXPECT HAZARDOUS CONDITIONS FOR SMALL CRAFT FROM 7 AM THIS 
  MORNING TO 10 PM CDT THIS EVENING. 

* DURING THE SMALL CRAFT ADVISORY...THE STRONGEST WINDS WILL BE 
  UP TO 30 KT FROM THE SOUTH. THE HIGHEST SIGNIFICANT WAVES WILL 
  BE UP TO 6 FT. THERE WILL BE OCCASIONAL WAVES UP TO 9 FT. 

REFER TO THE LATEST MARINE FORECASTS FOR MORE DETAILED
INFORMATION.

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
165 
WHUS73 KLOT 301729
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
1229 PM CDT SUN OCT 30 2011

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-310130-
/O.CON.KLOT.GL.W.0080.000000T0000Z-111031T0200Z/
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-
1229 PM CDT SUN OCT 30 2011

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

A GALE WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING. 

* EXPECT SUSTAINED GALE FORCE WINDS OR FREQUENT GALE FORCE GUSTS 
  UNTIL 9 PM CDT THIS EVENING.

* DURING THE GALE WARNING...THE STRONGEST WINDS WILL BE UP TO 35 
  KT FROM THE SOUTH. THE HIGHEST SIGNIFICANT WAVES WILL BE UP 
  TO 9 FT. THERE WILL BE OCCASIONAL WAVES UP TO 14 FT.

REFER TO THE LATEST MARINE FORECASTS FOR MORE DETAILED
INFORMATION.

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>745-310130-
/O.CON.KLOT.SC.Y.0085.000000T0000Z-111031T0300Z/
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-
1229 PM CDT SUN OCT 30 2011

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

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

* EXPECT HAZARDOUS CONDITIONS FOR SMALL CRAFT UNTIL 10 PM CDT 
  THIS EVENING.

* DURING THE SMALL CRAFT ADVISORY...THE STRONGEST WINDS WILL BE 
  UP TO 30 KT FROM THE SOUTH. THE HIGHEST SIGNIFICANT WAVES 
  WILL BE UP TO 6 FT. THERE WILL BE OCCASIONAL WAVES UP TO 9 FT.

REFER TO THE LATEST MARINE FORECASTS FOR MORE DETAILED
INFORMATION.

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
948 
WHUS73 KLOT 301956
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
256 PM CDT SUN OCT 30 2011

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-310200-
/O.CON.KLOT.GL.W.0080.000000T0000Z-111031T0200Z/
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-
256 PM CDT SUN OCT 30 2011

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

A GALE WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING. 

* EXPECT SUSTAINED GALE FORCE WINDS OR FREQUENT GALE FORCE GUSTS 
  UNTIL 9 PM CDT THIS EVENING.

* DURING THE GALE WARNING...THE STRONGEST WINDS WILL BE UP TO 35 
  KT FROM THE SOUTH. THE HIGHEST SIGNIFICANT WAVES WILL BE UP 
  TO 14 FT. THERE WILL BE OCCASIONAL WAVES UP TO 21 FT.

REFER TO THE LATEST MARINE FORECASTS FOR MORE DETAILED
INFORMATION.

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>745-310300-
/O.CON.KLOT.SC.Y.0085.000000T0000Z-111031T0300Z/
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-
256 PM CDT SUN OCT 30 2011

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

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

* EXPECT HAZARDOUS CONDITIONS FOR SMALL CRAFT UNTIL 10 PM CDT 
  THIS EVENING.

* DURING THE SMALL CRAFT ADVISORY...THE STRONGEST WINDS WILL BE UP
  TO 30 KT FROM THE SOUTH. THE HIGHEST SIGNIFICANT WAVES WILL BE
  UP TO 6 FT. THERE WILL BE OCCASIONAL WAVES UP TO 9 FT.

REFER TO THE LATEST MARINE FORECASTS FOR MORE DETAILED
INFORMATION.

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
962 
WHUS73 KLOT 310148
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
848 PM CDT SUN OCT 30 2011

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-310300-
/O.CAN.KLOT.GL.W.0080.000000T0000Z-111031T0200Z/
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-
848 PM CDT SUN OCT 30 2011

...GALE WARNING IS CANCELLED...

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

$$

LMZ740>745-310300-
/O.CON.KLOT.SC.Y.0085.000000T0000Z-111031T0300Z/
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-
848 PM CDT SUN OCT 30 2011

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

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

* EXPECT HAZARDOUS CONDITIONS FOR SMALL CRAFT UNTIL 10 PM CDT 
  THIS EVENING.

* DURING THE SMALL CRAFT ADVISORY...THE STRONGEST WINDS WILL BE UP
  TO 30 KT FROM THE SOUTH. THE HIGHEST SIGNIFICANT WAVES WILL BE
  UP TO 6 FT. THERE WILL BE OCCASIONAL WAVES UP TO 9 FT.

REFER TO THE LATEST MARINE FORECASTS FOR MORE DETAILED
INFORMATION.

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.

&&

$$

SHEA

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 Oct 29, 3:23 AM CDT, 21 minutes earlier.

Area forecast discussion, Oct 29, 3:23 AM CDT, 21 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
323 AM CDT SAT OCT 29 2011

.DISCUSSION...
1024 PM CDT

ONLY VERY MINOR SHORT TERM TWEAKS MADE TO GOING SET OF GRIDDED
FORECASTS SO LITTLE OR NO CHANGE IN DERIVED TEXT PRODUCTS.

LATEST IR SATELLITE SHOT ALONG WITH WSR-88D...TERMINAL DOPPLER
AND PROFILER MID LEVEL WINDS SHOW THE TROUGH AXIS ACROSS FAR SE
WI...NE IL...CENTRAL IL AND E CENTRAL MO. WHILE RADARS CONTINUE
TO PAINT ECHOES ALONG AND A BIT AHEAD OF THIS MID LEVEL TROUGH
VERY LITTLE RAIN IS REACHING THE SURFACE AS IT DRIES UP FALLING
FROM MID LEVEL CLOUDS INTO A VERY DRY LOW LEVEL AIR MASS.

AS THE SHORT WAVE TROUGH CONTINUES OFF TO THE E DURING THE
OVERNIGHT HOURS THE CLEARING THAT HAS ALREADY REACHED A
RFD-SQI-MQB LINE WILL CONTINUE TO SPREAD ACROSS THE ENTIRE AREA
ALLOWING STRONG RADIATIONAL COOLING CONDITIONS FOR THE EARLY
MORNING AND PREDAWN HOURS. THUS...FREEZE WARNING CONTINUES.

TRS

//PREV DISCUSSION...
320 PM CDT

MAIN CONCERN FOR THE NEAR TERM...THE REMAINDER OF THE AFTERNOON AND
TONIGHT...WILL FOCUS ON PCPN POTENTIAL THIS AFTERNOON/EARLY EVENING
AND TEMPERATURES OVERNIGHT.  LATEST SATELLITE IMAGERY SHOWS SCT-BKN
CU DEVELOPMENT ASSOCIATED WITH DIURNAL WARMING AND AN UPPER TROUGH
CROSSING THE MISSISSIPPI RIVER INTO NWRN IL.  CU DEVELOPMENT IS NOT
QUITE AS VIGOROUS AS YESTERDAY...SO WILL ONLY CARRY SLIGHT CHANCE
POPS THROUGH THE REMAINDER OF THE DAYLIGHT HOURS.  LATEST RADAR
IMAGERY SHOWS SOME SPOTTY ECHOES OVER NWRN/NCNTRL IL...THOUGH THERE
ARE NO REPORTS OF PCPN IN THE METARS.  GIVE THE VERY DRY AIR AT THE
SFC...WITH DEWPOINTS IN THE 20S...EXPECT THAT MUCH OR ALL OF THE
ECHO IS VIRGA.  HOWEVER...AS THE MAIN COLD POOL ASSOCIATED WITH THE
TROUGH MOVES ACROSS THE CWA OVER THE NEXT 4-5 HRS...THERE WILL BE A
GREATER POTENTIAL FOR SOME OF THE PCPN TO ACTUALLY REACH THE
GROUND.  ALSO...WITH VERY STEEP LAPSE RATES AND WITH VERY LOW
FREEZING LEVELS...UNDER 5KFT...SOME MORE GRAUPEL WITH THE HEAVIEST
SHOWERS WILL BE A POSSIBILITY.  FOR THE REMAINDER OF THE NIGHT...THE
DIURNAL CLOUD COVER WILL DISSIPATE AND SKIES WILL BECOME MOSTLY
CLEAR.  WITH STRONG RADIATIONAL COOLING...LIGHT WINDS AND LOW
DEWPOINTS...EXPECT TEMPERATURES TO DROP INTO THE UPPER 20S TO AROUND
30F FOR MUCH OF THE CWA AWAY FROM LAKE MICHIGAN AND HEAVILY
URBANIZED AREAS.  SO...WILL ISSUE A FREEZE WARNING FOR ALL COUNTIES
EXCEPT COOK COUNTY.  HAVE INCLUDED THE OTHER LAKEFRONT COUNTIES IN
THE WARNING SINCE A MAJORITY OF THE COUNTY AWAY FROM THE LAKE SHOULD
DROP BELOW FREEZING.

FOR THE REMAINDER OF THE SHORT TERM FORECAST PERIOD...SATURDAY
THROUGH MONDAY...TEMPERATURES WILL BE ON THE INCREASE FOR BOTH MINS
AND MAXS.  FOR THE WEEKEND...HIGH TEMPS WILL BE IN THE LOWER TO
MIDDLE 50S AND BY MONDAY...HIGHS SHOULD BE IN THE MIDDLE TO UPPER
50S.  OVERNIGHT LOWS SHOULD...SIMILARLY...MODERATE AND DO NOT
ANTICIPATE MORE THAN JUST SOME PATCHY FROST FOR THE EARLY MORNING
HOURS.  SATURDAY SHOULD BE MOSTLY SUNNY AND DRY AS UPPER LEVEL AND
SFC RIDGING BUILDS ACROSS THE AREA.  THE NEXT CHANCE FOR SOME PCPN
WILL COME ON SUNDAY AS THE NEXT UPSTREAM SYSTEM DROPS OUT OF THE NRN
PLAINS AND ACROSS THE MIDWEST.  THE MODELS ARE TRENDING A LITTLE
STRONGER WITH THIS SYSTEM WITH A VERTICALLY STACKED CLOSED LOW
DEVELOPING AS THE SYSTEM MOVES OVER ERN IOWA SUNDAY AFTERNOON.  THE
PROGRESSION OF THE SYSTEM WILL THEN SLOW DOWN OVERNIGHT MONDAY AS
THE DEEPENING SFC LOW OFF THE NEW ENGLAND COAST EFFECTIVELY BLOCKS
PROGRESSION OF SYSTEMS TO THE WEST.  SO...ANTICIPATE THAT PCPN MAY
LINGER OVER THE ERN PORTIONS OF THE CWA INTO MONDAY MORNING.

FOR THE LONGER TERM...FOR TUESDAY THROUGH FRIDAY...FORECAST
UNCERTAINTY INCREASES WITH TIME THROUGH THE PERIOD.  THE GUIDANCE IS
RELATIVELY CONSISTENT IN KEEPING THE AREA DRY INTO TUESDAY NIGHT...
BUT CONFIDENCE IN THE FORECAST DECREASES BY WEDNESDAY AS THE MODELS
BEGIN TO DIFFER SIGNIFICANTLY...ESPECIALLY IN HOW THEY HANDLE THE
SOUTHERN STREAM ENERGY LIFTING OUT OF THE SOUTHERN ROCKIES AND INTO
THE SRN PLAINS. THE ECMWF WANTS TO CLOSE OFF A SRN STREAM SHORTWAVE
INTO A CLOSED LOW...WHILE MAINTAINING STREAM SEPARATION WITH A NRN
STREAM SHORTWAVE.  THE GFS IS INDICATING A MORE PHASED
SOLUTION...BUT DOES SOMEWHAT EMPHASIZE THE NRN STREAM SHORTWAVE.
SO...WHILE EITHER SOLUTION WOULD POINT TO PCPN FOR THE AREA AT SOME
POINT FOR WEDNESDAY THROUGH FRIDAY...HAVE GONE WITH MORE GENERALIZED
CHANCE POPS RATHER THAN JUMP ON ONE SOLUTION OR THE OTHER AND WAIT A
FEW MORE CYCLES BEFORE COMMITTING TO HIGHER POPS.

KREIN

&&

.AVIATION...

//ORD AND MDW CONCERNS...UPDATED 06Z...

* ENDING OF SHOWERS AND WIND SHIFT FROM SOUTH TO WEST-NORTHWEST
  DURING PRE-DAWN HOURS.

RATZER

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

WEAK SURFACE TROUGH/COOL FRONT WAS MOVING SLOWLY ACROSS NORTHERN
ILLINOIS EARLY THIS MORNING...AND SHOULD MOVE THROUGH KRFD SHORTLY
AND ACROSS CHICAGO AREA TERMINALS 09-10Z. TRAILING EDGE OF
SCATTERED SHOWERS AHEAD OF THIS FRONT WERE ALREADY MOVING THROUGH
KORD/KMDW AND SHOULD BE PAST KGYY AFTER 07Z OR SO. SOUTH-SOUTHWEST
WINDS LESS THAN 10 KTS AHEAD OF THE FRONT WILL SHIFT TO THE WEST
WITH FROPA. GOES IR SATELLITE IMAGERY DEPICTS FAIRLY QUICK
TRANSITION TO CLEAR SKIES BEHIND THE FRONT. WHILE SOME PATCHY
GROUND FOG NOT COMPLETELY OUT OF THE QUESTION AS SKIES CLEAR OVER
MOIST GROUND IN LIGHT GRADIENT...AIR IS FAIRLY DRY JUST ABOVE THE
SURFACE AND DRIER AIR WILL FILTER IN BEHIND THE FRONT OVERNIGHT.
VFR CONDITIONS ARE EXPECTED TO CONTINUE THROUGH THE REMAINDER OF
THE TAF PERIOD.

SURFACE HIGH PRESSURE RIDGE SPREADS ACROSS TERMINALS LATE
SATURDAY AFTERNOON AND EVENING...WITH WEST-NORTHWEST WINDS AROUND
10 KT DURING THE DAY DECREASING AND BACKING TO THE SOUTH AGAIN IN
THE EVENING. MID/HIGH CLOUDS WILL INCREASE LATE SATURDAY NIGHT AS
NEXT SYSTEM APPROACHES.

RATZER

//ORD AND MDW CONFIDENCE...UPDATED 06Z...

* HIGH CONFIDENCE ALL ELEMENTS.

RATZER

//OUTLOOK FOR ORD/MDW FOR 12Z SUNDAY-12Z FRIDAY...UPDATED 00Z...

SUNDAY...CHANCE OF SHOWERS WITH MVFR CIGS POSSIBLE.

MONDAY...MVFR POSSIBLE EARLY...THEN VFR.

TUESDAY...VFR.

WEDNESDAY...CHANCE SHRA WITH MVFR POSSIBLE.

THURSDAY...MVFR POSSIBLE EARLY.

MDB

&&

.MARINE...
323 AM CDT

THE MAIN MARINE FORECAST CONCERN THIS MORNING IS WITH SOUTH GALES
DEVELOPING ON THE SOUTH HALF OF LAKE MICHIGAN SUNDAY MORNING AS
LOW PRESSURE DROPS SOUTHEAST ACROSS THE UPPER MIDWEST. MODELS ARE
IN GOOD AGREEMENT IN SOUTH WINDS STRENGTHENING RAPIDLY AS THE
GRADIENT TIGHTENS AHEAD OF THE LOW...WITH FORECAST SOUNDINGS
DEPICTING WINDS INCREASING ABOVE 30 KTS WITHIN THE MIXED LAYER BY
MID MORNING. THE LOW WILL THEN BEGIN TO FILL BY EVENING AS IT
DRIFTS EAST...WITH GALES DROPPING OFF FAIRLY QUICKLY LATE IN THE
DAY. BASED ON THIS HAVE HOISTED A GALE WARNING FOR THE OPEN WATERS
OF SOUTHERN LAKE MICHIGAN FOR SUNDAY.

FOR THE ILLINOIS AND INDIANA NEARSHORE WATERS...WINDS WILL LIKELY
GUST TO 30 KTS FOR A TIME SUNDAY. WILL HAVE A SMALL CRAFT ADVISORY
FROM EARLY SUNDAY MORNING THROUGH EARLY SUNDAY EVENING.

THE LOW WILL CONTINUE TO FILL AS IT DRIFTS EAST ACROSS THE LAKE
LATER SUNDAY NIGHT AND MONDAY. DEEPER LOW PRESSURE WILL MOVE
ACROSS CENTRAL CANADA EARLY NEXT WEEK...SETTING UP A PERIOD OF
SOUTHWEST FLOW ACROSS THE WESTERN LAKES REGION.

RATZER

&&

.LOT WATCHES/WARNINGS/ADVISORIES...
IL...FREEZE WARNING...ILZ003-ILZ004-ILZ005-ILZ006-ILZ008-ILZ010-
     ILZ011-ILZ012-ILZ013-ILZ019-ILZ020-ILZ021-ILZ022-ILZ023-
     ILZ032-ILZ033-ILZ039 UNTIL 9 AM SATURDAY.

IN...FREEZE WARNING...INZ001-INZ002-INZ010-INZ011-INZ019 UNTIL 9 AM
     SATURDAY.

LM...GALE WARNING...LMZ080-LMZ567-LMZ669-LMZ671-LMZ673-LMZ675-LMZ777-
     LMZ779-LMZ868-LMZ870-LMZ872-LMZ874-LMZ876-LMZ878...7 AM
     SUNDAY TO 7 PM SUNDAY.

&&
Hazardous weather outlook, Oct 28, 3:57 PM CDT, 11 hours 47 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
357 PM CDT FRI OCT 28 2011

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
292100-
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-
357 PM CDT FRI OCT 28 2011 /457 PM EDT FRI OCT 28 2011/

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...SATURDAY THROUGH THURSDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.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>745-292100-
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-
357 PM CDT FRI OCT 28 2011

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...SATURDAY THROUGH THURSDAY.

STRONG WINDS MAY LEAD TO HAZARDOUS CONDITIONS FOR SMALL CRAFT FOR
BOTH THE ILLINOIS AND INDIANA NEARSHORE WATERS ON SUNDAY.

&&

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-
870-872-874-876-878-292100-
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-
357 PM CDT FRI OCT 28 2011

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

.DAY ONE...TONIGHT.

THERE IS A SLIGHT CHANCE OF THUNDERSTORMS AND WATERSPOUTS ACROSS
THE ENTIRE LAKE TONIGHT.

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

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

&&

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

KREIN

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 29, 3:13 PM CDTSmall Craft AdvisoryLOT36 hr
Oct 29, 3:19 PM CDTFrost AdvisoryLOTBoone, DeKalb, DuPage, Grundy, Iroquois, Kane and 3 more17 hr

Nearby

Gale Warnings in Illinois, 2011Every gale warning in 2011

Sources

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