Alert archive / Illinois / Gale Watches in 2008

Gale Watch 21, NWS Chicago, IL

October 19, 2008

NWS Chicago, IL issued this gale watch at Oct 19, 2008, 3:44 AM CDT. It took effect at Oct 20, 2008, 1:00 PM CDT. It was in force for .

The area

The counties it named.

The facts

Issued
Oct 19, 2008, 3:44 AM CDT (08:44 UTC)
In effect from
Oct 20, 2008, 1:00 PM CDT
Expired
Oct 20, 2008, 3:57 AM CDT
In force
Issued by
NWS Chicago, IL

The text

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

000
WHUS73 KLOT 190844
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
344 AM CDT SUN OCT 19 2008

...SOUTHERLY GALES LIKELY ON NORTHERN LAKE MICHIGAN SUNDAY AND
SUNDAY EVENING...
...NORTHERLY GALES LIKELY ON ALL OF LAKE MICHIGAN FROM MONDAY
MIDDAY UNTIL LATE MONDAY NIGHT...

.SOUTHERLY GALES WILL DEVELOP ACROSS NORTHERN LAKE MICHIGAN
SUNDAY IN RESPONSE TO A TIGHTENING SURFACE PRESSURE GRADIENT
BETWEEN HIGH PRESSURE OVER THE NORTHEAST AND LOW PRESSURE OVER
CANADA. GALES WILL THEN REDEVELOP VIA NORTH WINDS BEHIND A COLD
FRONT MONDAY INTO MONDAY NIGHT SPREADING FROM NORTH TO SOUTH
ACROSS THE LAKE. 

LMZ261-362-364-366-563-565-567-868-191645-
/O.CON.KLOT.GL.W.0037.081019T1800Z-081020T0600Z/
/O.NEW.KLOT.GL.A.0021.081020T1800Z-081021T0600Z/
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 TOW RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM PENTWATER TO MANISTEE MI 5 NM OFFSHORE TO MID
LAKE-
344 AM CDT SUN OCT 19 2008

...GALE WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
1 AM CDT MONDAY...
...GALE WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH LATE MONDAY
NIGHT...

A GALE WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON UNTIL 1
AM MONDAY FOR THE NORTH HALF OF THE OPEN WATERS OF LAKE MICHIGAN.
IN ADDITION... THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED
A GALE WATCH FOR THE OPEN WATERS OF LAKE MICHIGAN FOR THE PERIOD FROM
MONDAY AFTERNOON THROUGH LATE MONDAY NIGHT.

SOUTH GALES TO 35 KNOTS ARE EXPECTED ON NORTHERN LAKE MICHIGAN
FROM MIDDAY SUNDAY THROUGH SUNDAY EVENING. NORTH GALES TO 35 KNOTS
ARE EXPECTED ON ALL OF LAKE MICHIGAN SPREADING NORTH TO SOUTH FROM
MIDDAY MONDAY UNTIL LATE MONDAY NIGHT.

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 GALE WATCH IS ISSUED WHEN THE RISK OF GALE FORCE WINDS OF 34 TO
47 KNOTS HAS SIGNIFICANTLY INCREASED, BUT THE SPECIFIC TIMING
AND/OR LOCATION IS STILL UNCERTAIN. IT IS INTENDED TO PROVIDE
ADDITIONAL LEAD TIME FOR MARINERS WHO MAY WISH TO CONSIDER
ALTERING THEIR PLANS.

&&

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-191645-
/O.NEW.KLOT.GL.A.0021.081020T1800Z-081021T0600Z/
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 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 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 SUN OCT 19 2008

...GALE WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH LATE MONDAY
NIGHT...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A GALE WATCH...
WHICH IS IN EFFECT FROM MONDAY AFTERNOON THROUGH LATE MONDAY
NIGHT. 

NORTH GALES TO 35 KNOTS ARE EXPECTED TO SPREAD FROM NORTH TO SOUTH
BEGINNING MIDDAY MONDAY LASTING UNTIL LATE MONDAY NIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WATCH IS ISSUED WHEN THE RISK OF GALE FORCE WINDS OF 34 TO
47 KNOTS HAS SIGNIFICANTLY INCREASED, BUT THE SPECIFIC TIMING
AND/OR LOCATION IS STILL UNCERTAIN. IT IS INTENDED TO PROVIDE
ADDITIONAL LEAD TIME FOR MARINERS WHO MAY WISH TO CONSIDER
ALTERING THEIR PLANS.

&&

$$

ED F
5 follow-up statements
000
WHUS73 KLOT 191508
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
1008 AM CDT SUN OCT 19 2008

...SOUTHERLY GALES LIKELY ON NORTHERN LAKE MICHIGAN FROM TODAY
THROUGH THIS EVENING... ...NORTHERLY GALES LIKELY ON ALL OF LAKE
MICHIGAN FROM MONDAY MIDDAY UNTIL LATE MONDAY NIGHT...

.SOUTHERLY GALES WILL DEVELOP ACROSS NORTHERN LAKE MICHIGAN
TODAY IN RESPONSE TO A TIGHTENING SURFACE PRESSURE GRADIENT BETWEEN
HIGH PRESSURE OVER THE NORTHEAST AND LOW PRESSURE OVER CANADA.
GALES WILL THEN REDEVELOP VIA NORTH WINDS BEHIND A COLD FRONT
MONDAY INTO MONDAY NIGHT SPREADING FROM NORTH TO SOUTH ACROSS THE
LAKE.

LMZ261-362-364-366-563-565-567-868-192315-
/O.CON.KLOT.GL.W.0037.081019T1800Z-081020T0600Z/
/O.CON.KLOT.GL.A.0021.081020T1800Z-081021T0600Z/
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 TOW RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM PENTWATER TO MANISTEE MI 5 NM OFFSHORE TO MID
LAKE-
1008 AM CDT SUN OCT 19 2008

...GALE WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
1 AM CDT MONDAY...
...GALE WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON THROUGH
LATE MONDAY NIGHT...

A GALE WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 1 AM
CDT MONDAY. A GALE WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON
THROUGH LATE MONDAY NIGHT. 

SOUTH GALES TO 35 KNOTS ARE EXPECTED ON NORTHERN LAKE MICHIGAN
FROM MIDDAY SUNDAY THROUGH SUNDAY EVENING. NORTH GALES TO
35 KNOTS ARE EXPECTED ON ALL OF LAKE MICHIGAN SPREADING NORTH TO
SOUTH FROM MIDDAY MONDAY UNTIL LATE MONDAY NIGHT.

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 GALE WATCH IS ISSUED WHEN THE RISK OF GALE FORCE WINDS OF 34 TO
47 KNOTS HAS SIGNIFICANTLY INCREASED... BUT THE SPECIFIC TIMING
AND/OR LOCATION IS STILL UNCERTAIN. IT IS INTENDED TO PROVIDE
ADDITIONAL LEAD TIME FOR MARINERS WHO MAY WISH TO CONSIDER
ALTERING THEIR PLANS.

&&

$$

LMZ740>745-192315-
/O.NEW.KLOT.SC.Y.0078.081019T1508Z-081020T0600Z/
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-
1008 AM CDT SUN OCT 19 2008

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT MONDAY...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A SMALL CRAFT
ADVISORY...WHICH IS IN EFFECT UNTIL 1 AM CDT MONDAY. 

SOUTH TO SOUTHWEST WINDS WILL INCREASE TO 15 TO 25 KNOTS THIS
MORNING...WITH THE POSSIBILITY OF A FEW GUSTS TO 30 KNOTS THIS
AFTERNOON. THE STRENGTHENING SOUTH TO SOUTHWEST WINDS WILL RESULT
IN WAVES BUILDING IN EXCESS OF 4 FEET ACROSS THE ILLINOIS AND
INDIANA NEARSHORE WATERS THIS AFTERNOON...MAINLY OUT CLOSER TO THE
OPEN WATERS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT SUSTAINED WINDS OR FREQUENT
GUSTS BETWEEN 22 AND 33 KNOTS ARE LIKELY...AND/OR WAVES GREATER
THAN 4 FEET ARE EXPECTED. INEXPERIENCED MARINERS...ESPECIALLY
THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE
CONDITIONS.

&&

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-192315-
/O.CON.KLOT.GL.A.0021.081020T1800Z-081021T0600Z/
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 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 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-
1008 AM CDT SUN OCT 19 2008

...GALE WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON THROUGH
LATE MONDAY NIGHT...

A GALE WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON THROUGH LATE
MONDAY NIGHT. 

NORTH GALES TO 35 KNOTS ARE EXPECTED TO SPREAD FROM NORTH TO
SOUTH BEGINNING MIDDAY MONDAY LASTING UNTIL LATE MONDAY NIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WATCH IS ISSUED WHEN THE RISK OF GALE FORCE WINDS OF 34 TO
47 KNOTS HAS SIGNIFICANTLY INCREASED... BUT THE SPECIFIC TIMING
AND/OR LOCATION IS STILL UNCERTAIN. IT IS INTENDED TO PROVIDE
ADDITIONAL LEAD TIME FOR MARINERS WHO MAY WISH TO CONSIDER
ALTERING THEIR PLANS.

&&

$$

MARSILI
000
WHUS73 KLOT 191621
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
1121 AM CDT SUN OCT 19 2008

...SOUTHERLY GALES LIKELY ON LAKE MICHIGAN FROM TODAY THROUGH
THIS EVENING... ...NORTHERLY GALES LIKELY ON LAKE MICHIGAN FROM
MONDAY MIDDAY UNTIL LATE MONDAY NIGHT...

.SOUTHERLY GALES WILL DEVELOP ACROSS LAKE MICHIGAN TODAY IN
RESPONSE TO A TIGHTENING SURFACE PRESSURE GRADIENT BETWEEN HIGH
PRESSURE OVER THE NORTHEAST AND LOW PRESSURE OVER CANADA. GALES
WILL THEN REDEVELOP VIA NORTH WINDS BEHIND A COLD FRONT MONDAY
INTO MONDAY NIGHT SPREADING FROM NORTH TO SOUTH ACROSS THE LAKE.

LMZ080-669-671-673-675-777-779-870-872-874-876-878-200030-
/O.EXA.KLOT.GL.W.0037.081019T1800Z-081020T0600Z/
/O.CON.KLOT.GL.A.0021.081020T1800Z-081021T0600Z/
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 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 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-
1121 AM CDT SUN OCT 19 2008

...GALE WARNING IN EFFECT UNTIL 1 AM CDT MONDAY...
...GALE WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON THROUGH
LATE MONDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A GALE
WARNING...WHICH IS IN EFFECT UNTIL 1 AM CDT MONDAY. A GALE WATCH
REMAINS IN EFFECT FROM MONDAY AFTERNOON THROUGH LATE MONDAY
NIGHT. 

SOUTH TO SOUTHWEST GALES TO 35 KNOTS ARE EXPECTED ON LAKE MICHIGAN
FROM MIDDAY THIS AFTERNOON INTO THIS EVENING. NORTH GALES TO 35
KNOTS ARE EXPECTED ON ALL OF LAKE MICHIGAN SPREADING NORTH TO
SOUTH FROM MIDDAY MONDAY UNTIL LATE MONDAY NIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WATCH IS ISSUED WHEN THE RISK OF GALE FORCE WINDS OF 34 TO
47 KNOTS HAS SIGNIFICANTLY INCREASED... BUT THE SPECIFIC TIMING
AND/OR LOCATION IS STILL UNCERTAIN. IT IS INTENDED TO PROVIDE
ADDITIONAL LEAD TIME FOR MARINERS WHO MAY WISH TO CONSIDER
ALTERING THEIR PLANS.

&&

$$

LMZ261-362-364-366-563-565-567-868-200030-
/O.CON.KLOT.GL.W.0037.081019T1800Z-081020T0600Z/
/O.CON.KLOT.GL.A.0021.081020T1800Z-081021T0600Z/
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 TOW RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM PENTWATER TO MANISTEE MI 5 NM OFFSHORE TO MID
LAKE-
1121 AM CDT SUN OCT 19 2008

...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM CDT MONDAY...
...GALE WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON THROUGH
LATE MONDAY NIGHT...

A GALE WARNING REMAINS IN EFFECT UNTIL 1 AM CDT MONDAY. A GALE
WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON THROUGH LATE MONDAY
NIGHT. 

SOUTH TO SOUTHWEST GALES TO 35 KNOTS ARE EXPECTED ON LAKE MICHIGAN
FROM THIS AFTERNOON THIS EVENING. NORTH GALES TO 35 KNOTS ARE
EXPECTED ON ALL OF LAKE MICHIGAN SPREADING NORTH TO SOUTH FROM
MIDDAY MONDAY UNTIL LATE MONDAY NIGHT.

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 GALE WATCH IS ISSUED WHEN THE RISK OF GALE FORCE WINDS OF 34 TO
47 KNOTS HAS SIGNIFICANTLY INCREASED... BUT THE SPECIFIC TIMING
AND/OR LOCATION IS STILL UNCERTAIN. IT IS INTENDED TO PROVIDE
ADDITIONAL LEAD TIME FOR MARINERS WHO MAY WISH TO CONSIDER
ALTERING THEIR PLANS.

&&

$$

LMZ740>745-200030-
/O.CON.KLOT.SC.Y.0078.000000T0000Z-081020T0600Z/
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-
1121 AM CDT SUN OCT 19 2008

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT MONDAY...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT MONDAY. 

SOUTH TO SOUTHWEST WINDS WILL INCREASE TO 15 TO 25 KNOTS THIS
MORNING...WITH THE POSSIBILITY OF A FEW GUSTS TO 30 KNOTS THIS
AFTERNOON. THE STRENGTHENING SOUTH TO SOUTHWEST WINDS WILL RESULT
IN WAVES BUILDING IN EXCESS OF 4 FEET ACROSS THE ILLINOIS AND
INDIANA NEARSHORE WATERS THIS AFTERNOON...MAINLY OUT CLOSER TO
THE OPEN WATERS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT SUSTAINED WINDS OR FREQUENT
GUSTS BETWEEN 22 AND 33 KNOTS ARE LIKELY...AND/OR WAVES GREATER
THAN 4 FEET ARE EXPECTED. INEXPERIENCED MARINERS...ESPECIALLY
THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE
CONDITIONS.

&&

$$

MARSILI
000
WHUS73 KLOT 192057
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
357 PM CDT SUN OCT 19 2008

...SOUTHERLY GALES THROUGH THIS EVENING... ...NORTHERLY GALES
LIKELY ON LAKE MICHIGAN FROM MONDAY MIDDAY UNTIL LATE MONDAY
NIGHT...

.SOUTH GALES WILL CONTINUE THROUGH THIS EVENING ACROSS LAKE
MICHIGAN IN RESPONSE TO A STRONG SURFACE PRESSURE GRADIENT OVER
THE WESTERN GREAT LAKES. WINDS WILL DIMINISH BELOW GALE FORCE LATER
TONIGHT...THOUGH GALES WILL REDEVELOP FROM THE NORTH ACROSS LAKE
MICHIGAN BEHIND A COLD FRONT MIDDAY MONDAY INTO MONDAY NIGHT.

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-200500-
/O.CON.KLOT.GL.W.0037.000000T0000Z-081020T0600Z/
/O.CON.KLOT.GL.A.0021.081020T1800Z-081021T0600Z/
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 TOW 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 SUN OCT 19 2008

...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM CDT MONDAY...
...GALE WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON THROUGH
LATE MONDAY NIGHT...

A GALE WARNING REMAINS IN EFFECT UNTIL 1 AM CDT MONDAY. A GALE
WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON THROUGH LATE MONDAY
NIGHT. 

SOUTH GALES TO 35 KNOTS ARE EXPECTED ON LAKE MICHIGAN THROUGH
THIS EVENING. NORTH GALES TO 35 KNOTS ARE EXPECTED TO DEVELOP FROM
NORTH TO SOUTH ON ALL OF LAKE MICHIGAN FROM MIDDAY MONDAY INTO LATE
MONDAY NIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WATCH IS ISSUED WHEN THE RISK OF GALE FORCE WINDS OF 34 TO
47 KNOTS HAS SIGNIFICANTLY INCREASED... BUT THE SPECIFIC TIMING
AND/OR LOCATION IS STILL UNCERTAIN. IT IS INTENDED TO PROVIDE
ADDITIONAL LEAD TIME FOR MARINERS WHO MAY WISH TO CONSIDER
ALTERING THEIR PLANS.

&&

$$

LMZ740>745-200500-
/O.CON.KLOT.SC.Y.0078.000000T0000Z-081020T0600Z/
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 SUN OCT 19 2008

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT MONDAY...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT MONDAY. 

SOUTH WINDS OF 15 TO 25 KNOTS WILL RESULT IN WAVES IN EXCESS OF 4
FEET ACROSS THE ILLINOIS AND INDIANA NEARSHORE WATERS INTO THIS
EVENING...MAINLY A FEW MILES OFF SHORE TOWARD OPEN WATERS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT SUSTAINED WINDS OR FREQUENT
GUSTS BETWEEN 22 AND 33 KNOTS ARE LIKELY...AND/OR WAVES GREATER
THAN 4 FEET ARE EXPECTED. INEXPERIENCED MARINERS...ESPECIALLY
THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE
CONDITIONS.

&&

$$

RATZER
000
WHUS73 KLOT 200233
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
933 PM CDT SUN OCT 19 2008

...NORTHERLY GALES LIKELY ON LAKE MICHIGAN FROM MONDAY AFTERNOON
UNTIL LATE MONDAY NIGHT...

.NORTH GALES WILL DEVELOP ACROSS LAKE MICHIGAN MONDAY BEHIND A
COLD FRONT WHICH WILL PUSH SOUTH DOWN THE LAKE. NORTH GALE FORCE
WINDS WILL CONTINUE THROUGH MONDAY NIGHT.

LMZ080-669-671-673-675-777-779-870-872-874-876-878-201045-
/O.CAN.KLOT.GL.W.0037.000000T0000Z-081020T0600Z/
/O.EXT.KLOT.GL.A.0021.081021T0000Z-081021T0600Z/
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 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 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-
933 PM CDT SUN OCT 19 2008

...GALE WATCH NOW IN EFFECT FROM MONDAY EVENING THROUGH LATE
MONDAY NIGHT...
...GALE WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS CANCELLED THE GALE
WARNING FOR THIS EVENING. A GALE WATCH REMAINS IN EFFECT FROM
MONDAY EVENING THROUGH LATE MONDAY NIGHT.

SOUTH WINDS HAVE DIMINISHED BELOW GALE FORCE ACROSS LAKE MICHIGAN
THIS EVENING. HOWEVER...NORTH GALES ARE EXPECTED TO DEVELOP LATE
MONDAY BEHIND A COLD FRONT WHICH WILL PUSH SOUTH ACROSS THE LAKE
DURING THE DAY. NORTH GALES WILL CONTINUE INTO LATE MONDAY NIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WATCH IS ISSUED WHEN THE RISK OF GALE FORCE WINDS OF 34 TO
47 KNOTS HAS SIGNIFICANTLY INCREASED... BUT THE SPECIFIC TIMING
AND/OR LOCATION IS STILL UNCERTAIN. IT IS INTENDED TO PROVIDE
ADDITIONAL LEAD TIME FOR MARINERS WHO MAY WISH TO CONSIDER
ALTERING THEIR PLANS.

&&

$$

LMZ261-362-364-366-563-565-567-868-201045-
/O.CAN.KLOT.GL.W.0037.000000T0000Z-081020T0600Z/
/O.CON.KLOT.GL.A.0021.081020T1800Z-081021T0600Z/
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 TOW RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM PENTWATER TO MANISTEE MI 5 NM OFFSHORE TO MID
LAKE-
933 PM CDT SUN OCT 19 2008

...GALE WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON THROUGH
LATE MONDAY NIGHT...
...GALE WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS CANCELLED THE GALE
WARNING FOR LAKE MICHIGAN THIS EVENING. A GALE WATCH REMAINS IN
EFFECT FROM MONDAY AFTERNOON THROUGH LATE MONDAY NIGHT.

SOUTH WINDS HAVE DIMINISHED BELOW GALE FORCE THIS EVENING.
HOWEVER...NORTH GALES ARE EXPECTED TO DEVELOP MONDAY AFTERNOON
BEHIND A COLD FRONT PUSHING SOUTH ACROSS THE LAKE. NORTH GALES
WILL CONTINUE INTO MONDAY NIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WATCH IS ISSUED WHEN THE RISK OF GALE FORCE WINDS OF 34 TO
47 KNOTS HAS SIGNIFICANTLY INCREASED... BUT THE SPECIFIC TIMING
AND/OR LOCATION IS STILL UNCERTAIN. IT IS INTENDED TO PROVIDE
ADDITIONAL LEAD TIME FOR MARINERS WHO MAY WISH TO CONSIDER
ALTERING THEIR PLANS.

&&

$$

LMZ740>745-200345-
/O.CAN.KLOT.SC.Y.0078.000000T0000Z-081020T0600Z/
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-
933 PM CDT SUN OCT 19 2008

...SMALL CRAFT ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS CANCELLED THE SMALL
CRAFT ADVISORY. 

SOUTH WINDS HAVE DIMINISHED THIS EVENING...ALLOWING THE SMALL
CRAFT ADVISORY TO BE CANCELLED FOR TONIGHT. WAVES WILL REMAIN
BELOW 4 FEET...WITH SOUTH WINDS DIMINISHING TO 10 TO 15 KNOTS.

$$

RATZER
000
WHUS73 KLOT 200857
MWWLOT

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
357 AM CDT MON OCT 20 2008

...GALE WATCH CANCELLED FOR THE OPEN WATERS...SMALL CRAFT ADVISORY
ISSUED FOR THE ILLINOIS AND INDIANA NEARSHORE WATERS TONIGHT
THROUGH TUESDAY NIGHT...

.STRONG NORTH TO NORTHEAST WINDS TONIGHT THROUGH TUESDAY WILL
CREATE HAZARDOUS CONDITIONS FOR SMALL CRAFT ALONG THE ILLINOIS AND
INDIANA SHORES OF LAKE MICHIGAN.

LMZ261-362-364-366-563-565-567-868-201000-
/O.CAN.KLOT.GL.A.0021.081020T1800Z-081021T0600Z/
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 TOW RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM PENTWATER TO MANISTEE MI 5 NM OFFSHORE TO MID
LAKE-
357 AM CDT MON OCT 20 2008

...GALE WATCH IS CANCELLED...

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

NORTH WINDS WILL INCREASE TO 30 KNOTS LATE THIS AFTERNOON AND
TONIGHT...BUT GALE FORCE WINDS ARE NOT EXPECTED.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-201000-
/O.CAN.KLOT.GL.A.0021.081021T0000Z-081021T0600Z/
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 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 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 AM CDT MON OCT 20 2008

...GALE WATCH IS CANCELLED...

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

NORTH WINDS WILL INCREASE TO 30 KNOTS LATE THIS AFTERNOON AND
TONIGHT...BUT GALE FORCE WINDS ARE NOT EXPECTED.

$$

LMZ740>745-201700-
/O.NEW.KLOT.SC.Y.0079.081021T0000Z-081022T1200Z/
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 AM CDT MON OCT 20 2008

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 7 AM
CDT WEDNESDAY...

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

NORTH WINDS WILL INCREASE TO 15 TO 25 KNOTS TONIGHT AND TUESDAY
MORNING. THIS WILL CREATE HAZARDOUS WAVES OF 4 TO 7 FEET. ISOLATED
WATERSPOUTS ARE POSSIBLE LATE TONIGHT AND TUESDAY MORNING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT SUSTAINED WINDS OR FREQUENT
GUSTS BETWEEN 22 AND 33 KNOTS ARE LIKELY...AND/OR WAVES GREATER
THAN 4 FEET ARE EXPECTED. INEXPERIENCED MARINERS...ESPECIALLY
THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE
CONDITIONS.

&&

$$

ALLSOPP

What forecasters said that day

The local office's own words before this gale watch 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 watch went out at Oct 19, 3:09 AM CDT, 35 minutes earlier.

Area forecast discussion, Oct 19, 3:09 AM CDT, 35 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
309 AM CDT SUN OCT 19 2008

.DISCUSSION...
308 AM CDT

NOT TOO MUCH TO TALK ABOUT WEATHER-WISE ON THE HOME FRONT...OR
REALLY ACROSS THE NATION THIS MORNING WITH A FAIRLY BENIGN WEATHER
PATTERN FOR THE NEXT SEVERAL DAYS.

BIG FORECAST CHALLENGE FOR TODAY IS WITH WIND AND TEMPS. AS SFC
HIGH CONTINUES TO RETREAT OFF TO THE EAST AND TROUGH/COLD FRONT
SLOWLY APPROACHES FROM THE NW...WE SHOULD SEE A TIGHTENING OF THE
PRESSURE GRADIENT ACROSS THE AREA TODAY. FORECAST SOUNDINGS FOR
THIS AFTERNOON CERTAINLY SUPPORT GUSTS OF 25-30 MPH SO IT SHOULD
BE A FAIRLY WINDY AFTERNOON. TEMPERATURES ARE GOING TO BE A BIT
TRICKIER AS THERMAL RIDGE AT 850MB IS PROGGED TO FLOP EASTWARD
INTO THE AREA...WITH FORECAST SOUNDINGS SUGGESTING A FAIRLY STOUT
INVERSION THAT PREVENTS US FROM MIXING TO OUR FULL POTENTIAL.
DESPITE THIS AND THE LIKELIHOOD OF BKN DECK OF HIGH CLOUDINESS
TODAY HAVE GONE SEVERAL DEGREES ABOVE GUIDANCE AS WE WILL BE
GETTING A FAIRLY MILD START TO THE DAY AND WE TYPICALLY WARM MORE
THAN GUIDANCE ON DAYS WITH GUSTY SW WINDS AHEAD OF A FRONT. FOR
MUCH THE SAME REASONING HAVE GONE WELL ABOVE GUIDANCE FOR LOWS
TONIGHT AS COMBINATION OF CLOUD COVER AND MODEST GRADIENT SHOULD
PUT A DAMPER ON THE TYPICAL DIURNAL TEMP FALL.

MODELS HAVE SLOWED THE ARRIVAL OF THE COLD FRONT BY ABOUT 6-12
HOURS FROM THEIR RUNS 24 HOURS AGO...AND THIS SHOULD ALLOW FOR
SLIGHTLY MILDER TEMPS THAN PREVIOUSLY THOUGHT FOR MONDAY. WITH
RESPECT TO PRECIP CHANCES WITH THE FRONT...IT STILL LOOKS PRETTY
UNIMPRESSIVE. STRONGEST FORCING ALOFT WILL STAY WELL TO OUR NE AND
WITH ONLY LIMITED MOISTURE RETURN (AT BEST)...STILL THINK LOW END
CHANCE POPS ARE ABOUT ALL THAT CAN BE JUSTIFIED ALONG THE FRONT IN
OUR CWA.

IN THE WAKE OF THE FRONT WE WILL SEE A RATHER HEALTHY...ALBEIT
BRIEF...SHOT OF COLD AIR ADVECTION LATE MONDAY INTO TUESDAY. OTHER
THAN KNOCKING ABOUT 10 DEGREES OFF OUR HIGHS...THE MAIN EFFECTS
THIS SHOT OF COLD AIR WILL HAVE IS TO CRANK UP THE LAKE EFFECT
MACHINE. THE BIG QUESTION FOR NOW IS WHETHER THE MACHINE WILL BE
PRODUCING EXTENSIVE CLOUD COVER AND MAYBE SOME SPRINKLES OR
POSSIBLY SOME HEALTHY SHOWERS...LIKE WHAT WE SAW FRIDAY NIGHT. THE
DIFFERENCE LIES IN THE HANDLING OF THE AMOUNT OF MID LEVEL HEIGHT
FALLS/COLD AIR ADVECTION AND ITS EFFECT ON THE INVERSION HEIGHTS.
THE WRF-NMM DEVELOPS A MUCH MORE ROBUST MID LEVEL SYSTEM CLOSING
OFF A CIRCULATION AT 500MB OVER LAKE HURON BY 12Z TUES...WHILE THE
GFS HAS AN OPEN WAVE CENTERED OVER QUEBEC. THE MEANS THE
DIFFERENCE BETWEEN EQUILIBRIUM LEVELS OF NEARLY 12KFT IN THE WRF-
NMM...WHICH GIVEN THE THERMODYNAMIC PROFILE WOULD STRONGLY SUPPORT
LAKE EFFECT SHOWERS. THE GFS ON THE OTHER HAND HAS A MUCH LOWER
INVERSION WITH LAKE INDUCED EQUILIBRIUM LEVELS BARELY ABOVE
4KFT...WHICH WOULD RESULT IN AN EXTENSIVE STRATOCUMULUS DECK AND
ONLY SOME SPRINKLES. THE WRF-NMM IS THE OUTLIER WHEN COMPARED WITH
THE GFS/GEM AND TO A LESSER EXTENT THE ECMWF...SO HAVE HUNG ONTO
THE SLIGHT CHANCE POPS FOR MON NIGHT INTO TUESDAY DOWNWIND OF THE
LAKE (MAINLY NW IN AND FAR SE COOK COUNTY) JUST IN CASE THE WRF-
NMM WERE TO VERIFY.

BEYOND TUESDAY NO CHANGES MADE TO GOING FORECAST AS A VERY HIGH
DEGREE OF UNCERTAINTY EXISTS AS ALL MEDIUM RANGE MODELS DEVELOP A
MASSIVE CUT OFF GYRE OVER THE MIDDLE OF THE NATION. MODELS
CONTINUE TO STRUGGLE WITH RUN-TO-RUN AND INTERMODEL CONSISTENCY
WITH THE HANDLING OF THIS FEATURE...WHICH ISNT ATYPICAL OF SUCH A
LARGE CUT OFF SYSTEM. GIVEN THE LOW CONFIDENCE FELT THE COURSE OF
LEAST REGRET WAS TO LET GOING FORECAST RIDE...THOUGH MY GUT SAYS
THIS CUT OFF MAY WELL END UP DEVELOPING AND HANGING BACK FARTHER
WEST WITH PRECIP CHANCES HOLDING OFF UNTIL LATER THAN WE CURRENTLY
ARE ADVERTISING IN THE GRIDS.

IZZI

&&

.AVIATION...
1232 AM CDT

0600 UTC TAFS...VFR CONDITIONS TO CONTINUE NEXT 24 HOURS WITH WIND
BEING THE MAIN FORECAST CONCERN. 05Z SURFACE ANALYSIS SHOWS
DEPARTING RIDGE OVER THE EASTERN GREAT LAKES WITH SOUTHERLY
GRADIENT FLOW PICKING UP BEHIND THE SURFACE HIGH ACROSS THE LOCAL
AREA. WHILE CANT RULE OUT PATCHY GROUND FOG IN MORE RURAL LOW
LYING AREAS...LIGHT S-SE SURFACE FLOW COMBINED WITH DRY AIRMASS
WILL KEEP ANY WIDESPREAD FOG FROM DEVELOPING EARLY THIS MORNING.

DIURNAL MIXING AFTER SUN UP SUNDAY COMBINED WITH INTENSIFYING
GRADIENT AHEAD OF LOW PRESSURE AND COLD FRONT ACROSS THE PLAINS
WILL SUPPORT GUSTY WINDS BY LATE MORNING IN THE LOCAL AREA AS HIGHER
MOMENTUM AIR IS TRANSPORTED DOWNWARD TO THE SURFACE. FORECAST
SOUNDINGS ONLY SHOWING MIXED LAYER TO 885 MB OR 3400 FT WHICH
SHOULD CAP GUSTS TO AROUND 25 KTS AND ALSO INHIBIT ANY DIURNAL CU
FROM FORMING.

HENCE CLOUD WISE ONLY EXPECT PATCHES OF CI DURING THE DAY SUNDAY WITH
AN OVERALL INCREASING AND THICKENING TREND IN CI TOWARD EVENING.

ED F

&&

.MARINE...
1255 PM CDT

A LARGE HIGH PRESSURE RIDGE COVERING THE WESTERN GREAT LAKES WILL
MOVE SLOWLY EASTWARD TO EXTEND FROM THE LOWER LAKES THROUGH THE OHIO
VALLEY BY SUNDAY MORNING. AS THE RIDGE MOVES FURTHER OFF TO THE
EAST...A COLD FRONTAL TROUGH WILL BE APPROACHING THE UPPER GREAT
LAKES. THIS WILL CAUSE A TIGHTENING OF THE PRESSURE
GRADIENT...RESULTING IN INCREASING SOUTH TO SOUTHWEST WINDS ON
SUNDAY.  WINDS ACROSS NORTHERN LAKE MICHIGAN ARE EXPECTED TO
INCREASE TO AROUND 30 KNOTS BY SUNDAY AFTERNOON AND REMAIN ELEVATED
INTO SUNDAY NIGHT.  WIND SPEEDS FURTHER SOUTH WILL GRADUALLY
DECREASE...BUT A SUSTAINED SOUTHERLY FETCH WILL RESULT IN HIGH WAVES
ESPECIALLY ALONG THE NORTH AND EAST SHORES BY SUNDAY AFTERNOON.  THE
COLD FRONT IS FORECAST TO MOVE SOUTHWARD ACROSS LAKE MICHIGAN LATE
SUNDAY NIGHT AND MONDAY. BEHIND THIS FRONT...HIGH PRESSURE WILL
BUILD INTO WESTERN ONTARIO...WITH A RIDGE EXTENDING SOUTHWARD ACROSS
THE UPPER MISSISSIPPI VALLEY BY TUESDAY MORNING.

MERZLOCK

&&

.LOT WATCHES/WARNINGS/ADVISORIES...
IL...NONE.
IN...NONE.
LM...GALE WARNING...LMZ261-LMZ362-LMZ364-LMZ366-LMZ563-LMZ565-LMZ567-
     LMZ868...1 PM SUNDAY TO 1 AM MONDAY.

&&
Hazardous weather outlook, Oct 19, 3:40 AM CDT, 4 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
340 AM CDT SUN OCT 19 2008

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
200845-
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-
340 AM CDT SUN OCT 19 2008 /440 AM EDT SUN OCT 19 2008/

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

.DAY ONE...TODAY AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

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>745-200845-
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-
340 AM CDT SUN OCT 19 2008

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

.DAY ONE...TODAY AND TONIGHT.

STRONG SOUTHERLY WINDS WILL LEAD TO HAZARDOUS CONDITIONS FOR SMALL
CRAFT THIS AFTERNOON AND TONIGHT.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

STRONG NORTHERLY WINDS AND HIGH WAVES WILL LEAD TO HAZARDOUS
CONDITIONS FOR SMALL CRAFT MONDAY INTO TUESDAY.

&&

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-
870-872-874-876-878-200845-
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 TOW 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-
340 AM CDT SUN OCT 19 2008

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

.DAY ONE...TODAY AND TONIGHT.

GALE FORCE WINDS TO 35 KNOTS ARE LIKELY THIS AFTERNOON AND EVENING
OVER NORTHERN PORTIONS OF THE OPEN WATERS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

GALE FORCE WINDS TO 35 KNOTS ARE POSSIBLE MONDAY AFTERNOON INTO
MONDAY NIGHT.

&&

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

IZZI

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 18, 10:55 PM CDTGale WarningLOT23 hr
Oct 19, 10:08 AM CDTSmall Craft AdvisoryLOT11 hr

Nearby

Gale Watches in Illinois, 2008Every gale watch in 2008

Sources

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