Alert archive / Michigan / Storm Warnings in 2011

Storm Warning 4, NWS Detroit, MI

October 19, 2011

NWS Detroit, MI issued this storm warning at Oct 19, 2011, 4:30 AM EDT. It took effect at Oct 19, 2011, 4:00 PM EDT. It was in force for 12 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Oct 19, 2011, 4:30 AM EDT (08:30 UTC)
In effect from
Oct 19, 2011, 4:00 PM EDT
Expired
Oct 20, 2011, 4:10 AM EDT
In force
12 hr
Issued by
NWS Detroit, MI

The text

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

330 
WHUS73 KDTX 190830
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
430 AM EDT WED OCT 19 2011

...A POWERFUL LOW PRESSURE SYSTEM WILL IMPACT THE GREAT LAKES
TODAY THROUGH THURSDAY...

.GALE AND STORM WARNINGS ARE IN EFFECT TODAY THROUGH TONIGHT FOR A 
POWERFUL LOW PRESSURE SYSTEM DEVELOPING OVER THE TENNESSEE AND OHIO 
VALLEYS TODAY. AS THE STORM DEEPENS, IT WILL MOVE TO A POSITION NEAR 
COLUMBUS OHIO BY THIS EVENING. AS A RESULT, NORTHEAST WINDS WILL 
QUICKLY INCREASE TO GALE FORCE TODAY OVER THE SOUTH HALF OF LAKE 
HURON AND SAGINAW BAY, AND THEN INCREASE TO FREQUENT STORM FORCE 
GUSTS OVER CENTRAL SECTIONS AS FAR NORTH AS PRESQUE ISLE BY THIS 
EVENING THROUGH TONIGHT. LOW VISIBILITY IN HEAVY RAINFALL WILL ALSO 
BE A CONCERN OVER ALL MARINE AREAS TODAY THROUGH TONIGHT. THE TRACK 
OF THE SURFACE LOW ABOUT OVER WESTERN LAKE ERIE AND LAKE ST CLAIR IS 
EXPECTED TO RESULT IN WINDS BELOW GALE FORCE IN THOSE AREAS. THE 
STRONG WIND CONDITIONS WILL THEN IMPROVE THURSDAY NIGHT INTO FRIDAY 
AS THIS LOW PRESSURE SYSTEM TRACKS INTO QUEBEC.

LHZ362-363-192030-
/O.EXB.KDTX.GL.W.0054.111019T1200Z-111019T2200Z/
/O.UPG.KDTX.SR.A.0002.111019T1400Z-111020T2100Z/
/O.NEW.KDTX.SR.W.0004.111019T2200Z-111020T0800Z/
LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT MI BEYOND
5NM OFF SHORE-
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF
SHORE-
430 AM EDT WED OCT 19 2011

...GALE WARNING IN EFFECT FROM 8 AM THIS MORNING TO 6 PM EDT THIS
EVENING...
...STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 4 AM EDT
THURSDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
STORM WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 4 AM
EDT THURSDAY. A GALE WARNING HAS ALSO BEEN ISSUED. THIS GALE
WARNING IS IN EFFECT FROM 8 AM THIS MORNING TO 6 PM EDT THIS
EVENING. 

* WIND AND WAVES: DURING THE STORM WARNING...EXPECT SUSTAINED
  WINDS UP TO 44 KNOTS FROM THE NORTHEAST WITH GUSTS UP TO 53
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 22 FEET
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 28 FEET.

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 12 AM EDT 
  THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 2 AM EDT 
  THURSDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 35 KNOTS FROM THE NORTHEAST WITH GUSTS UP TO 44 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 15 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 22 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 5 PM EDT 
  WEDNESDAY WITH THE LARGEST WAVES EXPECTED AROUND 5 PM EDT 
  WEDNESDAY. 

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A STORM WARNING MEANS WINDS OF 48 TO 63 KNOTS ARE IMMINENT OR
OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE
SHELTER UNTIL WINDS AND WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD
PREPARE FOR VERY STRONG WINDS AND DANGEROUS SEA CONDITIONS...AND
CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL WINDS
AND WAVES SUBSIDE.

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.

&&

$$

LHZ421-441-462-192030-
/O.EXT.KDTX.GL.W.0054.111019T1200Z-111019T2200Z/
/O.NEW.KDTX.SR.W.0004.111019T2200Z-111020T0800Z/
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER
SAGINAW BAY-PORT AUSTIN TO HARBOR BEACH MI-
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
430 AM EDT WED OCT 19 2011

...GALE WARNING NOW IN EFFECT FROM 8 AM THIS MORNING TO 6 PM EDT
THIS EVENING...
...STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 4 AM EDT
THURSDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
STORM WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 4 AM
EDT THURSDAY. 

* WIND AND WAVES: DURING THE STORM WARNING...EXPECT SUSTAINED
  WINDS UP TO 44 KNOTS FROM THE NORTHEAST WITH GUSTS UP TO 54
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 23 FEET
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 28 FEET.

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 12 AM EDT 
  THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 2 AM EDT 
  THURSDAY. 

THE GALE WARNING IS NOW IN EFFECT FROM 8 AM THIS MORNING TO 6 PM
EDT THIS EVENING. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 34 KNOTS FROM THE NORTHEAST WITH GUSTS UP TO 43 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 15 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 22 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 5 PM EDT 
  WEDNESDAY WITH THE LARGEST WAVES EXPECTED AROUND 5 PM EDT 
  WEDNESDAY. 

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A STORM WARNING MEANS WINDS OF 48 TO 63 KNOTS ARE IMMINENT OR
OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE
SHELTER UNTIL WINDS AND WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD
PREPARE FOR VERY STRONG WINDS AND DANGEROUS SEA CONDITIONS...AND
CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL WINDS
AND WAVES SUBSIDE.

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.

&&

$$

LHZ422-192030-
/O.EXT.KDTX.GL.W.0054.111019T1200Z-111019T2200Z/
/O.NEW.KDTX.SR.W.0004.111019T2200Z-111020T0800Z/
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
430 AM EDT WED OCT 19 2011

...GALE WARNING NOW IN EFFECT FROM 8 AM THIS MORNING TO 6 PM EDT
THIS EVENING...
...STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 4 AM EDT
THURSDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
STORM WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 4 AM
EDT THURSDAY. 

* WIND AND WAVES: DURING THE STORM WARNING...EXPECT SUSTAINED 
  WINDS UP TO 44 KNOTS FROM THE NORTHEAST WITH GUSTS UP TO 53 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 12 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 17 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 12 AM EDT THURSDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 2 AM EDT THURSDAY.

THE GALE WARNING IS NOW IN EFFECT FROM 8 AM THIS MORNING TO 6 PM
EDT THIS EVENING. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 32 KNOTS FROM THE NORTHEAST WITH GUSTS UP TO 39 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 8 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 11 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 4 PM EDT WEDNESDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 6 PM EDT WEDNESDAY.

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A STORM WARNING MEANS WINDS OF 48 TO 63 KNOTS ARE IMMINENT OR
OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE
SHELTER UNTIL WINDS AND WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD
PREPARE FOR VERY STRONG WINDS AND DANGEROUS SEA CONDITIONS...AND
CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL WINDS
AND WAVES SUBSIDE.

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.

&&

$$

LHZ361-192030-
/O.UPG.KDTX.SR.A.0002.111019T1400Z-111020T2100Z/
/O.EXB.KDTX.GL.W.0054.111019T2200Z-111020T1400Z/
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
430 AM EDT WED OCT 19 2011

...GALE WARNING IN EFFECT FROM 6 PM THIS EVENING TO 10 AM EDT
THURSDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A GALE
WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 10 AM EDT
THURSDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 38 KNOTS FROM THE NORTHEAST WITH GUSTS UP TO 47 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 14 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 20 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 5 AM EDT 
  THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 7 AM EDT 
  THURSDAY. 

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

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.

&&

$$

LHZ442-443-463-464-192030-
/O.EXT.KDTX.GL.W.0054.111019T1200Z-111020T0800Z/
HARBOR BEACH TO PORT SANILAC MI-PORT SANILAC TO PORT HURON MI-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
430 AM EDT WED OCT 19 2011

...GALE WARNING NOW IN EFFECT FROM 8 AM THIS MORNING TO 4 AM EDT
THURSDAY...

THE GALE WARNING IS NOW IN EFFECT FROM 8 AM THIS MORNING TO 4 AM
EDT THURSDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 40 KNOTS FROM THE NORTHEAST WITH GUSTS UP TO 47 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 18 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 26 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 11 PM EDT 
  WEDNESDAY WITH THE LARGEST WAVES EXPECTED AROUND 1 AM EDT 
  THURSDAY. 

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

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.

&&

$$

LCZ460-LEZ444-192030-
/O.EXT.KDTX.SC.Y.0039.000000T0000Z-111020T0800Z/
LAKE ST. CLAIR-
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
430 AM EDT WED OCT 19 2011

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 AM EDT THURSDAY...

THE SMALL CRAFT ADVISORY IS NOW IN EFFECT UNTIL 4 AM EDT
THURSDAY. 

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 27 KNOTS FROM THE NORTHEAST WITH GUSTS UP
  TO 29 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 6
  FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 8 FEET ON LAKE
  ERIE. 

* TIMING: THE MAXIMUM WINDS AND WAVES ARE EXPECTED AROUND 8 PM EDT
  WEDNESDAY.

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

BT
2 follow-up statements
396 
WHUS73 KDTX 191947
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
347 PM EDT WED OCT 19 2011

...STRONG LOW PRESSURE SYSTEM STILL ON TRACK TO IMPACT GREAT LAKES
THROUGH THURSDAY...

.A STRONG LOW PRESSURE SYSTEM WILL TRACK NNW INTO THE GREAT LAKES 
REGION THIS EVENING. THE TIGHT PRESSURE GRADIENT WILL KEEP SYNOPTIC 
WINDS SUSTAINED OVER 30-40KT FOR MUCH OF THE MARINE AREAS TONIGHT 
AND EARLY THURSDAY. STORM GUSTS WILL BE COMMON FOR MUCH OF THE FETCH 
OF LAKE HURON INTO SAGINAW BAY...ESPECIALLY AFTER MIDNIGHT UNTIL 
4AM. A DECENT AREA OF WARM AIR ADVECTION WILL LOWER WIND GUST 
POTENTIAL...BUT ALSO INCREASES RAINFALL RATES. VISIBILITY WILL DROP 
SIGNIFICANTLY IN AREAS OF HEAVY RAIN. ALSO OF NOTE ARE THE
SIGNIFICANT WAVES IN THE GREAT LAKES FORECAST BEING NEAR 22 FEET
IN CENTRAL LAKE HURON. LOWER WIND SPEEDS ARE EXPECTED OVER THE
LAKE ST. CLAIR TO LAKE ERIE WATERS WHERE THE CENTER OF LOW
PRESSURE WILL BE THURSDAY MORNING. THE LOW SHOULD QUICKLY EXIT
DAYTIME THURSDAY...AND WILL LIKELY PRODUCE GALES DURING ITS
DEPARTURE.

LHZ362-363-421-441-462-200800-
/O.CAN.KDTX.GL.W.0054.000000T0000Z-111019T2200Z/
/O.EXT.KDTX.SR.W.0004.111019T2000Z-111020T0800Z/
LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT MI BEYOND
5NM OFF SHORE-
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF
SHORE-
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER
SAGINAW BAY-PORT AUSTIN TO HARBOR BEACH MI-
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
347 PM EDT WED OCT 19 2011

...STORM WARNING NOW IN EFFECT UNTIL 4 AM EDT THURSDAY...
...GALE WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS CANCELLED THE
GALE WARNING. THE STORM WARNING IS NOW IN EFFECT UNTIL 4 AM EDT
THURSDAY. 

* WIND AND WAVES: DURING THE STORM WARNING...EXPECT SUSTAINED 
  WINDS UP TO 43 KNOTS FROM THE NORTHEAST WITH GUSTS UP TO 52 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 23 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 33 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 1 AM EDT 
  THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 3 AM EDT 
  THURSDAY. 

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A STORM WARNING MEANS WINDS OF 48 TO 63 KNOTS ARE IMMINENT OR
OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE
SHELTER UNTIL WINDS AND WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD
PREPARE FOR VERY STRONG WINDS AND DANGEROUS SEA CONDITIONS...AND
CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL WINDS
AND WAVES SUBSIDE.

&&

$$

LHZ422-200800-
/O.CAN.KDTX.GL.W.0054.000000T0000Z-111019T2200Z/
/O.EXT.KDTX.SR.W.0004.111019T2000Z-111020T0800Z/
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
347 PM EDT WED OCT 19 2011

...STORM WARNING NOW IN EFFECT UNTIL 4 AM EDT THURSDAY...
...GALE WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS CANCELLED THE
GALE WARNING. THE STORM WARNING IS NOW IN EFFECT UNTIL 4 AM EDT
THURSDAY. 

* WIND AND WAVES: DURING THE STORM WARNING...EXPECT SUSTAINED 
  WINDS UP TO 42 KNOTS FROM THE NORTHEAST WITH GUSTS UP TO 51 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 11 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 16 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 12 AM EDT 
  THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 2 AM EDT 
  THURSDAY. 

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A STORM WARNING MEANS WINDS OF 48 TO 63 KNOTS ARE IMMINENT OR
OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE
SHELTER UNTIL WINDS AND WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD
PREPARE FOR VERY STRONG WINDS AND DANGEROUS SEA CONDITIONS...AND
CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL WINDS
AND WAVES SUBSIDE.

&&

$$

LHZ442-443-463-464-200800-
/O.CON.KDTX.GL.W.0054.000000T0000Z-111020T0800Z/
HARBOR BEACH TO PORT SANILAC MI-PORT SANILAC TO PORT HURON MI-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
347 PM EDT WED OCT 19 2011

...GALE WARNING REMAINS IN EFFECT UNTIL 4 AM EDT THURSDAY...

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 38 KNOTS FROM THE NORTHEAST WITH GUSTS UP TO 45 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 19 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 27 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 12 AM EDT 
  THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 3 AM EDT 
  THURSDAY. 

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

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.

&&

$$

LHZ361-200800-
/O.CON.KDTX.GL.W.0054.111019T2200Z-111020T1400Z/
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
347 PM EDT WED OCT 19 2011

...GALE WARNING REMAINS IN EFFECT UNTIL 10 AM EDT THURSDAY...

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 36 KNOTS FROM THE NORTHEAST WITH GUSTS UP TO 44 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 13 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 19 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 4 AM EDT 
  THURSDAY WITH THE LARGEST WAVES EXPECTED AROUND 6 AM EDT 
  THURSDAY. 

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

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.

&&

$$

LCZ460-LEZ444-200800-
/O.CON.KDTX.SC.Y.0039.000000T0000Z-111020T0800Z/
LAKE ST. CLAIR-
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
347 PM EDT WED OCT 19 2011

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT
THURSDAY...

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT 
  SUSTAINED WINDS UP TO 27 KNOTS FROM THE NORTHEAST WITH GUSTS 
  UP TO 32 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL 
  BE 6 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 8 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 8 PM EDT 
  WEDNESDAY WITH THE LARGEST WAVES EXPECTED AROUND 9 PM EDT 
  WEDNESDAY. 

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

MM
336 
WHUS73 KDTX 200810
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
410 AM EDT THU OCT 20 2011

...WINDS TO GRADUALLY DIMINISH TODAY...

.THE STORM WARNING FOR CENTRAL LAKE HURON AND SAGINAW BAY WILL BE
ADJUSTED DOWN TO A GALE WARNING WITH THIS FORECAST ISSUANCE AND
EXTENDED THROUGH THURSDAY EVENING. THE POWERFUL LOW PRESSURE
SYSTEM NEAR THE WEST END OF LAKE ERIE WILL DRIFT TOWARD PORT HURON
AND WEAKEN THROUGH THE DAY AND THEN MOVE THROUGH ONTARIO INTO
QUEBEC TONIGHT. THIS WILL ALLOW REMAINING NORTHEAST WIND GUSTS TO
DROP FROM THE MID 40 KNOT RANGE DOWN TO AROUND 35 KNOTS DURING THE
AFTERNOON AS THE WIND DIRECTION TURNS TOWARD THE NORTHWEST. THE
RAINFALL PATTERN WILL ALSO WEAKEN WITH TIME THROUGH THE DAY
ALLOWING SOME IMPROVEMENT IN VISIBILITY AS THE NEAR 20 FOOT WAVE
PATTERN SUBSIDES TO 10 FEET OR LESS BY THIS EVENING. SMALL CRAFT
ADVISORIES WILL THEN LIKELY BE NEEDED FOR FRIDAY UNTIL THE WAVES
DROP BELOW 4 FEET BY FRIDAY EVENING. HIGH PRESSURE BUILDING INTO
THE OHIO VALLEY FRIDAY, COMBINED WITH A VERY WEAK TROUGH OVER THE
UPPER MIDWEST, WILL BRING MUCH IMPROVED MARINE CONDITIONS FOR THE
WEEKEND.

LHZ362-363-421-441-462-202030-
/O.CAN.KDTX.SR.W.0004.000000T0000Z-111020T0800Z/
/O.EXB.KDTX.GL.W.0054.000000T0000Z-111021T0400Z/
LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT MI BEYOND
5NM OFF SHORE-
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF
SHORE-
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER
SAGINAW BAY-PORT AUSTIN TO HARBOR BEACH MI-
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
410 AM EDT THU OCT 20 2011

...GALE WARNING IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...
...STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A GALE
WARNING...WHICH IS IN EFFECT UNTIL MIDNIGHT EDT TONIGHT. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS
  UP TO 35 KNOTS FROM THE NORTHEAST WITH GUSTS UP TO 45 KNOTS. THE
  LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 23 FEET WITH A
  POTENTIAL MAXIMUM WAVE HEIGHT OF 28 FEET.

* TIMING: THE MAXIMUM WINDS AND WAVES ARE EXPECTED DURING THE
  MORNING. 

THE STORM WARNING HAS BEEN CANCELLED. 

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

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.

&&

$$

LHZ422-202000-
/O.CAN.KDTX.SR.W.0004.000000T0000Z-111020T0800Z/
/O.EXB.KDTX.GL.W.0054.000000T0000Z-111020T2000Z/
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
410 AM EDT THU OCT 20 2011

...GALE WARNING IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...
...STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A GALE
WARNING...WHICH IS IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS
  UP TO 35 KNOTS FROM THE NORTHEAST WITH GUSTS UP TO 45 KNOTS.
  THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 11 FEET WITH A
  POTENTIAL MAXIMUM WAVE HEIGHT OF 16 FEET.

* TIMING:  THE MAXIMUM WINDS AND WAVES ARE EXPECTED DURING THE
  MORNING. 

THE STORM WARNING HAS BEEN CANCELLED.

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

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.

&&

$$

LHZ361-202000-
/O.EXT.KDTX.GL.W.0054.000000T0000Z-111020T2000Z/
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
410 AM EDT THU OCT 20 2011

...GALE WARNING NOW IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

THE GALE WARNING IS NOW IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 36 KNOTS FROM THE NORTHEAST WITH GUSTS UP TO 44 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 13 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 19 FEET. 

* TIMING: THE MAXIMUM WINDS AND WAVES ARE EXPECTED AROUND 6 AM
  EDT THURSDAY.

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

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.

&&

$$

LHZ442-443-463-464-202030-
/O.EXT.KDTX.GL.W.0054.000000T0000Z-111021T0400Z/
HARBOR BEACH TO PORT SANILAC MI-PORT SANILAC TO PORT HURON MI-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
410 AM EDT THU OCT 20 2011

...GALE WARNING NOW IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

THE GALE WARNING IS NOW IN EFFECT UNTIL MIDNIGHT EDT TONIGHT. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 32 KNOTS FROM THE NORTHEAST WITH GUSTS UP TO 40 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 19 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 27 FEET. 

* TIMING: THE MAXIMUM WINDS AND WAVES ARE EXPECTED DURING THE
  MORNING.

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

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.

&&

$$

LCZ460-LEZ444-202030-
/O.EXT.KDTX.SC.Y.0039.000000T0000Z-111021T0400Z/
LAKE ST. CLAIR-
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
410 AM EDT THU OCT 20 2011

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...

THE SMALL CRAFT ADVISORY IS NOW IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT. 

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT 
  SUSTAINED WINDS UP TO 21 KNOTS FROM THE WEST WITH GUSTS UP TO 
  28 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 4 
  FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 5 FEET. 

* TIMING: THE MAXIMUM WINDS AND WAVES ARE EXPECTED AROUND 5 PM EDT
  THURSDAY.

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

BT

The office that day

Everything else NWS Detroit, MI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 18, 9:52 PM EDTGale WarningDTX42 hr
Oct 19, 4:29 AM EDTHigh Wind WarningDTXBay, Huron, Saginaw, Tuscola24 hr
Oct 19, 11:02 AM EDTWind AdvisoryDTXMidland, Saginaw, Sanilac17 hr
Oct 19, 1:43 PM EDTLakeshore Flood AdvisoryDTXBay20 hr

Nearby

Storm Warnings in Michigan, 2011Every storm 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.