Alert archive / Michigan / Gale Warnings in 2011

Gale Warning 65, NWS Detroit, MI

December 27, 2011

NWS Detroit, MI issued this gale warning at Dec 27, 2011, 4:10 AM EST. It took effect at Dec 27, 2011, 4:00 PM EST. It was in force for 15 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
Dec 27, 2011, 4:10 AM EST (09:10 UTC)
In effect from
Dec 27, 2011, 4:00 PM EST
Expired
Dec 28, 2011, 7:10 AM EST
In force
15 hr
Issued by
NWS Detroit, MI

The text

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

245 
WHUS73 KDTX 270910
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
410 AM EST TUE DEC 27 2011

...A STRONG COLD FRONT WILL BRING GALES OVER LAKE HURON THIS
AFTERNOON THROUGH WEDNESDAY MORNING...

.TWO LOW PRESSURE SYSTEMS WILL MERGE OVER LAKES ERIE AND ONTARIO
BY THIS EVENING. THAT WILL ALLOW A STRONG COLD FRONT TO MOVE OVER
LAKE HURON AND LOWER MICHIGAN FROM LATE AFTERNOON THROUGH TONIGHT.
THE FRONT WILL BE STRONG ENOUGH TO GENERATE NORTHWEST GALES OVER
MOST OF THE LAKE HURON WATERS WITH GUSTS EXCEEDING CRITERIA FOR
SMALL CRAFT OVER ALL OTHER LAKE HURON MARINE AREAS TONIGHT THROUGH
WEDNESDAY MORNING.

LHZ361-272130-
/O.UPG.KDTX.GL.A.0029.111228T0000Z-111228T1200Z/
/O.NEW.KDTX.GL.W.0065.111227T2100Z-111228T0900Z/
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
410 AM EST TUE DEC 27 2011

...GALE WARNING IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM EST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A GALE
WARNING...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM EST
WEDNESDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 28 KNOTS FROM THE NORTH WITH GUSTS UP TO 38 
  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 7 PM EST TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 2 AM EST WEDNESDAY. 

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.

&&

$$

LHZ362-363-272130-
/O.UPG.KDTX.GL.A.0029.111228T0000Z-111228T1200Z/
/O.NEW.KDTX.GL.W.0065.111228T0000Z-111228T1200Z/
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-
410 AM EST TUE DEC 27 2011

...GALE WARNING IN EFFECT FROM 7 PM THIS EVENING TO 7 AM EST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A GALE
WARNING...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 7 AM EST
WEDNESDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 32 KNOTS FROM THE NORTH WITH GUSTS UP TO 40 
  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 11 PM EST 
  TUESDAY WITH THE LARGEST WAVES EXPECTED AROUND 3 AM EST 
  WEDNESDAY. 

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.

&&

$$

LHZ462-272130-
/O.UPG.KDTX.GL.A.0029.111228T0000Z-111228T1200Z/
/O.NEW.KDTX.GL.W.0065.111228T0000Z-111228T1200Z/
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
410 AM EST TUE DEC 27 2011

...GALE WARNING IN EFFECT FROM 7 PM THIS EVENING TO 7 AM EST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A GALE
WARNING...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 7 AM EST
WEDNESDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 33 KNOTS FROM THE NORTH WITH GUSTS UP TO 40 
  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 10 PM EST 
  TUESDAY WITH THE LARGEST WAVES EXPECTED AROUND 3 AM EST 
  WEDNESDAY. 

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.

&&

$$

LHZ463-464-272130-
/O.UPG.KDTX.GL.A.0029.111228T0000Z-111228T1200Z/
/O.NEW.KDTX.GL.W.0065.111228T0300Z-111228T1500Z/
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 EST TUE DEC 27 2011

...GALE WARNING IN EFFECT FROM 10 PM THIS EVENING TO 10 AM EST
WEDNESDAY...

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

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 34 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 40 
  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 11 PM EST 
  TUESDAY WITH THE LARGEST WAVES EXPECTED AROUND 4 AM EST 
  WEDNESDAY. 

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.

&&

$$

LHZ421-441-272130-
/O.NEW.KDTX.GL.W.0065.111228T0000Z-111228T1200Z/
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER
SAGINAW BAY-PORT AUSTIN TO HARBOR BEACH MI-
410 AM EST TUE DEC 27 2011

...GALE WARNING IN EFFECT FROM 7 PM THIS EVENING TO 7 AM EST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A GALE
WARNING...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 7 AM EST
WEDNESDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 31 KNOTS FROM THE NORTH WITH GUSTS UP TO 37 
  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 10 PM EST 
  TUESDAY WITH THE LARGEST WAVES EXPECTED AROUND 4 AM EST 
  WEDNESDAY. 

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.

&&

$$

LHZ442-443-272130-
/O.NEW.KDTX.GL.W.0065.111228T0300Z-111228T1500Z/
HARBOR BEACH TO PORT SANILAC MI-PORT SANILAC TO PORT HURON MI-
410 AM EST TUE DEC 27 2011

...GALE WARNING IN EFFECT FROM 10 PM THIS EVENING TO 10 AM EST
WEDNESDAY...

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

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS
  UP TO 29 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 35 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 10 PM EST 
  TUESDAY WITH THE LARGEST WAVES EXPECTED AROUND 5 AM EST 
  WEDNESDAY. 

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.

&&

$$

LHZ422-272130-
/O.NEW.KDTX.SC.Y.0068.111228T0000Z-111228T1200Z/
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
410 AM EST TUE DEC 27 2011

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

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
SMALL CRAFT ADVISORY...WHICH IS IN EFFECT FROM 7 PM THIS EVENING
TO 7 AM EST WEDNESDAY. 

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT 
  SUSTAINED WINDS UP TO 22 KNOTS FROM THE NORTHWEST WITH GUSTS 
  UP TO 29 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL 
  BE 5 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 7 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 7 PM EST TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 12 AM EST 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
3 follow-up statements
090 
WHUS73 KDTX 272049
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
349 PM EST TUE DEC 27 2011

...STRONG WINDS AND LARGE WAVES TONIGHT...

.WINDS WILL INCREASE LATE THIS AFTERNOON AND THIS EVENING BEHIND A 
STRONG COLD FRONT. COLDER AIR POURING IN OVER THE RELATIVELY WARMER 
WATERS COMBINED WITH A TIGHT SURFACE PRESSURE GRADIENT WILL ALLOW 
WIND GUSTS BETWEEN 34 AND 40 KNOTS TO MIX DOWN TO THE SURFACE ACROSS 
LAKE HURON. FURTHER SOUTH OVER LAKE ST CLAIR AND WESTERN LAKE 
ERIE...AND OVER MORE SHELTERED AREAS LIKE INNER SAGINAW BAY...WIND 
GUSTS TO 30 KNOTS WILL BE LIKELY. THE STRONG WINDS COMBINED WITH A 
LARGE FETCH ACROSS THE LENGTH OF LAKE HURON WILL ALSO ALLOW LARGE 
WAVES TO BUILD. THE HIGHEST WAVES WILL BE ACROSS THE SOUTHERN HALF 
OF THE LAKE...WITH WAVE HEIGHTS IN EXCESS OF 12 FEET OVER THE OPEN 
WATERS. 

WIND SPEEDS WILL DECREASE THROUGH THE FIRST HALF OF THE DAY ON 
WEDNESDAY AS RIDGE OF HIGH PRESSURE SLIDES IN OVER THE AREA. WAVE 
HEIGHTS WILL BE SLOWER TO SUBSIDE HOWEVER OVER THE SOUTHERN PORTIONS 
OF THE LAKE...AND SMALL CRAFT ADVISORIES WILL BE NEEDED AFTER THE 
GALE WARNING EXPIRES. THESE ADVISORIES WILL LIKELY LAST THROUGH THE 
REMAINDER OF WEDNESDAY.

LHZ361-280900-
/O.CON.KDTX.GL.W.0065.111227T2100Z-111228T0900Z/
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
349 PM EST TUE DEC 27 2011

...GALE WARNING REMAINS IN EFFECT UNTIL 4 AM EST WEDNESDAY...

A GALE WARNING REMAINS IN EFFECT UNTIL 4 AM EST WEDNESDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 28 KNOTS FROM THE NORTH 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 8 PM EST TUESDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 10 PM EST TUESDAY. 

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.

&&

$$

LHZ362-363-281000-
/O.CON.KDTX.GL.W.0065.111228T0000Z-111228T1200Z/
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-
349 PM EST TUE DEC 27 2011

...GALE WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 7 AM
EST WEDNESDAY...

A GALE WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 7 AM
EST WEDNESDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 31 KNOTS FROM THE NORTH WITH GUSTS UP TO 40 
  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 10 PM EST 
  TUESDAY WITH THE LARGEST WAVES EXPECTED AROUND 2 AM EST 
  WEDNESDAY. 

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.

&&

$$

LHZ421-441-462-281000-
/O.CON.KDTX.GL.W.0065.111228T0000Z-111228T1200Z/
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-
349 PM EST TUE DEC 27 2011

...GALE WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 7 AM
EST WEDNESDAY...

A GALE WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 7 AM
EST WEDNESDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 31 KNOTS FROM THE NORTH WITH GUSTS UP TO 38 
  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 10 PM EST 
  TUESDAY WITH THE LARGEST WAVES EXPECTED AROUND 4 AM EST 
  WEDNESDAY. 

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.

&&

$$

LHZ442-443-463-464-281000-
/O.CON.KDTX.GL.W.0065.111228T0300Z-111228T1500Z/
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-
349 PM EST TUE DEC 27 2011

...GALE WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
10 AM EST WEDNESDAY...

A GALE WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 10 AM
EST WEDNESDAY. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 31 KNOTS FROM THE NORTH WITH GUSTS UP TO 38 
  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 10 PM EST 
  TUESDAY WITH THE LARGEST WAVES EXPECTED AROUND 5 AM EST 
  WEDNESDAY. 

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-LEZ444-281000-
/O.EXB.KDTX.SC.Y.0068.111228T0300Z-111228T1500Z/
LAKE ST. CLAIR-
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
349 PM EST TUE DEC 27 2011

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO
10 AM EST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
SMALL CRAFT ADVISORY...WHICH IS IN EFFECT FROM 10 PM THIS EVENING
TO 10 AM EST WEDNESDAY. 

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 25 KNOTS FROM THE NORTHWEST WITH GUSTS UP
  TO 33 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 4
  FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 5 FEET.

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 10 PM EST 
  TUESDAY WITH THE LARGEST WAVES EXPECTED AROUND 11 PM EST 
  TUESDAY. 

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.

&&

$$

LHZ422-281000-
/O.CON.KDTX.SC.Y.0068.111228T0000Z-111228T1200Z/
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
349 PM EST TUE DEC 27 2011

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

A SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 7 AM EST WEDNESDAY. 

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT 
  SUSTAINED WINDS UP TO 26 KNOTS FROM THE NORTH WITH GUSTS UP 
  TO 33 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 5 
  FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 7 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 10 PM EST 
  TUESDAY WITH THE LARGEST WAVES EXPECTED AROUND 11 PM EST 
  TUESDAY. 

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.

&&

$$

HLO
285 
WHUS73 KDTX 280913
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
413 AM EST WED DEC 28 2011

...NORTHWEST GALES WILL PERSIST FOR A FEW MORE HOURS DURING THE
MORNING OVER CENTRAL AND SOUTH SECTIONS OF LAKE HURON...

.NORTHWEST GALES WILL PERSIST FOR A FEW MORE HOURS DURING THE
MORNING AND THEN DIMINISH AS WEAK HIGH PRESSURE BUILDS OVER THE
REGION. WAVES WILL BE SLOWER TO SUBSIDE WITH SMALL CRAFT
ADVISORIES ISSUED ON THE HEELS OF GALE WARNINGS THROUGH THE REST
OF TODAY, ESPECIALLY ALONG THE SOUTHERN LAKE HURON SHORELINE. THE
ADVANCING HIGH PRESSURE WILL USHER IN MORE FAVORABLE MARINE
CONDITIONS BY TONIGHT THAT WILL LAST THROUGH THE END OF THE WEEK,
AT LEAST IN TERMS OF WIND AND WAVE CONDITIONS. IT WILL OTHERWISE
BE ON THE SNOWY SIDE AS THE NEXT LOW PRESSURE SYSTEM MOVES IN
QUICKLY FROM CENTRAL CANADA THURSDAY AND THEN DISSIPATES IN FAVOR
OF ANOTHER SYSTEM ON FRIDAY. THIS WILL ALL BE FOLLOWED BY A SHORT
PERIOD OF HIGH PRESSURE SATURDAY WITH THE UNDERLYING THEME OF
MANAGEABLE WIND AND WAVE CONDITIONS CONTINUING THROUGH THE
WEEKEND.


LHZ421-441-282115-
/O.CAN.KDTX.GL.W.0065.000000T0000Z-111228T1200Z/
/O.EXB.KDTX.SC.Y.0068.000000T0000Z-111229T0300Z/
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER
SAGINAW BAY-PORT AUSTIN TO HARBOR BEACH MI-
413 AM EST WED DEC 28 2011

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EST THIS EVENING...
...GALE WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
SMALL CRAFT ADVISORY...WHICH IS IN EFFECT UNTIL 10 PM EST THIS
EVENING. 

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT 
  SUSTAINED WINDS UP TO 26 KNOTS FROM THE NORTHWEST WITH GUSTS 
  UP TO 33 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL 
  BE 12 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 17 FEET. 

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

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.

&&

$$

LHZ442-443-282115-
/O.CAN.KDTX.GL.W.0065.000000T0000Z-111228T1500Z/
/O.EXB.KDTX.SC.Y.0068.000000T0000Z-111229T0300Z/
HARBOR BEACH TO PORT SANILAC MI-PORT SANILAC TO PORT HURON MI-
413 AM EST WED DEC 28 2011

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EST THIS EVENING...
...GALE WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
SMALL CRAFT ADVISORY...WHICH IS IN EFFECT UNTIL 10 PM EST THIS
EVENING. 

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT 
  SUSTAINED WINDS UP TO 24 KNOTS FROM THE NORTHWEST WITH GUSTS 
  UP TO 30 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL 
  BE 12 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 17 FEET. 

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

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.

&&

$$

LHZ361-281015-
/O.EXP.KDTX.GL.W.0065.000000T0000Z-111228T0900Z/
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
413 AM EST WED DEC 28 2011

...GALE WARNING HAS EXPIRED...

THE GALE WARNING IS NO LONGER IN EFFECT. WIND GUSTS HAVE FALLEN
BELOW 35 KNOTS AND THIS WILL REMAIN THE CASE TODAY.

$$

LHZ422-281015-
/O.CAN.KDTX.SC.Y.0068.000000T0000Z-111228T1200Z/
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
413 AM EST WED DEC 28 2011

...SMALL CRAFT ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS CANCELLED THE
SMALL CRAFT ADVISORY. WIND GUSTS HAVE FALLEN BELOW 25 KNOTS AND
WAVES BELOW 4 FEET AND THIS WILL REMAIN THE CASE TODAY.

$$

LHZ362-363-281200-
/O.CON.KDTX.GL.W.0065.000000T0000Z-111228T1200Z/
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-
413 AM EST WED DEC 28 2011

...GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING...

A GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 27 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 36 
  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 DURING THE
  EARLY 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.

&&

$$

LHZ462-281200-
/O.CON.KDTX.GL.W.0065.000000T0000Z-111228T1200Z/
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
413 AM EST WED DEC 28 2011

...GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING...

A GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 28 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 36 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 14 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 20 FEET. 

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

&&

$$

LHZ463-464-281500-
/O.CON.KDTX.GL.W.0065.000000T0000Z-111228T1500Z/
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
413 AM EST WED DEC 28 2011

...GALE WARNING REMAINS IN EFFECT UNTIL 10 AM EST THIS MORNING...

A GALE WARNING REMAINS IN EFFECT UNTIL 10 AM EST THIS MORNING. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 28 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 36 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 14 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 20 FEET. 

* TIMING: THE MAXIMUM WINDS AND WAVES ARE EXPECTED DURING THE
  EARLY 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-LEZ444-281500-
/O.CON.KDTX.SC.Y.0068.000000T0000Z-111228T1500Z/
LAKE ST. CLAIR-
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
413 AM EST WED DEC 28 2011

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING. 

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT 
  SUSTAINED WINDS UP TO 18 KNOTS FROM THE NORTHWEST WITH GUSTS 
  UP TO 25 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL 
  BE 3 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 4 FEET. 

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

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
091 
WHUS73 KDTX 281210
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
710 AM EST WED DEC 28 2011

...NORTHWEST GALES HAVE DIMINISHED BUT WAVES WILL REMAIN HIGH
THROUGH THIS EVENING...

.NORTHWEST GALES HAVE DIMINISHED BUT GUSTS WILL LINGER NEAR 30
KNOTS OVER THE OPEN WATERS DURING THE MORNING. THIS WILL RESULT IN
HIGH WAVES DIMINISHING SLOWLY THROUGH THE DAY AND INTO THIS
EVENING, ESPECIALLY ALONG THE SOUTHERN LAKE HURON SHORELINE. THE
ADVANCING HIGH PRESSURE WILL USHER IN MORE FAVORABLE MARINE
CONDITIONS BY TONIGHT THAT WILL LAST THROUGH THE END OF THE WEEK,
AT LEAST IN TERMS OF WIND AND WAVE CONDITIONS. IT WILL OTHERWISE
BE ON THE SNOWY SIDE AS THE NEXT LOW PRESSURE SYSTEM MOVES IN
QUICKLY FROM CENTRAL CANADA THURSDAY AND THEN DISSIPATES IN FAVOR
OF ANOTHER SYSTEM ON FRIDAY. THIS WILL ALL BE FOLLOWED BY A SHORT
PERIOD OF HIGH PRESSURE SATURDAY WITH THE UNDERLYING THEME OF
MANAGEABLE WIND AND WAVE CONDITIONS CONTINUING THROUGH THE
WEEKEND.

LHZ463-464-281315-
/O.CAN.KDTX.GL.W.0065.000000T0000Z-111228T1500Z/
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
710 AM EST WED DEC 28 2011

...GALE WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS CANCELLED THE
GALE WARNING. WIND GUSTS HAVE FALLEN BELOW 35 KNOTS AND THIS WILL
REMAIN THE CASE THROUGH TODAY.

$$

LHZ362-363-462-281315-
/O.EXP.KDTX.GL.W.0065.000000T0000Z-111228T1200Z/
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-
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
710 AM EST WED DEC 28 2011

...GALE WARNING HAS EXPIRED...

THE GALE WARNING IS NO LONGER IN EFFECT. WIND GUSTS HAVE FALLEN
BELOW 35 KNOTS AND THIS WILL REMAIN THE CASE THROUGH TODAY.

$$

LHZ421-441-290015-
/O.CON.KDTX.SC.Y.0068.000000T0000Z-111229T0300Z/
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER
SAGINAW BAY-PORT AUSTIN TO HARBOR BEACH MI-
710 AM EST WED DEC 28 2011

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

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

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 25 KNOTS FROM THE NORTHWEST WITH GUSTS UP
  TO 30 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 HOURS. 

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.

&&

$$

LHZ442-443-290015-
/O.CON.KDTX.SC.Y.0068.000000T0000Z-111229T0300Z/
HARBOR BEACH TO PORT SANILAC MI-PORT SANILAC TO PORT HURON MI-
710 AM EST WED DEC 28 2011

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

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

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT 
  SUSTAINED WINDS UP TO 23 KNOTS FROM THE NORTHWEST WITH GUSTS 
  UP TO 30 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 HOURS.

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.

&&

$$

LCZ460-LEZ444-281500-
/O.CON.KDTX.SC.Y.0068.000000T0000Z-111228T1500Z/
LAKE ST. CLAIR-
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
710 AM EST WED DEC 28 2011

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING. 

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 18 KNOTS FROM THE NORTHWEST WITH GUSTS UP
  TO 25 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 3
  FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 5 FEET.

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

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

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 Detroit, MI wrote its last area forecast discussion before this gale warning went out at Dec 27, 3:43 AM EST, 27 minutes earlier.

Area forecast discussion, Dec 27, 3:43 AM EST, 27 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
343 AM EST TUE DEC 27 2011

.SHORT TERM... TODAY AND TONIGHT

A COMPLEX COMBINATION OF FACTORS TO CONSIDER IN THE PRECIPITATION
FORECAST FOR TODAY AND TONIGHT WITH THE BOTTOM LINE BEING A LOW
IMPACT EVENT OF MIXED RAIN AND SNOW FOR SE MICHIGAN. THE EARLY
MORNING ISSUANCE WILL PRESERVE THE FORECAST SNOW ACCUMULATION IN THE
1 TO 3 INCH RANGE WITH 3 BEING THE HIGH END IN A FEW LOCATIONS AND
THE 1 TO 2 MORE COMMON ON UNPAVED SURFACES WITH SLUSHY ACCUMULATION
ON THE ROADS.

THE KEY TO THE FORECAST IS WITH THE MILD SURFACE/BOUNDARY LAYER
TEMPERATURES IN PLACE OVER THE REGION WITHIN THE TROUGHINESS BETWEEN
THE COLD FRONT OVER THE NORTHERN LAKES AND THE LOW PRESSURE SYSTEM
MOVING THROUGH THE OHIO VALLEY. THE COLD AIR WILL BE BOTTLED UP
ALONG THE FRONT BY THE SLOWER MOVING UPPER LEVEL TROUGH WHILE THE
OHIO VALLEY SYSTEM KICKS EASTWARD AND A FASTER PACE. THIS WILL LEAVE
PRECIPITATION TYPE AND SNOW ACCUMULATION TO BE HEAVILY INFLUENCED BY
THE MILD BOUNDARY LAYER AIR THAT WILL REMAIN IN PLACE THROUGH THE
EVENT. OBSERVATIONS AROUND THE REGION DURING THE EARLY MORNING
INDICATE RAIN OCCURRING EVEN WHERE PRECIPITATION RATES ARE HIGH,
ALTHOUGH BRIGHT BANDING ON RADAR DOES SUGGEST SOME HEADWAY BEING
MADE ON WET BULB COOLING IN THE LOW LEVELS. THE WET BULB COOLING
POTENTIAL IN THE TEMPERATURE PROFILE DOES REMAIN SUBSTANTIAL AS
SHOWN IN THE 00Z DTX SOUNDING AND THIS WILL HELP PRECIPITATION
BECOME A MIX OF RAIN AND SNOW AT ONSET BEFORE CHANGING OVER TO ALL
SNOW TOWARD THE PEAK OF THE EVENT EARLY IN THE AFTERNOON. HOWEVER,
WHILE THIS IS OCCURRING, SURFACE TEMPERATURES WILL REMAIN STEADY IN
THE MID TO UPPER 30S AND THIS WILL CUT INTO THE SNOW ACCUMULATION
POTENTIAL EVEN AT TIMES WHEN PRECIPITATION RATES ARE HIGH.

THE SMALL AREAL COVERAGE AND LACK OF PERSISTENCE OF STRONGER FORCING
FOR HIGH PRECIPITATION RATES WILL ALSO BE A LIMITING FACTOR FOR SNOW
ACCUMULATION AROUND THE REGION. ISENTROPIC LIFT EARLY AND MID LEVEL
DEFORMATION LATER WILL BE THE MAIN MECHANISMS AT WORK FOR LIFT OVER
SE MICHIGAN. WITHIN THIS PATTERN, MODEL CROSS SECTIONS AND FORECAST
SOUNDINGS DO INDICATE SOME LOWER STABILITY ALOFT AT TIMES,
ESPECIALLY DURING THE MORNING, AND THIS IS SUPPORTED BY SATELLITE
AND RADAR OBSERVATIONS. THE MODEL SOLUTIONS THEN LOOK GOOD WITH THE
DEPICTION OF INCREASED STABILITY THROUGH THE MID LEVELS WHILE THE
TROWAL PORTION OF THE OHIO VALLEY SYSTEM SLIDES TO OUR SOUTH AND
EAST. THIS WILL CAUSE HIGHER PRECIPITATION RATES TO BECOME LESS
FREQUENT AND WITH LESS AREAL COVERAGE LATER IN THE DAY BEFORE
SYNOPTIC FORCING WINDS DOWN COMPLETELY BY EARLY EVENING WITH THE
PASSAGE OF THE COLD FRONT.

SOME RESIDUAL LIGHT SYSTEM SNOW WILL MIX WITH SOME LAKE EFFECT IN
THE THUMB TONIGHT. LOW LEVEL COLD ADVECTION BEHIND THE FRONT WILL BE
STRONG AND WILL GENERATE LAKE TO 850 MB DELTA-T NEAR 20C BUT
CONVECTIVE DEPTH WILL BE STRONGLY LIMITED BY DRY AIR MOVING IN ALOFT
BY MIDNIGHT FOLLOWED BY BACKING LOW LEVEL FLOW AFTER MIDNIGHT WITH
ABOUT 1 INCH OF ADDITIONAL ACCUMULATION. ELSEWHERE, IT WILL BE A
DOSE OF WINTER REALITY AS LOW TEMPERATURES DROP INTO THE TEENS MOST
LOCATIONS BY SUNRISE WEDNESDAY MORNING.

&&

.LONG TERM...

UPPER LEVEL NORTHWEST FLOW WILL BRING A SERIES OF FAST MOVING
DISTURBANCES THROUGH THE GREAT LAKES REGION FOR THE END OF THE WORK
WEEK...WITH TIGHT BAROCLINIC ZONE MAKING THE PRECIPITATION TYPE
FORECAST CHALLENGING...AS STRENGTH AND TIMING OF THE DISTURBANCES
EJECTING OUT OF THE GULF OF ALASKA IS IN QUESTION...AND FORECAST
CONFIDENCE IS LOW WITH THIS ENERGETIC FLOW OVERHEAD.

THE COLD AIR OVER SOUTHERN MANITOBA IS ON THE MOVE TO THE
SOUTHEAST...AND WILL FILTER INTO SOUTHERN LOWER MICHIGAN
TONIGHT...AS 850 MB TEMPS FORECASTED TO FALL TO -10 TO -14 C BY 12Z
WEDNESDAY. THE PROBLEM IS HEIGHTS ARE ALREADY QUICKLY BUILDING
DURING WEDNESDAY...AS THE SHORTWAVE/TROUGH MOVING ONSHORE OF BRITISH
COLUMBIA SLIDES EAST...REACHING LATE IN THE DAY. WITH THE
EXPECTATION OF A SNOW PACK IN PLACE...DO THINK TEMPS WILL HOLD IN
THE 20S ON WEDNESDAY. SURFACE RIDGE IN PLACE WEDNESDAY EVENING COULD
SUPPORT QUICK DROP IN TEMPS (INTO THE TEENS) BEFORE WARM ADVECTION
PATTERN ENSUES. A PRETTY GOOD WARM ADVECTION PATTERN LOOKS TO
PERSIST THURSDAY/FRIDAY...WITH AT LEAST ONCE SURFACE WAVE TRACKING
THROUGH THE AREA DURING THAT TIME FRAME. THE
POSITION...STRENGTH...AND TIMING OF THE LOW(S) VARIES SIGNIFICANTLY
AMONGST THE 00Z MODELS...INCLUDING THE ENSEMBLE MEMBERS.
THUS...HESITANT TO BUMP ANY ONE PARTICULAR PERIOD IN THE LIKELY
CATEGORY...AS EVEN THE EUROPEAN HAS BEEN INCONSISTENT WITH ABRUPT
CHANGES FROM RUN TO RUN.

&&

.MARINE...

SOUTHWEST GRADIENT WIND HAS WEAKENED CONSIDERABLY OVER LAKE HURON
BETWEEN THE OHIO VALLEY LOW AND THE COLD FRONT OVER LAKE SUPERIOR.
THIS TREND WILL CONTINUE THROUGH MOST OF TODAY WHILE THE TWO SYSTEMS
MERGE OVER LAKES ERIE AND ONTARIO BY THIS EVENING. THAT WILL ALLOW
THE STRONG COLD FRONT TO MOVE OVER LAKE HURON AND LOWER MICHIGAN
FROM LATE AFTERNOON THROUGH TONIGHT. THE FRONT WILL BE STRONG ENOUGH
TO GENERATE NORTHWEST GALES OVER MOST OF THE LAKE HURON OPEN WATERS
WITH GUSTS EXCEEDING CRITERIA FOR SMALL CRAFT OVER ALL OTHER LAKE
HURON MARINE AREAS TONIGHT THROUGH WEDNESDAY MORNING.

THE WIND CONDITIONS WILL IMPROVE QUICKLY WEDNESDAY AFTERNOON AS WEAK
HIGH PRESSURE SLIDES OVER THE REGION THROUGH WEDNESDAY NIGHT BUT THE
NEXT LOW PRESSURE SYSTEM WILL ARRIVE BY THURSDAY. THIS SYSTEM WILL
CAUSE THE WIND TO RETURN FROM THE SOUTH BUT WITH MARINE CONDITIONS
GENERALLY REMAINING FAVORABLE THROUGH THE END OF THE WEEK.

&&

.AVIATION...ISSUED 1151 PM EST MON DEC 26 2011

//DISCUSSION...

TWO LOW PRESSURE SYSTEMS WILL APPROACH THE REGION...ONE FROM ONTARIO
AND THE OTHER FROM THE OHIO VALLEY. CEILINGS WILL LOWER THROUGH THE
EARLY MORNING HOURS WITH A LIGHT RAIN/SNOW MIX BEGINNING TO FALL
AROUND 10Z CHANGING OVER TO ALL SNOW AROUND 15Z AS PRECIPITATION
RATES INCREASE. MODEL SOUNDINGS INDICATE DEEP MOISTURE WILL HOLD
THROUGH MOST OF TODAY DROPPING ALL SITES DOWN TO IFR AROUND 18Z. THE
LOW PRESSURE SYSTEMS WILL PUSH OFF TO THE EAST THIS EVENING...WITH
SNOW ENDING AROUND 01Z AT THE TAF SITES AS NORTHWEST WINDS INCREASE
TO AROUND 25 KNOTS.

FOR DTW...FRONTAL PASSAGE AROUND 22Z WILL PUSH THE DEEPER MOISTURE
OFF TO THE EAST AS WINDS VEER TO THE WEST. THIS WILL ALLOW
CONDITIONS TO RETURN TO MVFR.

//DTW THRESHOLD THREATS...

* HIGH CONFIDENCE IN CEILING BELOW 5000 FEET AFTER 12Z.

* MODERATE CONFIDENCE IN MIXED LIGHT RAIN AND SNOW CHANGING TO ALL
  SNOW THIS MORNING.

&&

.DTX WATCHES/WARNINGS/ADVISORIES...
MI...NONE.

LAKE HURON...
     GALE WARNING...LHZ361...FROM 4 PM TUESDAY TO 4 AM WEDNESDAY.

     GALE WARNING...LHZ362-LHZ363-LHZ421-LHZ441-LHZ462...FROM 7 PM
     TUESDAY TO 7 AM WEDNESDAY.

     GALE WARNING...LHZ442-LHZ443-LHZ463-LHZ464...FROM 10 PM TUESDAY TO
     10 AM WEDNESDAY.

     SMALL CRAFT ADVISORY...INNER SAGINAW BAY...FROM 7 PM TUESDAY TO 7
     AM WEDNESDAY.

LAKE ST CLAIR...NONE.
MI WATERS OF LAKE ERIE...NONE.

&&

SHORT TERM...BT
LONG TERM....SF
MARINE.......BT
AVIATION.....KURIMSKI

YOU CAN OBTAIN YOUR LATEST NATIONAL WEATHER SERVICE FORECASTS ONLINE
AT WWW.WEATHER.GOV/DETROIT (ALL LOWER CASE).
Hazardous weather outlook, Dec 27, 4:06 AM EST, 4 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
406 AM EST TUE DEC 27 2011

MIZ047>049-053>055-060>063-068>070-075-076-082-083-280915-
MIDLAND-BAY-HURON-SAGINAW-TUSCOLA-SANILAC-SHIAWASSEE-GENESEE-LAPEER-
ST. CLAIR-LIVINGSTON-OAKLAND-MACOMB-WASHTENAW-WAYNE-LENAWEE-MONROE-
406 AM EST TUE DEC 27 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST MICHIGAN.

.DAY ONE...TODAY AND TONIGHT

WET SNOW WILL FALL TODAY...WITH ACCUMULATIONS OF 1 TO 3 INCHES
EXPECTED. THE SNOW WILL OCCUR AS A LOW PRESSURE SYSTEM AND COLD FRONT
TRACKS ACROSS THE GREAT LAKES REGION. THE HIGHER AMOUNTS WILL LIKELY
OCCUR OVER THE THUMB REGION...AS SOME LAKE ENHANCED SNOW SHOWERS
PERSIST INTO THE EVENING HOURS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.

LCZ422-LHZ361>363-421-422-441>443-462>464-280915-
ST. CLAIR RIVER-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
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-INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
PORT AUSTIN TO HARBOR BEACH MI-HARBOR BEACH TO PORT SANILAC MI-
PORT SANILAC TO PORT HURON MI-
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
406 AM EST TUE DEC 27 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE HURON AND
LAKE ST CLAIR.

.DAY ONE...TODAY AND TONIGHT

GALE WARNING IS IN EFFECT FOR LAKE HURON...WITH THE EXCEPTION OF
INNER SAGINAW BAY WHERE A SMALL CRAFT ADVISORY IS IN EFFECT.
REFER TO THE LATEST MARINE FORECAST FOR DETAILS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.

LCZ423-460-LEZ444-280915-
DETROIT RIVER-LAKE ST. CLAIR-
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
406 AM EST TUE DEC 27 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE ERIE AND LAKE
ST CLAIR.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.

SF

YOU CAN OBTAIN YOUR LATEST NATIONAL WEATHER SERVICE FORECASTS ONLINE
AT WWW.WEATHER.GOV/DETROIT (ALL LOWER CASE).

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 27, 4:10 AM ESTSmall Craft AdvisoryDTX42 hr

Nearby

Gale Warnings in Michigan, 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.