Alert archive / Michigan / Gale Warnings in 2011

Gale Warning 31, NWS Detroit, MI

January 31, 2011

NWS Detroit, MI issued this gale warning at Jan 31, 2011, 9:38 PM EST. It took effect at Feb 1, 2011, 7:00 PM EST. It was in force for 24 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
Jan 31, 2011, 9:38 PM EST (02:38 UTC)
In effect from
Feb 1, 2011, 7:00 PM EST
Expired
Feb 2, 2011, 7:00 PM EST
In force
24 hr
Issued by
NWS Detroit, MI

The text

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

795 
WHUS73 KDTX 010238
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
938 PM EST MON JAN 31 2011

...STRONG WINTER STORM WILL BRING GALES TO THE LAKES...

.LIGHT SNOW AND NORTHEASTERLY WINDS ARE EXPECTED TONIGHT AS SOME MID 
LEVEL MOISTURE MOVES INTO THE REGION. THE NEXT SYSTEM TO IMPACT THE 
REGION WILL TRACK NORTHEAST THROUGH THE OHIO VALLEY LATE TUESDAY 
INTO WEDNESDAY. THIS SYSTEM WILL BRING STRONG NORTHERLY WINDS WITH 
HIGH WAVES AND HEAVY FREEZING SPRAY. HEAVY SNOWFALL CAN ALSO BE 
EXPECTED FROM SOUTHERN LAKE HURON TO LAKE ERIE. 

LHZ362-363-462-463-011445-
/O.UPG.KDTX.GL.A.0001.110202T0600Z-110202T2100Z/
/O.NEW.KDTX.GL.W.0031.110202T0000Z-110203T0000Z/
/O.UPG.KDTX.UP.A.0001.110202T0600Z-110203T0900Z/
/O.NEW.KDTX.UP.W.0003.110202T0000Z-110203T0800Z/
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-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
938 PM EST MON JAN 31 2011

...GALE WARNING IN EFFECT FROM 7 PM TUESDAY TO 7 PM EST
WEDNESDAY...
...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 7 PM TUESDAY TO
3 AM EST THURSDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
HEAVY FREEZING SPRAY WARNING...WHICH IS IN EFFECT FROM 7 PM
TUESDAY TO 3 AM EST THURSDAY. A GALE WARNING HAS ALSO BEEN
ISSUED. THIS GALE WARNING IS IN EFFECT FROM 7 PM TUESDAY TO 7 PM
EST WEDNESDAY. 

* EXPECT HEAVY FREEZING SPRAY TO OCCUR FROM 7 PM TUESDAY TO 3 AM 
  EST THURSDAY.

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 32 KNOTS FROM THE NORTHEAST WITH GUSTS UP TO 41 
  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 8 AM EST 
  WEDNESDAY WITH THE LARGEST WAVES EXPECTED AROUND 1 PM EST 
  WEDNESDAY. 

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAVY FREEZING SPRAY WARNING MEANS HEAVY FREEZING SPRAY IS
EXPECTED TO RAPIDLY ACCUMULATE ON VESSELS. THESE CONDITIONS CAN
BE EXTREMELY HAZARDOUS TO NAVIGATION. IT IS RECOMMENDED THAT
MARINERS NOT TRAINED TO OPERATE IN THESE CONDITIONS OR VESSELS
NOT PROPERLY EQUIPED TO DO SO...REMAIN IN PORT OR AVOID THE
WARING AREA.

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.

&&

$$

LHZ464-011445-
/O.NEW.KDTX.UP.W.0003.110202T0000Z-110203T0800Z/
/O.UPG.KDTX.GL.A.0001.110202T0600Z-110202T2100Z/
/O.NEW.KDTX.GL.W.0031.110202T0000Z-110203T0000Z/
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
938 PM EST MON JAN 31 2011

...GALE WARNING IN EFFECT FROM 7 PM TUESDAY TO 7 PM EST
WEDNESDAY...
...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 7 PM TUESDAY TO
3 AM EST THURSDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
HEAVY FREEZING SPRAY WARNING...WHICH IS IN EFFECT FROM 7 PM
TUESDAY TO 3 AM EST THURSDAY. A GALE WARNING HAS ALSO BEEN
ISSUED. THIS GALE WARNING IS IN EFFECT FROM 7 PM TUESDAY TO 7 PM
EST WEDNESDAY. 

* EXPECT HEAVY FREEZING SPRAY TO OCCUR FROM 7 PM TUESDAY TO 3 AM 
  EST THURSDAY.

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 26 KNOTS FROM THE NORTHEAST WITH GUSTS UP TO 34 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 9 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 13 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 7 AM EST 
  WEDNESDAY WITH THE LARGEST WAVES EXPECTED AROUND 11 AM EST 
  WEDNESDAY. 

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAVY FREEZING SPRAY WARNING MEANS HEAVY FREEZING SPRAY IS
EXPECTED TO RAPIDLY ACCUMULATE ON VESSELS. THESE CONDITIONS CAN
BE EXTREMELY HAZARDOUS TO NAVIGATION. IT IS RECOMMENDED THAT
MARINERS NOT TRAINED TO OPERATE IN THESE CONDITIONS OR VESSELS
NOT PROPERLY EQUIPED TO DO SO...REMAIN IN PORT OR AVOID THE
WARING AREA.

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.

&&

$$

LHZ421-422-441>443-011445-
/O.UPG.KDTX.GL.A.0001.110202T0600Z-110202T2100Z/
/O.NEW.KDTX.GL.W.0031.110202T0000Z-110203T0000Z/
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-
938 PM EST MON JAN 31 2011

...GALE WARNING IN EFFECT FROM 7 PM TUESDAY TO 7 PM EST
WEDNESDAY...

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

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 29 KNOTS FROM THE NORTHEAST WITH GUSTS UP TO 39 
  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 8 AM EST 
  WEDNESDAY WITH THE LARGEST WAVES EXPECTED AROUND 12 PM 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-LEZ444-011445-
/O.UPG.KDTX.GL.A.0001.110202T0600Z-110202T1400Z/
/O.NEW.KDTX.GL.W.0031.110202T0000Z-110202T1600Z/
LAKE ST. CLAIR-
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
938 PM EST MON JAN 31 2011

...GALE WARNING IN EFFECT FROM 7 PM TUESDAY TO 11 AM EST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A GALE
WARNING...WHICH IS IN EFFECT FROM 7 PM TUESDAY TO 11 AM EST
WEDNESDAY. 

* WIND: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS UP TO 
  27 KNOTS FROM THE NORTHEAST WITH GUSTS UP TO 34 KNOTS. 

* TIMING: THE MAXIMUM WINDS ARE 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.

&&

$$
6 follow-up statements
792 
WHUS73 KDTX 011445
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
945 AM EST TUE FEB 1 2011

...NORTHEAST GALES TONIGHT INTO WEDNESDAY...

.LIGHT SNOW AND NORTHEASTERLY WINDS ARE EXPECTED EARLY THIS MORNING 
AS SOME MID LEVEL MOISTURE MOVES INTO THE REGION. A STRONG LOW 
PRESSURE SYSTEM WILL IMPACT THE REGION AS IT TRACKS NORTHEAST 
THROUGH THE OHIO VALLEY LATER TODAY AND INTO WEDNESDAY. THIS SYSTEM 
WILL BRING STRONG NORTHERLY WINDS WITH HIGH WAVES AND HEAVY FREEZING 
SPRAY. HEAVY SNOWFALL CAN ALSO BE EXPECTED FROM SOUTHERN LAKE HURON 
TO LAKE ERIE. 

LHZ362-363-462>464-020500-
/O.CON.KDTX.GL.W.0031.110202T0000Z-110203T0000Z/
/O.CON.KDTX.UP.W.0003.110202T0000Z-110203T0800Z/
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-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
945 AM EST TUE FEB 1 2011

...GALE WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 7 PM
EST WEDNESDAY...
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT FROM 7 PM THIS
EVENING TO 3 AM EST THURSDAY...

A HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT FROM 7 PM THIS
EVENING TO 3 AM EST THURSDAY. 

* EXPECT HEAVY FREEZING SPRAY TO OCCUR FROM 7 PM THIS EVENING TO 
  3 AM EST THURSDAY.

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

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 34 KNOTS FROM THE NORTHEAST WITH GUSTS UP TO 44 
  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 7 AM EST 
  WEDNESDAY WITH THE LARGEST WAVES EXPECTED AROUND 9 AM EST 
  WEDNESDAY. 

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAVY FREEZING SPRAY WARNING MEANS HEAVY FREEZING SPRAY IS
EXPECTED TO RAPIDLY ACCUMULATE ON VESSELS. THESE CONDITIONS CAN
BE EXTREMELY HAZARDOUS TO NAVIGATION. IT IS RECOMMENDED THAT
MARINERS NOT TRAINED TO OPERATE IN THESE CONDITIONS OR VESSELS
NOT PROPERLY EQUIPPED TO DO SO...REMAIN IN PORT OR AVOID THE
WARING AREA.

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.

&&

$$

LHZ421-422-441>443-020500-
/O.CON.KDTX.GL.W.0031.110202T0000Z-110203T0000Z/
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-
945 AM EST TUE FEB 1 2011

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

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

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 32 KNOTS FROM THE NORTHEAST WITH GUSTS UP TO 42 
  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 7 AM EST 
  WEDNESDAY WITH THE LARGEST WAVES EXPECTED AROUND 9 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-LEZ444-020500-
/O.CON.KDTX.GL.W.0031.110202T0000Z-110202T1600Z/
LAKE ST. CLAIR-
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
945 AM EST TUE FEB 1 2011

...GALE WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 11 AM
EST WEDNESDAY...

A GALE WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 11 AM
EST WEDNESDAY. 

* WIND: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS UP TO 
  27 KNOTS FROM THE NORTHEAST WITH GUSTS UP TO 36 KNOTS. 

* TIMING: THE MAXIMUM WINDS ARE 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.

&&

$$

SF
075 
WHUS73 KDTX 012031
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
331 PM EST TUE FEB 1 2011

...NORTHEAST GALES TONIGHT INTO WEDNESDAY...

.NORTHEAST WINDS WILL CONTINUE TO RAMP UP INTO TONIGHT OVER THE 
CENTRAL GREAT LAKES...REACHING GALE FORCE AS LOW PRESSURE TRACKS 
INTO NORTHWEST OHIO OVERNIGHT. HEAVY SNOWFALL AND FREEZING SPRAY 
WILL ACCOMPANY THE WINDS FROM SOUTHERN LAKE HURON TO LAKE ERIE. 
WINDS WILL SHIFT TO THE NORTH TOMORROW...AND THEN NORTHWEST TOMORROW 
NIGHT AS THE LOW EXITS THE EASTERN GREAT LAKES. 

A RIDGE OF HIGH PRESSURE WILL BUILD INTO THE REGION THURSDAY 
MORNING...THEN SLIDING EAST THROUGH THE END OF THE WORK 
WEEK...SUPPORTING MODERATE SOUTHWEST WINDS OF 15 TO 20 KNOTS.

LHZ362-363-462>464-020845-
/O.CON.KDTX.GL.W.0031.110202T0000Z-110203T0000Z/
/O.CON.KDTX.UP.W.0003.110202T0000Z-110203T0800Z/
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-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
331 PM EST TUE FEB 1 2011

...GALE WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 7 PM
EST WEDNESDAY...
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT FROM 7 PM THIS
EVENING TO 3 AM EST THURSDAY...

A HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT FROM 7 PM THIS
EVENING TO 3 AM EST THURSDAY. 

* EXPECT HEAVY FREEZING SPRAY TO OCCUR FROM 7 PM THIS EVENING TO 
  3 AM EST THURSDAY.

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

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 34 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 7 AM EST 
  WEDNESDAY WITH THE LARGEST WAVES EXPECTED AROUND 9 AM EST 
  WEDNESDAY. 

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAVY FREEZING SPRAY WARNING MEANS HEAVY FREEZING SPRAY IS
EXPECTED TO RAPIDLY ACCUMULATE ON VESSELS. THESE CONDITIONS CAN
BE EXTREMELY HAZARDOUS TO NAVIGATION. IT IS RECOMMENDED THAT
MARINERS NOT TRAINED TO OPERATE IN THESE CONDITIONS OR VESSELS
NOT PROPERLY EQUIPED TO DO SO...REMAIN IN PORT OR AVOID THE
WARING AREA.

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.

&&

$$

LHZ421-422-441>443-020845-
/O.CON.KDTX.GL.W.0031.110202T0000Z-110203T0000Z/
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-
331 PM EST TUE FEB 1 2011

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

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

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 32 KNOTS FROM THE NORTHEAST WITH GUSTS UP TO 42 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 3 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 4 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 7 AM EST 
  WEDNESDAY WITH THE LARGEST WAVES EXPECTED AROUND 9 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-LEZ444-020845-
/O.CON.KDTX.GL.W.0031.110202T0000Z-110202T1600Z/
LAKE ST. CLAIR-
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
331 PM EST TUE FEB 1 2011

...GALE WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 11 AM
EST WEDNESDAY...

A GALE WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 11 AM
EST WEDNESDAY. 

* WIND: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS UP TO 
  27 KNOTS FROM THE NORTHEAST WITH GUSTS UP TO 36 KNOTS. 

* TIMING: THE MAXIMUM WINDS ARE 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.

&&

$$
856 
WHUS73 KDTX 020858
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
358 AM EST WED FEB 2 2011

...STRONG WINTER STORM IMPACTING THE REGION...

.THE STRONG WINTER STORM SYSTEM WILL CONTINUE TO LIFT NORTHEASTWARD 
THROUGH OHIO TODAY REACHING NORTH CENTRAL NEW YORK STATE BY THIS 
EVENING. WINDSPEEDS OVERNIGHT HAVE SOLIDLY REACHED GALE FORCE ACROSS 
ALL OF THE WATERS OF LAKE HURON. IN FACT...SMALL SCALE FUNNELING AND 
CONVERGENCE OF THE NORTHEAST FLOW OVER INNER SAGINAW BAY HAVE LED TO 
STORM FORCE WIND GUSTS THE PAST HOUR. WILL GO WITH A SHORT DURATION 
STORM WARNING FOR INNER SAGINAW BAY UNTIL THE LATE MORNING. FARTHER 
SOUTH...THE GALE WARNING IS IN SOME DOUBT AS MODEL GUIDANCE 
CONTINUES TO WEAKEN WIND SPEEDS TRAILING THE LOW PRESSURE CENTER. 
GIVEN THAT WINDS REMAIN ELEVATED ACROSS ILLINOIS AND PORTIONS OF 
IOWA AND THAT CONDITIONS WILL BE CHARACTERIZED BY COLD AIR 
ADVECTION...WILL ALLOW THE GALE WARNING TO CONTINUE ACROSS LAKE ST 
CLAIR/MICHIGAN WATERS OF LAKE ERIE TO MONITOR TRENDS.

A RIDGE OF HIGH PRESSURE WILL BUILD INTO THE REGION THURSDAY 
MORNING...THEN SLIDING EAST THROUGH THE END OF THE WORK 
WEEK...SUPPORTING MODERATE SOUTHWEST WINDS OF 15 TO 20 KNOTS.

LHZ422-021500-
/O.UPG.KDTX.GL.W.0031.000000T0000Z-110203T0000Z/
/O.NEW.KDTX.SR.W.0001.110202T0858Z-110202T1500Z/
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
358 AM EST WED FEB 2 2011

...STORM WARNING IN EFFECT UNTIL 10 AM EST THIS MORNING...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
STORM WARNING...WHICH IS IN EFFECT UNTIL 10 AM EST THIS MORNING. 

* WIND: DURING THE STORM WARNING...EXPECT SUSTAINED WINDS UP TO 
  39 KNOTS FROM THE NORTHEAST WITH GUSTS UP TO 50 KNOTS. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 3 AM EST 
  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.

&&

$$

LHZ361-022100-
/O.EXB.KDTX.UP.W.0003.000000T0000Z-110203T0900Z/
/O.EXA.KDTX.GL.W.0031.000000T0000Z-110203T0000Z/
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
358 AM EST WED FEB 2 2011

...HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 4 AM EST
THURSDAY...
...GALE WARNING IN EFFECT UNTIL 7 PM EST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
HEAVY FREEZING SPRAY WARNING...WHICH IS IN EFFECT UNTIL 4 AM EST
THURSDAY. A GALE WARNING HAS ALSO BEEN ISSUED. THIS GALE WARNING
IS IN EFFECT UNTIL 7 PM EST THIS EVENING. 

* EXPECT HEAVY FREEZING SPRAY TO OCCUR UNTIL 4 AM EST THURSDAY.

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 31 KNOTS FROM THE NORTHEAST WITH GUSTS UP TO 37 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 10 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 14 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 8 AM EST 
  WEDNESDAY WITH THE LARGEST WAVES EXPECTED AROUND 7 AM EST 
  WEDNESDAY. 

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAVY FREEZING SPRAY WARNING MEANS HEAVY FREEZING SPRAY IS
EXPECTED TO RAPIDLY ACCUMULATE ON VESSELS. THESE CONDITIONS CAN
BE EXTREMELY HAZARDOUS TO NAVIGATION. IT IS RECOMMENDED THAT
MARINERS NOT TRAINED TO OPERATE IN THESE CONDITIONS OR VESSELS
NOT PROPERLY EQUIPED TO DO SO...REMAIN IN PORT OR AVOID THE
WARING AREA.

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.

&&

$$

LHZ362-363-462>464-022100-
/O.EXT.KDTX.UP.W.0003.000000T0000Z-110203T0900Z/
/O.CON.KDTX.GL.W.0031.000000T0000Z-110203T0000Z/
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-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
358 AM EST WED FEB 2 2011

...HEAVY FREEZING SPRAY WARNING NOW IN EFFECT UNTIL 4 AM EST
THURSDAY...
...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING...

THE HEAVY FREEZING SPRAY WARNING IS NOW IN EFFECT UNTIL 4 AM EST
THURSDAY. 

* EXPECT HEAVY FREEZING SPRAY TO OCCUR UNTIL 4 AM EST THURSDAY.

A GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 41 KNOTS FROM THE NORTHEAST WITH GUSTS UP TO 44 
  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 3 AM EST 
  WEDNESDAY WITH THE LARGEST WAVES EXPECTED AROUND 8 AM EST 
  WEDNESDAY. 

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAVY FREEZING SPRAY WARNING MEANS HEAVY FREEZING SPRAY IS
EXPECTED TO RAPIDLY ACCUMULATE ON VESSELS. THESE CONDITIONS CAN
BE EXTREMELY HAZARDOUS TO NAVIGATION. IT IS RECOMMENDED THAT
MARINERS NOT TRAINED TO OPERATE IN THESE CONDITIONS OR VESSELS
NOT PROPERLY EQUIPED TO DO SO...REMAIN IN PORT OR AVOID THE
WARING AREA.

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-LEZ444-021600-
/O.CON.KDTX.GL.W.0031.000000T0000Z-110202T1600Z/
LAKE ST. CLAIR-
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
358 AM EST WED FEB 2 2011

...GALE WARNING REMAINS IN EFFECT UNTIL 11 AM EST THIS MORNING...

A GALE WARNING REMAINS IN EFFECT UNTIL 11 AM EST THIS MORNING. 

* WIND: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS UP TO 29
  KNOTS FROM THE EAST WITH GUSTS UP TO 35 KNOTS.

* TIMING: THE MAXIMUM WINDS ARE 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.

&&

$$

LHZ421-441>443-022100-
/O.CON.KDTX.GL.W.0031.000000T0000Z-110203T0000Z/
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER
SAGINAW BAY-PORT AUSTIN TO HARBOR BEACH MI-
HARBOR BEACH TO PORT SANILAC MI-PORT SANILAC TO PORT HURON MI-
358 AM EST WED FEB 2 2011

...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING...

A GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 40 KNOTS FROM THE NORTHEAST WITH GUSTS UP TO 46 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 17 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 24 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 3 AM EST 
  WEDNESDAY WITH THE LARGEST WAVES EXPECTED AROUND 6 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.

&&

$$
516 
WHUS73 KDTX 021444
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
944 AM EST WED FEB 2 2011

...WINDS QUICKLY DIMINISHING BY THIS EVENING...

.THE STRONG WINTER STORM SYSTEM WILL CONTINUE TO LIFT NORTHEASTWARD 
THROUGH OHIO TODAY REACHING NORTH CENTRAL NEW YORK STATE BY THIS 
EVENING...ALLOWING WINDS TO QUICKLY DIMINISH. 

A RIDGE OF HIGH PRESSURE WILL BUILD INTO THE REGION THURSDAY
MORNING...THEN SLIDING EAST THROUGH THE END OF THE WORK
WEEK...SUPPORTING MODERATE SOUTHWEST WINDS OF 15 TO 20 KNOTS.

LHZ422-030000-
/O.CAN.KDTX.SR.W.0001.000000T0000Z-110202T1500Z/
/O.EXA.KDTX.GL.W.0031.000000T0000Z-110203T0000Z/
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
944 AM EST WED FEB 2 2011

...GALE WARNING IN EFFECT UNTIL 7 PM EST THIS EVENING...
...STORM WARNING IS CANCELLED...

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

* WIND: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS UP TO 
  30 KNOTS FROM THE NORTHEAST WITH GUSTS UP TO 45 KNOTS. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 9 AM EST 
  WEDNESDAY.

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.

&&

$$

LCZ460-LEZ444-030000-
/O.CAN.KDTX.GL.W.0031.000000T0000Z-110202T1600Z/
/O.NEW.KDTX.BW.Y.0005.110202T1444Z-110203T0000Z/
LAKE ST. CLAIR-
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
944 AM EST WED FEB 2 2011

...BRISK WIND ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING...
...GALE WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
BRISK WIND ADVISORY...WHICH IS IN EFFECT UNTIL 7 PM EST THIS
EVENING. 

* WIND: DURING THE BRISK WIND ADVISORY...EXPECT SUSTAINED WINDS 
  UP TO 23 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 32 KNOTS. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 4 PM EST 
  WEDNESDAY.

THE GALE WARNING HAS BEEN CANCELLED. 

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BRISK WIND ADVISORY MEANS THAT WINDS WILL REACH SMALL CRAFT
ADVISORY CRITERIA IN AREAS THAT ARE PRIMARILY ICE COVERED. MOVING
ICE FLOES COULD DAMAGE SMALL CRAFT.

&&

$$

LHZ361>363-462>464-030245-
/O.CON.KDTX.GL.W.0031.000000T0000Z-110203T0000Z/
/O.CON.KDTX.UP.W.0003.000000T0000Z-110203T0900Z/
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-
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-
944 AM EST WED FEB 2 2011

...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING...
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 4 AM EST
THURSDAY...

A HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 4 AM EST
THURSDAY. 

* EXPECT HEAVY FREEZING SPRAY TO OCCUR UNTIL 4 AM EST THURSDAY.

A GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 34 KNOTS FROM THE NORTHEAST WITH GUSTS UP TO 44 
  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 9 AM EST 
  WEDNESDAY WITH THE LARGEST WAVES EXPECTED AROUND 9 AM EST 
  WEDNESDAY. 

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAVY FREEZING SPRAY WARNING MEANS HEAVY FREEZING SPRAY IS
EXPECTED TO RAPIDLY ACCUMULATE ON VESSELS. THESE CONDITIONS CAN
BE EXTREMELY HAZARDOUS TO NAVIGATION. IT IS RECOMMENDED THAT
MARINERS NOT TRAINED TO OPERATE IN THESE CONDITIONS OR VESSELS
NOT PROPERLY EQUIPPED TO DO SO...REMAIN IN PORT OR AVOID THE
WARING AREA.

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>443-030000-
/O.CON.KDTX.GL.W.0031.000000T0000Z-110203T0000Z/
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER
SAGINAW BAY-PORT AUSTIN TO HARBOR BEACH MI-
HARBOR BEACH TO PORT SANILAC MI-PORT SANILAC TO PORT HURON MI-
944 AM EST WED FEB 2 2011

...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING...

A GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 31 KNOTS FROM THE NORTHEAST WITH GUSTS UP TO 44 
  KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 16 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 23 FEET. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 9 AM EST 
  WEDNESDAY WITH THE LARGEST WAVES EXPECTED AROUND 9 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.

&&

$$
963 
WHUS73 KDTX 022007
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
307 PM EST WED FEB 2 2011

...WINDS DIMINISH TONIGHT...

.WINDS WILL QUICKLY DIMINISH THIS EVENING AS A RIDGE OF HIGH PRESSURE 
MOVES OVER THE CENTRAL GREAT LAKES LATE TOMORROW MORNING. THIS HIGH 
WILL SLIDE EAST THROUGH THE END OF THE WORK WEEK...SUPPORTING 
MODERATE SOUTHWEST WINDS OF 15 TO 25 KNOTS. WINDS WILL BECOME 
LIGHTER OVER THE WEEKEND...AREA OF LOW PRESSURE WORKS THROUGH THE 
REGION.

LHZ361>363-462>464-030815-
/O.CON.KDTX.GL.W.0031.000000T0000Z-110203T0000Z/
/O.CON.KDTX.UP.W.0003.000000T0000Z-110203T0900Z/
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-
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-
307 PM EST WED FEB 2 2011

...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING...
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 4 AM EST
THURSDAY...

A HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 4 AM EST
THURSDAY. 

* EXPECT HEAVY FREEZING SPRAY TO OCCUR UNTIL 4 AM EST THURSDAY.

A GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING. 

* 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 13 FEET 
  WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 19 FEET. 

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

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAVY FREEZING SPRAY WARNING MEANS HEAVY FREEZING SPRAY IS
EXPECTED TO RAPIDLY ACCUMULATE ON VESSELS. THESE CONDITIONS CAN
BE EXTREMELY HAZARDOUS TO NAVIGATION. IT IS RECOMMENDED THAT
MARINERS NOT TRAINED TO OPERATE IN THESE CONDITIONS OR VESSELS
NOT PROPERLY EQUIPED TO DO SO...REMAIN IN PORT OR AVOID THE
WARING AREA.

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.

&&

$$

LHZ421-422-441>443-030000-
/O.CON.KDTX.GL.W.0031.000000T0000Z-110203T0000Z/
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-
307 PM EST WED FEB 2 2011

...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING...

A GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING. 

* WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED 
  WINDS UP TO 29 KNOTS FROM THE NORTH 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 ARE EXPECTED AROUND 4 PM EST WEDNESDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 4 PM 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-LEZ444-030000-
/O.CON.KDTX.BW.Y.0005.000000T0000Z-110203T0000Z/
LAKE ST. CLAIR-
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
307 PM EST WED FEB 2 2011

...BRISK WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS
EVENING...

A BRISK WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS
EVENING. 

* WIND: DURING THE BRISK WIND ADVISORY...EXPECT SUSTAINED WINDS 
  UP TO 24 KNOTS FROM THE NORTHWEST WITH GUSTS UP TO 32 KNOTS. 

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 4 PM EST 
  WEDNESDAY.

REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BRISK WIND ADVISORY MEANS THAT WINDS WILL REACH SMALL CRAFT
ADVISORY CRITERIA IN AREAS THAT ARE PRIMARILY ICE COVERED. MOVING
ICE FLOES COULD DAMAGE SMALL CRAFT.

&&

$$
342 
WHUS73 KDTX 030005
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
705 PM EST WED FEB 2 2011

...MARINE CONDITIONS IMPROVING QUICKLY TONIGHT...

.WINDS WILL QUICKLY DIMINISH AS A RIDGE OF HIGH PRESSURE MOVES
OVER THE CENTRAL GREAT LAKES TONIGHT THROUGH THURSDAY MORNING.
THIS HIGH WILL SLIDE EAST THROUGH THE END OF THE WEEK AND SUPPORT
MODERATE SOUTHWEST WINDS. WINDS WILL BECOME LIGHTER OVER THE
WEEKEND AS THE NEXT LOW PRESSURE SYSTEM WORKS THROUGH THE REGION.

LHZ361>363-462>464-030115-
/O.CAN.KDTX.UP.W.0003.000000T0000Z-110203T0900Z/
/O.EXP.KDTX.GL.W.0031.000000T0000Z-110203T0000Z/
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-
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-
705 PM EST WED FEB 2 2011

...HEAVY FREEZING SPRAY WARNING IS CANCELLED...
...GALE WARNING HAS EXPIRED...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS CANCELLED THE
HEAVY FREEZING SPRAY WARNING. THE GALE WARNING IS NO LONGER IN
EFFECT. 

NORTHWEST WINDS HAVE FALLEN BELOW 30 KNOTS ALL AREAS AND THIS WILL
REMAIN THE CASE FOR THE REST OF THE NIGHT.

$$

LHZ421-422-441>443-030115-
/O.EXP.KDTX.GL.W.0031.000000T0000Z-110203T0000Z/
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-
705 PM EST WED FEB 2 2011

...GALE WARNING HAS EXPIRED...

THE GALE WARNING IS NO LONGER IN EFFECT. 

NORTHWEST WINDS HAVE FALLEN BELOW 30 KNOTS ALL AREAS AND THIS WILL
REMAIN THE CASE FOR THE REST OF THE NIGHT.

$$

LCZ460-LEZ444-030115-
/O.EXP.KDTX.BW.Y.0005.000000T0000Z-110203T0000Z/
LAKE ST. CLAIR-
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
705 PM EST WED FEB 2 2011

...BRISK WIND ADVISORY HAS EXPIRED...

THE BRISK WIND ADVISORY IS NO LONGER IN EFFECT. 

NORTHWEST WINDS HAVE FALLEN BELOW 25 KNOTS ALL AREAS AND THIS
WILL REMAIN THE CASE FOR THE REST OF THE NIGHT.

$$

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 Jan 31, 6:47 PM EST, 2 hours 51 minutes earlier.

Area forecast discussion, Jan 31, 6:47 PM EST, 2 hours 51 minutes before
AREA FORECAST DISCUSSION...CORRECTED
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
647 PM EST MON JAN 31 2011

.UPDATE...

AN UPDATED SET OF GRIDS AND ZFPDTX WILL BE ISSUED WITHIN THE NEXT
HALF HOUR. THIS UPDATE WILL STRICTLY COVER POPS AND SNOW AMOUNTS
IN THE TONIGHT PERIOD. UPSTREAM RADAR RETURNS HAVE BEEN INCREASING
FOR THE LAST COUPLE OF HOURS. THIS REGION OF SNOWFALL IS OCCURRING
WITHIN A DEEP REGION OF FRONTOGENETICAL SUPPORT WITHIN THE EXIT
REGION OF A 130 KNOT UPPER LEVEL JET CORE OVER SOUTHERN QUEBEC.
THE STRONGEST FGEN FORCING OVER SE MI IS EXPECTED TO OCCUR BETWEEN
06Z AND 09Z. MOST OF THE FORCING WILL RESIDE IN THE 850-600MB
LAYER OVER THE AREA. NEAR THE OHIO BORDER HOWEVER...LOWER
TROPOSPHERIC FORCING PARTICULARLY IN THE 925-850MB LAYER IS EXPECTED
TO BE QUITE STRONG...ALBEIT BRIEF. IN LIGHT OF UPSTREAM RETURNS
HOWEVER...WILL INCREASE POPS TONIGHT. THE 18Z MODEL GUIDANCE DOES
NOT INDICATE FORCING PERSISTING OVER ONE AREA TOO LONG. ALTHOUGH THE
SURFACE LAYER OVER SOUTHERN MI IS EXTREMELY DRY...MID LEVEL MOISTURE
ADVECTION DOES BECOME QUITE GOOD TONIGHT...SO SATURATION SHOULD
OCCUR FAIRLY QUICKLY. MID LEVEL STABILITY IS ALSO SHOWN TO DECREASE
OVERNIGHT. THUS...PLAN TO CARRY A GENERAL 1 TO 3 INCH ACCUMULATION
FOR THE OVERNIGHT PERIOD. THE EXCEPTION WILL BE ACROSS LENAWEE AND
MONROE COUNTIES WHERE BETTER MOISTURE/STRONGER LIFT WILL SUPPORT 2
TO 4 INCHES AND WILL WARRANT THE ISSUANCE OF A WINTER WEATHER
ADVISORY.

CONDITIONS WILL CONTINUE TO HAVE TO BE CLOSELY MONITORED THROUGH
THE EVENING IN THE EVENT THAT FORCING SHOWS EVIDENCE OF BEING A BIT
MORE PERSISTENT.

&&

.AVIATION...ISSUED 608 PM EST MON JAN 31 2011

REGIONAL RADAR SHOWS SNOW SLOWLY MOVING TOWARD LOWER
MICHIGAN...ASSOCIATED WITH A FRONTAL BOUNDARY ALOFT. THE LOW LEVELS
ARE VERY DRY ACROSS SE MI AS EVIDENT BY SURFACE DEWPOINTS IN THE
SINGLE DIGITS. THE REGION OF FORCING WILL MOVE ACROSS SE MI BETWEEN
03Z AND 12Z. WHILE INITIALLY THE DRY AIR WILL INHIBIT SNOW FROM
REACHING THE GROUND...MODEL SOUNDINGS AND UPSTREAM OBSERVATIONS
INDICATE RAPID LOW LEVEL MOISTENING...WHICH SHOULD ALLOW CONDITIONS
TO QUICKLY FALL TO MVFR AND IFR. THE FORCING IS EXPECTED TO WEAKEN
AROUND 12Z...LEADING TO JUST SOME FLURRIES OR LIGHT SNOW SHOWERS
AFTER. FOR DTW...EVIDENCE IS NOW SUGGESTING NIGHTTIME ACCUMULATIONS
OF 2 TO 3 INCHES POSSIBLE.

NORTHEAST WINDS WILL INCREASE THROUGH THE DAY ON TUESDAY...GUSTING
OVER 20 KNOTS AT TIMES. THE HEAVY WET SNOW ASSOCIATED WITH THE
APPROACHING STORM SYSTEM IS NOT FORECAST TO ARRIVE AT DTW UNTIL 03Z
TO 06Z TUESDAY EVENING.

&&

.PREV DISCUSSION...ISSUED 353 PM EST MON JAN 31 2011

SHORT TERM...THIS AFTERNOON AND TONIGHT

LIGHT SNOW IS EXPECTED AFTER MIDNIGHT AS SOME MID LEVEL MOISTURE
MOVES INTO THE GREAT LAKES REGION TONIGHT. RECENT MODEL RUNS ARE
FAIRLY CONSISTENT WITH PRECIPITATION AMOUNTS FOR SOUTHEAST MICHIGAN
WITH LOWER AMOUNTS TOWARDS THE SAGINAW VALLEY AND HIGHER AMOUNTS IN
THE SOUTHERN COUNTIES. THEREFORE...ACCUMULATIONS OF AN INCH ARE
FORECASTED THROUGH MOST OF THE CWA WITH CLOSER TO 2 INCHES IN MONROE
AND LENAWEE COUNTIES. WINDS WILL REMAIN NORTHEASTERLY OVERNIGHT AND
INCREASE SLIGHTLY TO SUSTAINED 10 TO 15 KNOTS AS THE PRESSURE
GRADIENT...ASSOCIATED WITH THE LOW PRESSURE SYSTEM THAT WILL IMPACT
THE REGION ON TUESDAY NIGHT...BEGINS TO TIGHTEN ACROSS THE GREAT
LAKES REGION. ABUNDANT CLOUD COVER THROUGH THE NIGHT AND ONGOING
SNOWFALL WILL NOT ALLOW TEMPERATURES TO DROP OFF AS MUCH AS PREVIOUS
NIGHTS GIVEN THE LACK OF SIGNIFICANT COLD OR WARM AIR ADVECTION.

LONG TERM...

WINTER STORM STILL ON TARGET TO IMPACT SOUTHEAST MICHIGAN DURING THE
TUESDAY NIGHT AND WEDNESDAY PERIOD.  LATEST WATER VAPOR AND
UPPER AIR ANALYSIS SHOWING THE MAIN PLAYERS STILL WELL UPSTREAM AND
IN THE ORGANIZING PHASE...WITH A STRONG MID LEVEL PV ANOMALY TIED
WITH BY A 130 KNOT UPPER JET CORE EJECTING EASTWARD ACROSS NORTHERN
MEXICO AND ANCHORED SOUTH OF A DIGGING POSITIVELY TROUGH WORKING
ACROSS THE ROCKIES.  A PERIOD OF STRONGER SURFACE CYCLOGENESIS WILL
COMMENCE IN RESPONSE TO THE PRONOUNCED HEIGHT FALLS/INCREASING LARGE
SCALE ASCENT AS THESE FEATURES EMERGE INTO WILL SOUTHERN PLAINS/
MISSISSIPPI VALLEY TONIGHT INTO TUESDAY.  MODELS CONTINUE TO DISPLAY
STRONG CONSENSUS AND LITTLE RUN TO RUN INCONSISTENCY IN DEPICTING
THIS LARGE SCALE PATTERN EVOLUTION AS IT EVOLVES WITH TIME AND
TRANSLATES DOWNSTREAM INTO TUESDAY NIGHT AND WEDNESDAY.  DESPITE THE
HIGHER DEGREE OF CONFIDENCE THIS PROVIDES...THERE REMAINS SOME ROOM
YET FOR SLIGHT BUT STILL IMPORTANT ADJUSTMENTS AS THE MODELS WORK TO
DEFINE THE EXACT RESPONSE TO THE AFOREMENTIONED UPPER WAVES
INTERACTING EAST OF THE ROCKIES.  IN FACT...THE 12Z NAM GIVES THE
FIRST WOBBLE IN PROVIDING A SLIGHTLY WEAKER/SOUTHERLY SURFACE LOW
TRACK.  THIS ADJUSTMENT HAS AGREEMENT FROM MANY OF THE GFS ENSEMBLE
MEMBERS...ALTHOUGH THE 12Z GFS STILL CARRIES A STRONGER SOLUTION.

CORRIDOR OF STRONG UPWARD VERTICAL MOTION WILL RESIDE ON THE
NORTHERN FLANK OF THE LOW LEVEL CYCLONE AS IT TRACKS THROUGH THE
OHIO VALLEY...TIED TO EXPANDING UPPER DIFFLUENCE...STRENGTHENING MID
LEVEL FGEN FORCING AND A PERIOD OF COUPLED UPPER JET DYNAMICS.
THERE WILL BE NO LACK OF MOISTURE QUALITY AS THIS FORCING ARRIVES
INTO SOUTHERN MICHIGAN THROUGH THE EVENING HOURS...WITH SUSTAINED
MOISTURE TRANSPORT PUSHING SPECIFIC HUMIDITY VALUES INTO THE 3
G/KG.  MOISTURE CONTENT NOT NEARLY AS GOOD NORTH OF I-69...OWING TO
SOME RELUCTANCE OF THE DRY POLAR AIR TO RELEASE NORTHWARD GIVEN THE
POSITION OF THE ANTICYCLONE HOLDING TO THE NORTH.  A WILDCARD STILL
WORTH NOTING WILL BE THE POTENTIAL FOR CONVECTION TO THE SOUTH TO
INTERRUPT AND/OR SHUNT THE BETTER FEED OF MOISTURE TO THE EAST.
NONETHELESS...STILL PLENTY OF MOISTURE IN THE COLUMN TO ACHIEVE A
HEALTHY ACCUMULATING SNOWFALL AREAWIDE GIVEN THE DEGREE OF FORCING.
THE MAJORITY OF THIS WILL OCCUR BETWEEN ROUGHLY 03Z AND 15Z
OVERNIGHT TUESDAY INTO WEDNESDAY MORNING.

A LOOK AT THE MOISTURE/THERMAL PROFILE REVEALS A LESS THAN
IMPRESSIVE STRUCTURE FOR GOOD DENDRITE GROWTH PRODUCTION.  THE
THERMAL PROFILE CARRIES A TEMPERATURE OF -10C OR WARMER BELOW 600 MB
PER BOTH NAM/GFS MODEL SOUNDINGS...WITH THE ISOTHERMAL LAYER AND
BETTER ASCENT RESIDING BENEATH THE DGZ.  MODEL CROSS SECTIONS DO
DISPLAY A RESPECTABLE DEGREE OF INSTABILITY/LOWER STATIC STABILITY
WITHIN THE SATURATED THETA-E FIELDS...WITH EVIDENCE OF A TIGHTENING
AGEOSTROPHIC CIRCULATION IN RESPONSE TO THE STRENGTHENING MID LEVEL
FGEN.  MID LEVEL LAPSE RATES STEEPEN CONSIDERABLY...AND GIVEN THE
POSITION OF THE IMPINGING DRY SLOT WEDNESDAY MORNING...WOULD NOT BE
SURPRISED TO SEE SOME THUNDER SNOW.  TAKING ALL THIS INTO
ACCOUNT...STILL LOOKING AT A WINDOW OF HIGHER INTENSITY SNOWFALL
/PERIOD OF 1-3 INCH SNOWFALL RATES/...BUT PREFER A SLIGHTLY LOWER
DURATION /6-8 HOURS/ OF HEAVIER SNOW TAKING POSSIBLE MID LEVEL DRY
SLOTTING INTO ACCOUNT.  THIS STILL SUPPORTS CARRYING A GOOD
ACCUMULATING SNOWFALL OF 8-12 INCHES SOUTH OF I-69 AND 7-10 INCHES
SAGINAW VALLEY/NORTHERN THUMB.  DO WANT TO TEMPER EXPECTATIONS IN
SEEING WIDESPREAD ACCUMULATIONS IN EXCESS OF THIS DESPITE SOME RAW
DATA SUGGESTING AS MUCH...GIVEN SOME CONCERNS NOTED ABOVE.  THE
ADJUSTMENT NOTED BY THE NAM TRICKLES DOWN TO A .2-.3" DROP IN TOTAL
MODEL QPF AND A MUCH MORE DEFINED NORTHERN EDGE TO THE PCPN
GRADIENT.  THIS STILL LEAVES SOUTHEAST MICHIGAN WITH A SOLID WINTER
STORM...BUT OVERALL TRENDS PROVIDE ENOUGH DOUBT TO JUSTIFY SCALING
BACK ON THE HIGHER END ACCUMULATION EXPECTATIONS.

OTHER COMPONENT REMAINS THE WIND...AS PRESSURE GRADIENT TIGHTENS
CONSIDERABLY IN RESPONSE TO THE FALLING HEIGHTS DOWNSTREAM OF THE
POLAR HIGH ANCHORED OVER CANADA.  THIS WILL CERTAINLY INTRODUCE THE
BLOWING/DRIFTING SNOW ELEMENT AS NORTHEAST WINDS INCREASE TO 15-25
KNOTS.  HOWEVER...WILL SEE THE BETTER PRESSURE FALLS HOLD TO THE
SOUTH...WITH THE LOW FILLING CONSIDERABLY AS IT PASSES OUR
LONGITUDE.  THE ISALLOBARIC COMPONENT RAMPS UP BRIEFLY AS THIS
TRANSITION OCCURS...BUT NOT ENOUGH TO WARRANT AN UPGRADE TO A
BLIZZARD WATCH.

WEDNESDAY NIGHT THROUGH FRIDAY NIGHT...EXPANSIVE UPPER LEVEL RIDGE
JUST OFF THE COAST OF NORTH AMERICA AT THE PRESENT TIME WILL BE
FOLDING OVER AND ATTEMPTING TO BUILD EAST ACROSS THE NORTHERN
ROCKIES/PLAINS. SHORTWAVE TROUGHS DROPPING SOUTHEAST WITHIN THE
PREVAILING NORTHWEST FLOW OVER CENTRAL CANADA WILL TRY TO PREVENT
THE HEIGHT RISES OVER THE GREAT LAKES REGION. IN ANY EVENT...VERY
DRY AIRMASS IS EXPECTED TO REMAIN IN PLACE DURING THE
THURSDAY-FRIDAY TIME FRAME...AS PW VALUES HOVER AROUND 0.10 INCHES
AND 850-700 MB THETA-E TROUGH LINGERS. WITH WARMING 850 MB TEMPS AND
AND SOUTHWEST FLOW...DON'T SEE MUCH OF A RISK OF FLURRIES OR SNOW
SHOWERS THURSDAY-FRIDAY...EXCEPT ACROSS THE FAR NORTH ON FRIDAY WITH
WEAK SHORTWAVE TROUGH/COLD FRONT. 850 MB TEMPS EXPECTED TO START OUT
IN THE NEGATIVE LOWER TEENS WEDNESDAY NIGHT...BUT WARMING TO THE LOW
SINGLE NUMBERS ON FRIDAY. NONE-THE-LESS...WILL HAVE SHALLOW/LINGER
ARCTIC AIRMASS...AND DESPITE THE SUNSHINE EXPECTED...TEMPS ARE
LIKELY TO BE HELD IN THE UPPER TEENS THURSDAY...AND LOWER 20S ON
FRIDAY...AS MINS SHOULD AT LEAST BE IN THE SINGLE NUMBERS...POSSIBLY
BELOW ZERO (ESPECIALLY TOWARD THE OHIO BORDER...CLOSER TO SURFACE
HIGH).

THERE WILL BE A MID LEVEL WAVE/LOW PRESSURE AREA PASSING THROUGH THE
GREAT LAKES AND OHIO VALLEY SATURDAY. MOST OF THIS ENERGY SHOULD
REMAIN SOUTH OF MI...ALLOWING FOR LOW POPS DURING THE WEEKEND. THERE
IS A CLIPPER SYSTEM PROGGED TO DIP SOUTH THROUGH NRN MI LATE SUNDAY
WHICH COULD YIELD SOME SNOW FOR METRO DETROIT. MODELS ARE NOT IN
CONCENSUS AS TO WHAT WILL HAPPEN SUNDAY NIGHT AND ONE SOLUTION IS TO
PHASE THE CLIPPER WITH A LOW EJECTING NORTH OUT OF THE GOM.

MARINE...

LIGHT SNOW AND NORTHEASTERLY WINDS ARE EXPECTED TONIGHT AS SOME MID
LEVEL MOISTURE MOVES INTO THE REGION. THE NEXT SYSTEM TO IMPACT THE
REGION WILL TRACK NORTHEAST THROUGH THE OHIO VALLEY LATE TUESDAY
INTO WEDNESDAY. THIS SYSTEM WILL BRING STRONG NORTHERLY WINDS WITH
HIGH WAVES AND HEAVY FREEZING SPRAY. HEAVY SNOWFALL CAN ALSO BE
EXPECTED FROM SOUTHERN LAKE HURON TO LAKE ERIE. A GALE WATCH WILL
CONTINUE FOR LAKE HURON SOUTH OF PRESQUE ISLE FOR LATE TUESDAY NIGHT
THROUGH WEDNESDAY. A GALE WATCH IS ALSO IN EFFECT FOR LAKE ST. CLAIR
AND LAKE ERIE ON TUESDAY NIGHT. A HEAVY FREEZING SPRAY WATCH WILL
ALSO CONTINUE FOR LATE TUESDAY NIGHT THROUGH WEDNESDAY NIGHT. HIGH
PRESSURE BUILDS INTO THE REGION THURSDAY MORNING THROUGH THE END OF
WEEK.

&&

.DTX WATCHES/WARNINGS/ADVISORIES...
MI...WINTER STORM WATCH...MIZ060-MIZ061-MIZ062-MIZ063-MIZ068-MIZ069-
     MIZ070-MIZ075-MIZ076-MIZ082-MIZ083...FROM 7 PM TUESDAY TO 7 PM
     WEDNESDAY.

     WINTER STORM WATCH...MIZ047-MIZ048-MIZ049-MIZ053-MIZ054-
     MIZ055...FROM 10 PM TUESDAY TO 7 PM WEDNESDAY.

LAKE HURON...
     GALE WATCH...LHZ362-LHZ363-LHZ421-LHZ422-LHZ441-LHZ442-LHZ443-
     LHZ462-LHZ463-LHZ464...FROM 1 AM WEDNESDAY TO 4 PM WEDNESDAY.

     HEAVY FREEZING SPRAY WATCH...LHZ362-LHZ363-LHZ462-LHZ463...FROM 1
     AM WEDNESDAY TO 4 AM THURSDAY.

LAKE ST CLAIR...
     GALE WATCH...FROM 1 AM WEDNESDAY TO 9 AM WEDNESDAY.

MI WATERS OF LAKE ERIE...
     GALE WATCH...FROM 1 AM WEDNESDAY TO 9 AM WEDNESDAY.

&&

UPDATE.......SC
AVIATION.....SC
SHORT TERM...RK
LONG TERM....MR/SF/MM
MARINE.......RK

YOU CAN OBTAIN YOUR LATEST NATIONAL WEATHER SERVICE FORECASTS ONLINE
AT WWW.WEATHER.GOV/DETROIT (ALL LOWER CASE).
Hazardous weather outlook, Jan 31, 7:17 PM EST, 2 hours 21 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
717 PM EST MON JAN 31 2011

MIZ060>063-068>070-075-076-082-083-011000-
SHIAWASSEE-GENESEE-LAPEER-ST. CLAIR-LIVINGSTON-OAKLAND-MACOMB-
WASHTENAW-WAYNE-LENAWEE-MONROE-
717 PM EST MON JAN 31 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST
MICHIGAN.

.DAY ONE...TODAY AND TONIGHT

1 TO 3 INCHES OF SNOW ACCUMULATION IS POSSIBLE TONIGHT AS MOISTURE
STREAMS OVER AN ELEVATED FRONTAL BOUNDARY. 2 TO 4 IS EXPECTED IN
LENAWEE AND MONROE COUNTIES WHERE A WINTER WEATHER ADVISORY IS
CURRENTLY IN EFFECT.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

A WINTER STORM WATCH IS IN EFFECT FOR SOUTHEAST MICHIGAN TUESDAY
NIGHT AND WEDNESDAY. PLEASE SEE THE LATEST WINTER WEATHER MESSAGE
FOR DETAILS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT. SPOTTERS
ARE HOWEVER ENCOURAGED TO REPORT SNOW ACCUMULATIONS OF GREATER
THAN ONE INCH TO THE NATIONAL WEATHER SERVICE.

MIZ047>049-053>055-011000-
MIDLAND-BAY-HURON-SAGINAW-TUSCOLA-SANILAC-
717 PM EST MON JAN 31 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST
MICHIGAN.

.DAY ONE...TODAY AND TONIGHT

1 TO 3 INCHES OF SNOW ACCUMULATION IS POSSIBLE TONIGHT AS MOISTURE
STREAMS OVER AN ELEVATED FRONTAL BOUNDARY.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

A WINTER STORM WATCH IS IN EFFECT FOR SOUTHEAST MICHIGAN TUESDAY
NIGHT AND WEDNESDAY. PLEASE SEE THE LATEST WINTER WEATHER MESSAGE
FOR DETAILS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT. SPOTTERS
ARE HOWEVER ENCOURAGED TO REPORT SNOW ACCUMULATIONS OF GREATER
THAN ONE INCH TO THE NATIONAL WEATHER SERVICE.

LCZ422-423-460-LEZ444-LHZ361>363-421-422-441>443-462>464-011000-
ST. CLAIR RIVER-DETROIT RIVER-LAKE ST. CLAIR-
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
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-
717 PM EST MON JAN 31 2011

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

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

A GALE WATCH REMAINS IN EFFECT LATE TUESDAY NIGHT THROUGH
WEDNESDAY AFTERNOON FOR ALL BUT THE FAR NORTHERN PORTION OF LAKE
HURON...AS WELL AS LAKE ST CLAIR AND WESTERN PORTIONS OF LAKE
MICHIGAN.  A FREEZING SPRAY WATCH ALSO REMAINS IN EFFECT LATE
TUESDAY NIGHT THROUGH WEDNESDAY FOR THE CENTRAL PORTION OF LAKE
HURON.

PLEASE SEE THE LATEST MARINE FORECASTS FOR FURTHER INFORMATION ON
THE BOTH THE GALE WATCH AND FREEZING SPRAY WATCH.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.

MR/SC

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
Jan 31, 7:02 PM ESTWinter Weather AdvisoryDTXLenawee, Monroe9 hr
Jan 31, 9:38 PM ESTHeavy Freezing Spray WarningDTX45 hr
Feb 1, 4:25 AM ESTBlizzard WarningDTXBay, Genesee, Huron, Lapeer, Lenawee, Livingston and 11 more37 hr
Feb 1, 4:25 AM ESTWinter Storm WarningDTXBay, Midland12 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.