Alert archive / Michigan / Small Craft Advisories in 2011
Small Craft Advisory 49, NWS Detroit, MI
NWS Detroit, MI issued this small craft advisory at Nov 12, 2011, 4:04 PM EST. It took effect at Nov 13, 2011, 4:02 AM EST. It was in force for 24 hr.
The area
The counties it named.
The facts
- Issued
- Nov 12, 2011, 4:04 PM EST (21:04 UTC)
- In effect from
- Nov 13, 2011, 4:02 AM EST
- Expired
- Nov 14, 2011, 3:59 AM EST
- In force
- 24 hr
- Issued by
- NWS Detroit, MI
The text
As transmitted, in the capitals the NWS used until 2016.
591 WHUS73 KDTX 122104 MWWDTX URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 404 PM EST SAT NOV 12 2011 ...SOUTHWEST TO WEST GALES POSSIBLE SUNDAY AND SUNDAY NIGHT... .FIFTEEN KNOT SOUTHWEST WINDS TONIGHT WILL STRENGTHEN ON SUNDAY AS THE PRESSURE GRADIENT TIGHTENS CONSIDERABLY IN ADVANCE OF A COLD FRONT. THE POTENTIAL REMAINS FOR GUSTS TO REACH GALE FORCE ACROSS LAKE HURON DURING THE LATTER HALF OF THE DAY..ALTHOUGH ENOUGH UNCERTAINTY REMAINS IN THE TIMING AND MAGNITUDE TO PRECLUDE AN UPGRADE TO A WARNING AT THIS POINT. STRONGEST WINDS WILL LIKELY DEVELOP AS MIXING DEEPENS WITH THE COLD FRONT PASSAGE BETWEEN 21Z AND 03Z LATE SUNDAY. SOUTHWEST FLOW WILL SLOWLY DIMINISH ON MONDAY AS THE GRADIENT SLACKENS. LCZ460-LEZ444-130930- /O.NEW.KDTX.SC.Y.0049.111113T1300Z-111114T0300Z/ LAKE ST. CLAIR- MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI- 404 PM EST SAT NOV 12 2011 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM TO 10 PM EST SUNDAY... THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A SMALL CRAFT ADVISORY...WHICH IS IN EFFECT FROM 8 AM TO 10 PM EST SUNDAY. * WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT SUSTAINED WINDS UP TO 27 KNOTS FROM THE SOUTH WITH GUSTS UP TO 32 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 6 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 8 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 4 PM EST SUNDAY WITH THE LARGEST WAVES EXPECTED AROUND 4 PM EST SUNDAY. 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. && $$ LHZ421-422-130930- /O.EXT.KDTX.GL.A.0021.111113T1800Z-111114T0300Z/ OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER SAGINAW BAY-INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI- 404 PM EST SAT NOV 12 2011 ...GALE WATCH NOW IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING... THE GALE WATCH IS NOW IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING. * WIND AND WAVES: DURING THE GALE WATCH...EXPECT SUSTAINED WINDS UP TO 31 KNOTS FROM THE SOUTHWEST WITH GUSTS UP TO 38 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 8 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 11 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 7 PM EST SUNDAY WITH THE LARGEST WAVES EXPECTED AROUND 8 PM EST SUNDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WATCH IS ISSUED WHEN THE RISK OF GALE FORCE WINDS OF 34 TO 47 KNOTS HAS SIGNIFICANTLY INCREASED...BUT THE SPECIFIC TIMING AND/OR LOCATION IS STILL UNCERTAIN. IT IS INTENDED TO PROVIDE ADDITIONAL LEAD TIME FOR MARINERS WHO MAY WISH TO CONSIDER ALTERING THEIR PLANS. && $$ LHZ361-130930- /O.EXT.KDTX.GL.A.0021.111114T0300Z-111114T0900Z/ LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT BEYOND 5 NM OFF SHORE- 404 PM EST SAT NOV 12 2011 ...GALE WATCH NOW IN EFFECT FROM SUNDAY EVENING THROUGH LATE SUNDAY NIGHT... THE GALE WATCH IS NOW IN EFFECT FROM SUNDAY EVENING THROUGH LATE SUNDAY NIGHT. * WIND AND WAVES: DURING THE GALE WATCH...EXPECT SUSTAINED WINDS UP TO 25 KNOTS FROM THE WEST WITH GUSTS UP TO 35 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 7 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 10 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 1 AM EST MONDAY WITH THE LARGEST WAVES EXPECTED AROUND 3 AM EST MONDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WATCH IS ISSUED WHEN THE RISK OF GALE FORCE WINDS OF 34 TO 47 KNOTS HAS SIGNIFICANTLY INCREASED...BUT THE SPECIFIC TIMING AND/OR LOCATION IS STILL UNCERTAIN. IT IS INTENDED TO PROVIDE ADDITIONAL LEAD TIME FOR MARINERS WHO MAY WISH TO CONSIDER ALTERING THEIR PLANS. && $$ LHZ462>464-130930- /O.EXT.KDTX.GL.A.0021.111113T2100Z-111114T0300Z/ LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE- LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE- LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE- 404 PM EST SAT NOV 12 2011 ...GALE WATCH NOW IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING... THE GALE WATCH IS NOW IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING. * WIND AND WAVES: DURING THE GALE WATCH...EXPECT SUSTAINED WINDS UP TO 30 KNOTS FROM THE SOUTHWEST WITH GUSTS UP TO 37 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 8 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 11 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 7 PM EST SUNDAY WITH THE LARGEST WAVES EXPECTED AROUND 7 PM EST SUNDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WATCH IS ISSUED WHEN THE RISK OF GALE FORCE WINDS OF 34 TO 47 KNOTS HAS SIGNIFICANTLY INCREASED...BUT THE SPECIFIC TIMING AND/OR LOCATION IS STILL UNCERTAIN. IT IS INTENDED TO PROVIDE ADDITIONAL LEAD TIME FOR MARINERS WHO MAY WISH TO CONSIDER ALTERING THEIR PLANS. && $$ LHZ362-363-130930- /O.EXT.KDTX.GL.A.0021.111113T2100Z-111114T0900Z/ 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- 404 PM EST SAT NOV 12 2011 ...GALE WATCH NOW IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY NIGHT... THE GALE WATCH IS NOW IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY NIGHT. * WIND AND WAVES: DURING THE GALE WATCH...EXPECT SUSTAINED WINDS UP TO 30 KNOTS FROM THE SOUTHWEST 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 7 PM EST SUNDAY WITH THE LARGEST WAVES EXPECTED AROUND 10 PM EST SUNDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WATCH IS ISSUED WHEN THE RISK OF GALE FORCE WINDS OF 34 TO 47 KNOTS HAS SIGNIFICANTLY INCREASED...BUT THE SPECIFIC TIMING AND/OR LOCATION IS STILL UNCERTAIN. IT IS INTENDED TO PROVIDE ADDITIONAL LEAD TIME FOR MARINERS WHO MAY WISH TO CONSIDER ALTERING THEIR PLANS. && $$ LHZ441>443-130930- /O.CON.KDTX.GL.A.0021.111113T2100Z-111114T0300Z/ PORT AUSTIN TO HARBOR BEACH MI-HARBOR BEACH TO PORT SANILAC MI- PORT SANILAC TO PORT HURON MI- 404 PM EST SAT NOV 12 2011 ...GALE WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING... A GALE WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING. * WIND AND WAVES: DURING THE GALE WATCH...EXPECT SUSTAINED WINDS UP TO 30 KNOTS FROM THE SOUTHWEST WITH GUSTS UP TO 38 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 7 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 10 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 7 PM EST SUNDAY WITH THE LARGEST WAVES EXPECTED AROUND 9 PM EST SUNDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WATCH IS ISSUED WHEN THE RISK OF GALE FORCE WINDS OF 34 TO 47 KNOTS HAS SIGNIFICANTLY INCREASED...BUT THE SPECIFIC TIMING AND/OR LOCATION IS STILL UNCERTAIN. IT IS INTENDED TO PROVIDE ADDITIONAL LEAD TIME FOR MARINERS WHO MAY WISH TO CONSIDER ALTERING THEIR PLANS. && $$
5 follow-up statements
622 WHUS73 KDTX 130902 MWWDTX URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 402 AM EST SUN NOV 13 2011 ...SOUTHERLY TO SOUTHWESTERLY GALES EXPECTED TODAY AND TONIGHT FOR PORTIONS OF LAKE HURON AND LAKE ERIE... .A SURFACE TROUGH OF LOW PRESSURE IS EXPECTED TO SWING THROUGH THE REGION THIS EVENING. THIS FEATURE WILL ENHANCE AN ALREADY TIGHT PRESSURE GRADIENT OVER THE CENTRAL GREAT LAKES REGION. THIS WILL LEAD TO BREEZY SOUTHERLY FLOW TODAY OVER AREA WATERWAYS BOTH IN ADVANCE AND IMMEDIATELY BEHIND A SURFACE COLD FRONT. THE WARM AIR INFILTRATING THE REGION IN COMBINATION WITH SURFACE WATER TEMPERATURES THAT ARE NOW A LITTLE COOLER WILL LEAD TO STABLE CONDITIONS IN MANY LOCATIONS. THIS LEADS TO A LOW CONFIDENCE MARINE FORECAST. HEADLINE DECISIONS FOR TODAY AND TONIGHT WERE LARGELY MADE ON THOSE ZONES THAT WILL SEE A LONGER FETCH...SUCH AS THE OPEN LAKE ZONES OF SOUTHERN LAKE HURON WHERE A GALE WARNING HAS BEEN ISSUED. A GALE WARNING HAS ALSO BEEN ISSUED FOR THE MICHIGAN WATERS OF LAKE ERIE. THAT DECISION WAS BASED ON OFFSHORE FLOW FROM OHIO SHOULD BE STRONGER DUE TO HIGHER MIXING HEIGHTS...SOLIDLY REACHING 35 KNOTS. FOR THE REMAINING MARINE ZONES NOT MENTIONED...SOUTHERLY WINDS OF 25-30 KNOTS CAN BE EXPECTED. WINDSPEEDS SHOULD GET CLOSE ACROSS SAGINAW BAY..BUT BEHAVIOR OF OBSERVATIONS THIS MORNING SUGGESTS A STABLE REGIME IS ALREADY IN PLACE. LHZ362-363-131015- /O.CAN.KDTX.GL.A.0021.111113T2100Z-111114T0900Z/ 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- 402 AM EST SUN NOV 13 2011 ...GALE WATCH IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS CANCELLED THE GALE WATCH. $$ LHZ361-131015- /O.CAN.KDTX.GL.A.0021.111114T0300Z-111114T0900Z/ LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT BEYOND 5 NM OFF SHORE- 402 AM EST SUN NOV 13 2011 ...GALE WATCH IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS CANCELLED THE GALE WATCH. $$ LEZ444-132115- /O.UPG.KDTX.SC.Y.0049.111113T1300Z-111114T0300Z/ /O.NEW.KDTX.GL.W.0056.111113T1500Z-111114T0300Z/ MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI- 402 AM EST SUN NOV 13 2011 ...GALE WARNING IN EFFECT FROM 10 AM THIS MORNING TO 10 PM EST THIS EVENING... THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A GALE WARNING...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 10 PM EST THIS EVENING. * WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS UP TO 27 KNOTS FROM THE SOUTHWEST WITH GUSTS UP TO 36 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 6 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 8 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 3 PM EST SUNDAY WITH THE LARGEST WAVES EXPECTED AROUND 4 PM EST SUNDAY. 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. && $$ LHZ462>464-132115- /O.UPG.KDTX.GL.A.0021.111113T2100Z-111114T0300Z/ /O.NEW.KDTX.GL.W.0056.111113T1500Z-111114T0900Z/ LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE- LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE- LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE- 402 AM EST SUN NOV 13 2011 ...GALE WARNING IN EFFECT FROM 10 AM THIS MORNING TO 4 AM EST MONDAY... THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A GALE WARNING...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 4 AM EST MONDAY. * WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS UP TO 29 KNOTS FROM THE SOUTH WITH GUSTS UP TO 35 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 8 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 11 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 8 PM EST SUNDAY WITH THE LARGEST WAVES EXPECTED AROUND 10 PM EST SUNDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. && $$ LHZ441>443-132115- /O.EXB.KDTX.SC.Y.0049.111113T0902Z-111114T0900Z/ /O.UPG.KDTX.GL.A.0021.111113T2100Z-111114T0300Z/ PORT AUSTIN TO HARBOR BEACH MI-HARBOR BEACH TO PORT SANILAC MI- PORT SANILAC TO PORT HURON MI- 402 AM EST SUN NOV 13 2011 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST MONDAY... THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A SMALL CRAFT ADVISORY...WHICH IS IN EFFECT UNTIL 4 AM EST MONDAY. * WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT SUSTAINED WINDS UP TO 29 KNOTS FROM THE SOUTHWEST WITH GUSTS UP TO 31 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 7 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 10 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 10 PM EST SUNDAY WITH THE LARGEST WAVES EXPECTED AROUND 11 PM EST SUNDAY. 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. && $$ LHZ421-422-132115- /O.EXB.KDTX.SC.Y.0049.111113T0902Z-111114T0900Z/ /O.UPG.KDTX.GL.A.0021.111113T1800Z-111114T0300Z/ OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER SAGINAW BAY-INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI- 402 AM EST SUN NOV 13 2011 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST MONDAY... THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A SMALL CRAFT ADVISORY...WHICH IS IN EFFECT UNTIL 4 AM EST MONDAY. * WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT SUSTAINED WINDS UP TO 29 KNOTS FROM THE SOUTHWEST WITH GUSTS UP TO 31 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 7 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 10 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 9 PM EST SUNDAY WITH THE LARGEST WAVES EXPECTED AROUND 11 PM EST SUNDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ LCZ460-132115- /O.EXT.KDTX.SC.Y.0049.111113T0902Z-111114T0900Z/ LAKE ST. CLAIR- 402 AM EST SUN NOV 13 2011 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 AM EST MONDAY... THE SMALL CRAFT ADVISORY IS NOW IN EFFECT UNTIL 4 AM EST MONDAY. * WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT SUSTAINED WINDS UP TO 26 KNOTS FROM THE SOUTHWEST WITH GUSTS UP TO 32 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 5 PM EST SUNDAY WITH THE LARGEST WAVES EXPECTED AROUND 6 PM EST SUNDAY. 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. && $$
798 WHUS73 KDTX 132044 MWWDTX URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 344 PM EST SUN NOV 13 2011 ...STRONG SOUTHWEST WINDS WILL CONTINUE THROUGH TONIGHT... .STRONG SOUTHWEST GRADIENT WILL REMAIN IN PLACE THROUGH THE EVENING HOURS AS A SURFACE TROUGH MOVES THROUGH THE AREA. THIS WILL CONTINUE TO BRING SUSTAINED WINDS OF AROUND 20 KNOTS DURING THIS TIME. GUST POTENTIAL WILL CONTINUE TO BE LIMITED TO SOME DEGREE BY SLIGHTLY STABLE OVERLAKE CONDITIONS AND RESTRICTED MIXING HEIGHTS. RECENT OBSERVATIONS ACROSS LAKE HURON INDICATE GUSTS PREDOMINATELY WITHIN THE 25 TO 30 KNOT RANGE. MARGINAL GALES WILL EXIST OVER PORTIONS OF SOUTHERN LAKE HURON AND THE MICHIGAN WATERS OF LAKE ERIE...WITH 35 KNOT GUSTS TENDING TO BE MORE ISOLATED FROM SAGINAW BAY INTO CENTRAL PORTIONS OF THE OPEN WATERS. SOUTHWEST WINDS WILL DIMINISH THROUGH THE LATTER HALF OF THE NIGHT AND INTO MONDAY AS THE GRADIENT SLACKENS. INCREASING SOUTHERLY FLOW IN ADVANCE OF THE NEXT COLD FRONT ON TUESDAY. COLDER AIR ARRIVING ON POST-FRONTAL WESTERLY WINDS WILL BRING THE POTENTIAL FOR GALES ACROSS NORTHERN LAKE HURON TUESDAY NIGHT AND WEDNESDAY. LEZ444-140300- /O.CON.KDTX.GL.W.0056.000000T0000Z-111114T0300Z/ MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI- 344 PM EST SUN NOV 13 2011 ...GALE WARNING REMAINS IN EFFECT UNTIL 10 PM EST THIS EVENING... A GALE WARNING REMAINS IN EFFECT UNTIL 10 PM EST THIS EVENING. * WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS UP TO 26 KNOTS FROM THE SOUTH WITH GUSTS UP TO 34 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 3 PM EST SUNDAY WITH THE LARGEST WAVES EXPECTED AROUND 4 PM EST SUNDAY. 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>464-140900- /O.CON.KDTX.GL.W.0056.000000T0000Z-111114T0900Z/ 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- 344 PM EST SUN NOV 13 2011 ...GALE WARNING REMAINS IN EFFECT UNTIL 4 AM EST MONDAY... A GALE WARNING REMAINS IN EFFECT UNTIL 4 AM EST MONDAY. * WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS UP TO 27 KNOTS FROM THE SOUTH WITH GUSTS UP TO 35 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 3 PM EST SUNDAY WITH THE LARGEST WAVES EXPECTED AROUND 3 PM EST SUNDAY. 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. && $$ LCZ460-140900- /O.CON.KDTX.SC.Y.0049.000000T0000Z-111114T0900Z/ LAKE ST. CLAIR- 344 PM EST SUN NOV 13 2011 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST MONDAY... A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST MONDAY. * WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT SUSTAINED WINDS UP TO 25 KNOTS FROM THE SOUTH WITH GUSTS UP TO 30 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 4 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 5 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 4 PM EST SUNDAY WITH THE LARGEST WAVES EXPECTED AROUND 4 PM EST SUNDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ LHZ421-422-441>443-140900- /O.CON.KDTX.SC.Y.0049.000000T0000Z-111114T0900Z/ 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- 344 PM EST SUN NOV 13 2011 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST MONDAY... A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST MONDAY. * WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT SUSTAINED WINDS UP TO 26 KNOTS FROM THE SOUTHWEST WITH GUSTS UP TO 31 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 6 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 8 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 11 PM EST SUNDAY WITH THE LARGEST WAVES EXPECTED AROUND 1 AM EST MONDAY. 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. && $$
659 WHUS73 KDTX 140257 MWWDTX URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 957 PM EST SUN NOV 13 2011 ...STRONG SOUTHWEST WINDS WILL SLOWLY DIMINISH OVERNIGHT... .STRONG SOUTHWEST GRADIENT WILL REMAIN IN PLACE THROUGH THE OVERNIGHT HOURS AS A SURFACE TROUGH MOVES THROUGH THE AREA. THIS WILL CONTINUE TO BRING SUSTAINED WINDS OF AROUND 20 KNOTS DURING THIS TIME. GUST POTENTIAL WILL CONTINUE TO BE LIMITED TO SOME DEGREE BY SLIGHTLY STABLE OVERLAKE CONDITIONS AND RESTRICTED MIXING HEIGHTS. RECENT OBSERVATIONS ACROSS LAKE HURON INDICATE GUSTS PREDOMINATELY WITHIN THE 25 TO 30 KNOT RANGE. MARGINAL GALES WILL EXIST OVER PORTIONS OF SOUTHERN LAKE HURON AND THE MICHIGAN WATERS OF LAKE ERIE...WITH 35 KNOT GUSTS TENDING TO BE MORE ISOLATED FROM SAGINAW BAY INTO CENTRAL PORTIONS OF THE OPEN WATERS. SOUTHWEST WINDS WILL DIMINISH THROUGH THE LATTER HALF OF THE NIGHT AND INTO MONDAY AS THE GRADIENT SLACKENS. INCREASING SOUTHERLY FLOW IN ADVANCE OF THE NEXT COLD FRONT ON TUESDAY. COLDER AIR ARRIVING ON POST-FRONTAL WESTERLY WINDS WILL BRING THE POTENTIAL FOR GALES ACROSS THE CENTRAL GREAT LAKES TUESDAY NIGHT AND WEDNESDAY. LEZ444-140400- /O.EXP.KDTX.GL.W.0056.000000T0000Z-111114T0300Z/ MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI- 957 PM EST SUN NOV 13 2011 ...GALE WARNING WILL EXPIRE AT 10 PM EST THIS EVENING... THE GALE WARNING WILL EXPIRE AT 10 PM EST THIS EVENING. * WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS UP TO 19 KNOTS FROM THE SOUTH WITH GUSTS UP TO 24 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 4 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 5 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 9 PM EST SUNDAY WITH THE LARGEST WAVES EXPECTED AROUND 9 PM EST SUNDAY. $$ LHZ462>464-140900- /O.CON.KDTX.GL.W.0056.000000T0000Z-111114T0900Z/ 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- 957 PM EST SUN NOV 13 2011 ...GALE WARNING REMAINS IN EFFECT UNTIL 4 AM EST MONDAY... A GALE WARNING REMAINS IN EFFECT UNTIL 4 AM EST MONDAY. * WIND AND WAVES: DURING THE GALE WARNING...EXPECT SUSTAINED WINDS UP TO 25 KNOTS FROM THE SOUTH WITH GUSTS UP TO 29 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 7 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 10 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 9 PM EST SUNDAY WITH THE LARGEST WAVES EXPECTED AROUND 9 PM EST SUNDAY. 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. && $$ LCZ460-140900- /O.CON.KDTX.SC.Y.0049.000000T0000Z-111114T0900Z/ LAKE ST. CLAIR- 957 PM EST SUN NOV 13 2011 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST MONDAY... A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST MONDAY. * WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT SUSTAINED WINDS UP TO 21 KNOTS FROM THE SOUTH WITH GUSTS UP TO 26 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 3 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 4 FEET. * TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 9 PM EST SUNDAY WITH THE LARGEST WAVES EXPECTED AROUND 11 PM EST SUNDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ LHZ421-422-441>443-140900- /O.CON.KDTX.SC.Y.0049.000000T0000Z-111114T0900Z/ 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- 957 PM EST SUN NOV 13 2011 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST MONDAY... A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST MONDAY. * WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT SUSTAINED WINDS UP TO 22 KNOTS FROM THE SOUTHWEST WITH GUSTS UP TO 27 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 11 PM EST SUNDAY WITH THE LARGEST WAVES EXPECTED AROUND 9 PM EST SUNDAY. 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. && $$ RK
078 WHUS73 KDTX 140455 MWWDTX URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 1155 PM EST SUN NOV 13 2011 ...SOUTHWEST WINDS WILL SLOWLY DIMINISH OVERNIGHT... .A COLD FRONT WILL EXIT THE AREA DURING THE EARLY MORNING WITH A DIMINISHING TREND IN THE WIND SPEED BEHIND THE FRONT. RECENT OBSERVATIONS ACROSS LAKE HURON INDICATE GUSTS PREDOMINATELY WITHIN THE 25 TO 30 KNOT RANGE. SOUTHWEST WINDS WILL DIMINISH THROUGH THE LATTER HALF OF THE NIGHT AND INTO MONDAY AS THE GRADIENT SLACKENS. LHZ462>464-140600- /O.CAN.KDTX.GL.W.0056.000000T0000Z-111114T0900Z/ LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE- LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE- LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE- 1155 PM EST SUN NOV 13 2011 ...GALE WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS CANCELLED THE GALE WARNING. SOUTHWEST WIND GUSTS HAVE FALLEN BELOW 35 KNOTS AND THIS WILL REMAIN THE CASE FOR THE REST OF THE NIGHT. $$ LEZ444-140900- /O.EXA.KDTX.SC.Y.0049.000000T0000Z-111114T0900Z/ MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI- 1155 PM EST SUN NOV 13 2011 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST MONDAY... THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A SMALL CRAFT ADVISORY...WHICH IS IN EFFECT UNTIL 4 AM EST MONDAY. * WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT SUSTAINED WINDS UP TO 19 KNOTS FROM THE SOUTHWEST WITH GUSTS UP TO 25 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 4 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 5 FEET. * TIMING: THE MAXIMUM WINDS AND WAVES ARE EXPECTED AROUND 1 AM EST MONDAY. 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. && $$ LCZ460-140900- /O.CON.KDTX.SC.Y.0049.000000T0000Z-111114T0900Z/ LAKE ST. CLAIR- 1155 PM EST SUN NOV 13 2011 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST MONDAY... A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST MONDAY. * WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT SUSTAINED WINDS UP TO 20 KNOTS FROM THE SOUTHWEST WITH GUSTS UP TO 30 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 3 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 5 FEET. * TIMING: THE MAXIMUM WINDS AND WAVES ARE EXPECTED AROUND 1 AM MONDAY. REFER TO THE LATEST MARINE FORECASTS FOR GREATER DETAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ LHZ421-422-441>443-140900- /O.CON.KDTX.SC.Y.0049.000000T0000Z-111114T0900Z/ 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- 1155 PM EST SUN NOV 13 2011 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST MONDAY... A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST MONDAY. * WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT SUSTAINED WINDS UP TO 22 KNOTS FROM THE SOUTHWEST WITH GUSTS UP TO 27 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 5 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 7 FEET NEAR THE TIP OF THE THUMB. * TIMING: THE MAXIMUM WINDS AND WAVES ARE EXPECTED AROUND 1 AM MONDAY. 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. && $$ BT
400 WHUS73 KDTX 140859 MWWDTX URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 359 AM EST MON NOV 14 2011 ...WINDS AND WAVES WILL CONTINUE TO DECREASE... .RECENT MARINE OBSERVATIONS INDICATE ENOUGH OF A DROP IN THE WINDS TO CANCEL ALL THE SMALL CRAFT ADVISORIES. OVERALL THE WINDS SHOULD CONTINUE TO DEGREASE THROUGHOUT THE DAY. A SFC LOW WILL LIFT INTO METRO DETROIT LATE THIS AFTERNOON...BUT THE GRADIENT NORTH OF THE LOW WILL REMAIN RATHER WEAK. A COLD FRONT IS FORECAST TO TRACK THROUGH THE REGION TUESDAY NIGHT...USHERING MUCH COLDER AIR. WINDS WILL INCREASE IN ADVANCE AND IN THE WAKE OF THIS FRONT. THE COLD AIR ADVECTION WILL LEAD TO UNSTABLE CONDITIONS OVER THE LAKES...LEADING TO THE POTENTIAL FOR GALES ON LAKE HURON TUESDAY NIGHT INTO WEDNESDAY. LCZ460-LEZ444-LHZ421-422-441>443-141000- /O.CAN.KDTX.SC.Y.0049.000000T0000Z-111114T0900Z/ LAKE ST. CLAIR- MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI- OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER SAGINAW BAY-INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI- PORT AUSTIN TO HARBOR BEACH MI-HARBOR BEACH TO PORT SANILAC MI- PORT SANILAC TO PORT HURON MI- 359 AM EST MON NOV 14 2011 ...SMALL CRAFT ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS CANCELLED THE SMALL CRAFT ADVISORY. $$
What forecasters said that day
The local office's own words before this small craft advisory 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 small craft advisory went out at Nov 12, 12:39 PM EST, 3 hours 25 minutes earlier.
Area forecast discussion, Nov 12, 12:39 PM EST, 3 hours 25 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1239 PM EST SAT NOV 12 2011
.AVIATION...
//DISCUSSION...
A DRY AND STABLE ENVIRONMENT WILL ENSURE VFR CONDITIONS PERSIST
THROUGH TONIGHT. CIRRUS WILL TEND TO THICKEN WITH CEILINGS
GRADUALLY LOWERING WITH TIME AS WARMER AIR ADVECTS INTO THE REGION
WITHIN A MODESTLY MIXED SOUTHWEST GRADIENT. SOUTHWEST WINDS WILL
CONTINUE WITHIN THE 10 TO 15 KNOT RANGE INTO SUNDAY MORNING. WINDS
WILL RESPOND TO DEEPER MIXING AND A TIGHTENING PRESSURE GRADIENT IN
ADVANCE OF AND WITH THE PASSAGE OF A COLD FRONT SUNDAY AFTERNOON.
THIS WILL RESULT IN SUSTAINED WINDS OF 20 KNOTS WITH GUSTS TO 35
KNOTS FOR THE LATTER HALF OF THE DAY.
//DTW THRESHOLD THREATS...
* LOW CONFIDENCE IN CEILINGS DROPPING TO AROUND OR JUST BELOW
5000 FT BETWEEN 10Z AND 15Z SUNDAY MORNING. MEDIUM CONFIDENCE
CEILINGS WILL FALL BELOW 5000 FT SUNDAY AFTERNOON.
* HIGH CONFIDENCE THAT WIND GUSTS WILL REACH 30 TO 35 KNOTS FROM A
200-210 DIRECTION SUNDAY AFTERNOON.
&&
.PREV DISCUSSION...ISSUED 327 AM EST SAT NOV 12 2011
SHORT TERM...TODAY
A DAMPED MID TO UPPER LEVEL RIDGE OVER THE GREAT PLAINS...AS OF THIS
WRITING...WILL REPOSITION INTO THE GREAT LAKES TODAY.
THUS...BACKGROUND GEOPOTENTIAL HEIGHT RISES WILL GOVERN THE WEATHER
WHICH IS SUPPORTED BY A HEALTHY AMOUNT OF AVA BETWEEN 18-00Z. WEAK
TO MODEST WARM AIR ADVECTION IS FORECASTED TO TAKE PLACE DUE TO AN
EMBOLDENED SOUTHWESTERLY GRADIENT FLOW. HOWEVER...MOISTURE WILL BE
SEVERELY LACKING (PWATS OF ONLY .35 INCH) OWING TO A STRONG
SUBSIDENCE INVERSION DOWN TO 1500 FT AGL. GIVEN POOR MIXING HEIGHTS
TODAY DID LOWER MAX TEMPS A COUPLE-FEW DEGREES (WAA SHOULD BE TOO
WEAK TO OFFSET THE LOW ADIABATIC COMPRESSION POTENTIAL)...MIDDLE 50S
MOST AREAS. OUTSIDE OF ANY POSSIBLE MORNING STRATUS DEVELOPMENT
LITTLE SKY FRACTION IS ANTICIPATED.
LONG TERM...TONIGHT THROUGH NEXT FRIDAY
THE 00Z MODEL SUITE APPEAR TO HAVE A REASONABLE INITIALIZATION OF
THE MID LEVEL WAVE NOW TRACKING ACROSS WASHINGTON STATE. THIS WAVE
IS FORECAST TO TRACK INTO SOUTHERN WISCONSIN SUNDAY AFTERNOON...THEN
ACROSS NORTHERN MICHIGAN BY SUNDAY EVENING. IT WILL REMAIN RATHER
COMPACT AS IT LIFTS ACROSS NORTHERN MICHIGAN...WITH THE STRONGEST
LARGE SCALE ASCENT NOW EXPECTED TO OCCUR NORTH OF THE FORECAST AREA.
SOUTHERLY LOW LEVEL WINDS WILL PERSIST TONIGHT THROUGH SUNDAY IN
ADVANCE OF THE ASSOCIATED COLD FRONT. THE 925MB WINDS ARE FORECAST
TO INCREASE TO 45 TO 50 KNOTS OVERNIGHT AND TO REMAIN RATHER STRONG
THROUGH THE DAY SUNDAY. ALTHOUGH IT WILL BE QUITE BREEZY...THE LOW
LEVEL WARM AIR ADVECTION WILL LIKELY MITIGATE THE DEGREE OF MIXING
ON SUNDAY...WHICH SHOULD KEEP WIND GUSTS IN CHECK /BELOW 40 MPH/.
THE ACTUAL SURFACE COLD FRONT IS FORECAST TO TRACK ACROSS SE MI
EARLY SUN EVENING. THE BETTER ISALLOBARIC COMPONENT...ISENTROPIC
DESCENT AND LOW LEVEL COLD AIR ADVECTION NOW LOOKS TO BE FOCUSED
NORTH OF THE AREA WHICH MAKES STRONG WIND GUSTS LESS OF A CONCERN.
HOWEVER...MODEL SOUNDINGS ACTUALLY SHOW SOME FAIRLY DECENT YET
SHALLOW INSTABILITY ALONG THE BOUNDARY. THIS RAISES SOME CONCERNS
THAT SOME ISOLATED STRONGER GUSTS WILL BE POSSIBLE IN CONVECTIVE
SHOWERS. A RIBBON OF HIGHER THETA E AIR IN THE 925 TO 850MB LAYER
WILL LIFT INTO SE MI LATE TONIGHT INTO SUNDAY IN ADVANCE OF THE COLD
FRONT. THIS WILL LEAD TO AN OVERALL INCREASING CLOUD COVER TREND.
MODEL SOUNDINGS INDICATE MOISTURE DEPTH REMAINING FAIRLY SHALLOW.
WITH THE STRONGER LARGE SCALE ASCENT LIFTING NORTH OF THE AREA...THE
BEST FORCING FOR PRECIP WILL OCCUR IN THE LOW LEVELS ALONG THE SFC
COLD FRONT. THIS WARRANTS PUSHING POPS BACK LATER IN THE DAY SUNDAY
AND KEEPING THEM IN THE CHANCE CATEGORY. THE SOUTHERLY WINDS WILL
KEEP TEMPS ON THE MILD SIDE TONIGHT /MID TO UPPER 40S/. DESPITE THE
CLOUD COVER ON SUNDAY...925MB TEMPS ARE FORECAST TO RISE TO +11C.
THIS DEGREE OF WARM AIR MAY ALLOW DAYTIME HIGHS TO BREAK 60.
A POLAR LOW IS FORECAST TO DROP INTO CENTRAL CANADA BY ALL THE 00Z
MODEL SOLUTIONS ON MONDAY. MEANWHILE...THE SUBTROPICAL RIDGE IS
FORECAST TO AMPLIFY ACROSS THE SERN US. THIS WILL INTENSIFY THE
UPPER JET ACROSS THE GREAT LAKES REGION AS THE HEIGHT GRADIENT
TIGHTENS. DEEP LAYER FRONTOGENESIS WILL OCCUR IN RESPONSE FROM THE
MID MISSISSIPPI VALLEY ALL THE WAY TO THE SOUTHERN GREAT LAKES. THIS
WILL BE COMBINED SUBSTANTIAL MOISTURE ADVECTION INTO THE OHIO
VALLEY/SRN GREAT LAKES IN ADVANCE OF THE DEEP UPPER WAVE LIFTING
INTO TEXAS. LIFT WILL LIKELY BE AIDED BY NUMEROUS WEAKER IMPULSES
EMBEDDED WITHIN THE LARGE SCALE SWRLY FLOW. THIS WILL SPELL A FAIRLY
WET DAY ON MONDAY AND WARRANTS INCREASING POPS.
THERE ARE MINOR DIFFERENCES AMONG THE LATEST MODEL SUITE WITH
RESPECT TO TIMING THE REMNANT SOUTHERN STREAM TROUGH LIFTING UP FROM
TEXAS AND THE PROGRESSION OF NORTHERN STREAM WAVE. THIS LEADS TO
UNCERTAINTY AS TO HOW FAR EAST SECONDARY SFC CYCLOGENESIS WILL OCCUR
ON TUESDAY. THE FASTER SOLUTIONS WOULD TAKE THE DEEPER MOISTURE EAST
OF THE AREA BY TUES MORNING...WHILE THE SLOWER SOLUTIONS WOULD
SUGGEST CONTINUED WET WEATHER INTO TUESDAY. GIVEN THE
UNCERTAINTY...WILL MAINTAIN JUST CHANCE TYPE POPS ON TUESDAY. THE
NORTHERN STREAM WAVE WILL FINALLY ADVANCE ACROSS THE NORTHERN LAKES
BY MIDWEEK...BRINGING MUCH COLDER AIR INTO SE MI BY WEDNESDAY. THIS
WINTER-LIKE AIRMASS WILL THEN LINGER OVER THE REGION THROUGH THE END
OF THE WORK WEEK.
MARINE...
DRY...WARM SOUTHWESTERLY FLOW WILL BE IN PLACE ACROSS THE CENTRAL
GREAT LAKES TODAY. THIS WILL ALLOW FOR RATHER STABLE CONDITIONS OVER
AREA WATERWAYS AND THUS...NO MARINE HEADLINES WILL BE NEEDED.
CONDITIONS WILL CHANGE ON SUNDAY...HOWEVER...AS A LOW PRESSURE
SYSTEM AND ATTENDANT COLD FRONT PASS NORTH OF LAKE SUPERIOR. THE
PRESSURE GRADIENT BOTH AHEAD OF THE SURFACE LOW AND TRAILING THE
SURFACE COLD FRONT WILL BE ON THE STRONG END OF THE SPECTRUM. A GALE
WATCH REMAINS IN EFFECT FOR NORTHERN LAKE HURON TO ACCOUNT FOR
SOUTHERLY FLOW ON SUNDAY PRECEDING THE LOW CENTER...AND ALSO IN THE
WESTERLY FLOW THAT WILL OCCUR BEHIND THE COLD FRONT. ATTM...THERE
REMAINS A GOOD AMOUNT OF UNCERTAINTY IN THE MODELS ACCOUNTING FOR
THIS WEATHER SYSTEM AND THE GALE WATCH WILL BE MAINTAINED.
&&
.DTX WATCHES/WARNINGS/ADVISORIES...
MI...NONE.
LAKE HURON...
GALE WATCH...LHZ361...FROM 4 PM SUNDAY TO 4 AM MONDAY.
GALE WATCH...NEARSHORE WATERS FROM PORT AUSTIN TO PORT HURON
INCLUDING SAGINAW BAY...FROM 4 PM SUNDAY TO 10 PM SUNDAY.
GALE WATCH...LHZ362-LHZ363-LHZ462-LHZ463-LHZ464...FROM 10 AM SUNDAY
TO 4 AM MONDAY.
LAKE ST CLAIR...NONE.
MI WATERS OF LAKE ERIE...NONE.
&&
AVIATION.....MR
SHORT TERM...CB
LONG TERM....SC
MARINE.......CB
YOU CAN OBTAIN YOUR LATEST NATIONAL WEATHER SERVICE FORECASTS
ONLINE AT WWW.WEATHER.GOV/DETROIT (ALL LOWER CASE).Hazardous weather outlook, Nov 12, 3:57 AM EST, 12 hours 7 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 357 AM EST SAT NOV 12 2011 MIZ047>049-053>055-060>063-068>070-075-076-082-083-130900- MIDLAND-BAY-HURON-SAGINAW-TUSCOLA-SANILAC-SHIAWASSEE-GENESEE-LAPEER- ST. CLAIR-LIVINGSTON-OAKLAND-MACOMB-WASHTENAW-WAYNE-LENAWEE-MONROE- 357 AM EST SAT NOV 12 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST MICHIGAN. .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT. LHZ361>363-421-422-441>443-462>464-130900- 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- 357 AM EST SAT NOV 12 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE HURON. .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY A GALE WATCH IS IN EFFECT SUNDAY AND SUNDAY NIGHT. PLEASE REFER TO THE LATEST MARINE FORECASTS FOR DETAILS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT. LCZ422-423-460-LEZ444-130900- ST. CLAIR RIVER-DETROIT RIVER-LAKE ST. CLAIR- MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI- 357 AM EST SAT NOV 12 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...SUNDAY THROUGH FRIDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT. 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 11, 10:05 PM EST | Gale Watch | DTX | 30 hr |
Nearby
Small Craft Advisories in Michigan, 2011Every small craft advisory 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.