Alert archive / Michigan / Small Craft Advisories in 2012

Small Craft Advisory 21, NWS Detroit, MI

March 4, 2012

NWS Detroit, MI issued this small craft advisory at Mar 4, 2012, 9:40 PM EST. It took effect at Mar 5, 2012, 12:00 AM EST. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued
Mar 4, 2012, 9:40 PM EST (02:40 UTC)
In effect from
Mar 5, 2012, 12:00 AM EST
Expired
Mar 5, 2012, 2:52 PM EST
In force
15 hr
Issued by
NWS Detroit, MI

The text

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

970 
WHUS73 KDTX 050240
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
940 PM EST SUN MAR 4 2012

...WAVES TO BUILD OVER SOUTHERN LAKE HURON INTO MONDAY...

.PERSISTENT NORTHERLY FLOW WILL ALLOW WAVES TO REBUILD OVER
SOUTHERN LAKE HURON LATE TONIGHT INTO MONDAY. WAVES WILL THEN
SUBSIDE AGAIN AS WINDS BACK TO THE SOUTHWEST LATE MONDAY INTO
MONDAY NIGHT.

LHZ421-441-442-051445-
/O.NEW.KDTX.SC.Y.0021.120305T0500Z-120305T2100Z/
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-
940 PM EST SUN MAR 4 2012

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST MONDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
SMALL CRAFT ADVISORY...WHICH IS IN EFFECT UNTIL 4 PM EST MONDAY. 

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT 
  SUSTAINED WINDS UP TO 15 KNOTS FROM THE NORTH WITH GUSTS UP 
  TO 18 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 AM EST MONDAY 
  WITH THE LARGEST WAVES EXPECTED AROUND 7 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.

&&

$$

DG
2 follow-up statements
781 
WHUS73 KDTX 050910
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
410 AM EST MON MAR 5 2012

...ROUGH WATER LINGERING OVER SOUTHERN LAKE HURON TODAY...

.HIGH PRESSURE BUILDING INTO THE GREAT LAKES WILL SUPPORT NORTHERLY 
WINDS STRONG ENOUGH TO BUILD WAVES OVER 4 FEET ON THE SOUTH HALF OF 
LAKE HURON THROUGH EARLY AFTERNOON. SMALL CRAFT ADVISORIES REMAIN IN 
EFFECT TODAY FOR OUTER SAGINAW BAY SOUTHWARD. HIGH PRESSURE WILL 
THEN PROVIDE A BRIEF WINDOW OF LIGHT WINDS TONIGHT BEFORE COMING UP 
FROM THE SOUTH TOWARD SUNRISE TUESDAY MORNING AND THEN INCREASING 
FURTHER TUESDAY NIGHT INTO WEDNESDAY. THIS WILL BRING WARM AIR INTO 
THE REGION AND ESTABLISH STABLE CONDITIONS OVER THE WATER. THE 
STRONG STABILITY IS EXPECTED TO LIMIT PEAK WIND GUSTS TO 30 KNOTS 
THROUGH THE PERIOD BEFORE A COLD FRONT MOVES THROUGH THE REGION 
THURSDAY MORNING.

LHZ421-441-442-052100-
/O.CON.KDTX.SC.Y.0021.000000T0000Z-120305T2100Z/
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-
410 AM EST MON MAR 5 2012

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON. 

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 15 KNOTS FROM THE NORTHWEST WITH GUSTS UP
  TO 20 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 5
  FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 7 FEET.

* TIMING: THE MAXIMUM WINDS AND WAVES ARE EXPECTED AROUND 9 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
473 
WHUS73 KDTX 051952
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
252 PM EST MON MAR 5 2012

...LIGHT WINDS THIS EVENING...

.A RIDGE OF HIGH PRESSURE WILL SLIDE THROUGH THE CENTRAL GREAT LAKES 
TONIGHT...WITH SOUTHERLY WINDS RAMPING UP TOMORROW. THIS WILL BRING 
WARM AIR INTO THE REGION AND ESTABLISH STABLE CONDITIONS OVER THE 
WATER. THE STRONG STABILITY IS EXPECTED TO LIMIT PEAK WIND GUSTS TO 
30 KNOTS THROUGH THE PERIOD BEFORE A COLD FRONT MOVES THROUGH THE 
REGION THURSDAY MORNING.

LHZ421-441-442-052100-
/O.CAN.KDTX.SC.Y.0021.000000T0000Z-120305T2100Z/
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-
252 PM EST MON MAR 5 2012

...SMALL CRAFT ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS CANCELLED THE
SMALL CRAFT ADVISORY. 

$$

Nearby

Small Craft Advisories in Michigan, 2012Every small craft advisory in 2012

Sources

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