Alert archive / Alabama / Small Craft Advisories in 2011

Small Craft Advisory 11, NWS Mobile, AL

February 24, 2011

NWS Mobile, AL issued this small craft advisory at Feb 24, 2011, 4:17 AM CST. It took effect at Feb 25, 2011, 12:00 AM CST. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Feb 24, 2011, 4:17 AM CST (10:17 UTC)
In effect from
Feb 25, 2011, 12:00 AM CST
Expired
Feb 25, 2011, 5:27 AM CST
In force
5 hr
Issued by
NWS Mobile, AL

The text

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

158 
WHUS74 KMOB 241017
MWWMOB

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
417 AM CST THU FEB 24 2011

...A DENSE FOG ADVISORY IS IN EFFECT UNTIL NOON TODAY FOR THE COASTAL
WATERS OF ALABAMA AND NORTHWEST FLORIDA OUT TO 20 NM INCLUDING ALL
INLAND BAYS AND SOUNDS...

...A SMALL CRAFT ADVISORY IS IN EFFECT FROM MIDNIGHT TONIGHT UNTIL
10 AM FRIDAY MORNING FOR THE COASTAL WATERS OF ALABAMA AND NORTHWEST
FLORIDA OUT TO 60 NM...

.SOUTHERLY WINDS AND SEAS WILL STEADILY BUILD TODAY AND TONIGHT IN
RESPONSE TO AN UPPER LEVEL DISTURBANCE TRACKING EASTWARD OVER THE
CENTRAL PART OF THE COUNTRY AND A TRAILING COLD FRONT APPROACHING
FROM THE NORTHWEST. AHEAD OF THE FRONT SHOWERS AND THUNDERSTORMS CAN
BE EXPECTED MOSTLY LATE TONIGHT AND EARLY FRIDAY. AREAS OF DENSE FOG
REDUCING VISIBILITIES TO LESS THAN ONE NAUTICAL MILE WILL ALSO BE
LIKELY THIS MORNING AND POSSIBLY TONIGHT.

GMZ630-650-655-241830-
/O.NEW.KMOB.MF.Y.0011.110224T1017Z-110224T1800Z/
/O.NEW.KMOB.SC.Y.0011.110225T0600Z-110225T1600Z/
MOBILE BAY-
COASTAL WATERS FROM PENSACOLA FL TO PASCAGOULA MS OUT 20 NM-
COASTAL WATERS FROM DESTIN TO PENSACOLA FL OUT 20 NM-
417 AM CST THU FEB 24 2011

...DENSE FOG ADVISORY IN EFFECT UNTIL NOON CST TODAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM
CST FRIDAY...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A DENSE FOG
ADVISORY...WHICH IS IN EFFECT UNTIL NOON CST TODAY. A SMALL CRAFT
ADVISORY HAS ALSO BEEN ISSUED. THIS SMALL CRAFT ADVISORY IS IN
EFFECT FROM MIDNIGHT TONIGHT TO 10 AM CST FRIDAY. 

SOUTHERLY WINDS AND SEAS WILL STEADILY BUILD TODAY AND TONIGHT IN
RESPONSE TO AN UPPER LEVEL DISTURBANCE TRACKING EASTWARD OVER THE
CENTRAL PART OF THE COUNTRY AND A TRAILING COLD FRONT APPROACHING
FROM THE NORTHWEST. AHEAD OF THE FRONT SHOWERS AND THUNDERSTORMS CAN
BE EXPECTED MOSTLY LATE TONIGHT AND EARLY FRIDAY. AREAS OF DENSE FOG
REDUCING VISIBILITIES TO LESS THAN ONE NAUTICAL MILE WILL ALSO BE
LIKELY THIS MORNING AND POSSIBLY TONIGHT.

* VISIBILITY: LESS THEN ONE NAUTICAL MILE THROUGH NOON TODAY OUT TO
  20 NAUTICAL MILES.   

* WINDS: INCREASING TO AROUND 20 KNOTS FROM MIDNIGHT TONIGHT THROUGH
  MID MORNING FRIDAY. 

* SEAS: SEAS BUILDING TO 5 TO 7 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE MILE. INEXPERIENCED
MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD
AVOID NAVIGATING IN THESE CONDITIONS. 

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 20 TO 33 KNOTS...
AND/OR SEAS 7 FEET OR HIGHER ARE
EXPECTED TO PRODUCE HAZARDOUS CONDITIONS FOR SMALL CRAFT.
INEXPERIENCED BOATERS...ESPECIALLY THOSE OPERATING
SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS. 

$$

GMZ670-675-241830-
/O.NEW.KMOB.SC.Y.0011.110225T0600Z-110225T1600Z/
WATERS FROM PENSACOLA FL TO PASCAGOULA MS FROM 20 TO 60 NM-
WATERS FROM DESTIN TO PENSACOLA FL FROM 20 TO 60 NM-
417 AM CST THU FEB 24 2011

...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM
CST FRIDAY...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A SMALL CRAFT
ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM CST
FRIDAY. 

SOUTHERLY WINDS AND SEAS WILL STEADILY BUILD TODAY AND TONIGHT IN
RESPONSE TO AN UPPER LEVEL DISTURBANCE TRACKING EASTWARD OVER THE
CENTRAL PART OF THE COUNTRY AND A TRAILING COLD FRONT APPROACHING
FROM THE NORTHWEST. AHEAD OF THE FRONT SHOWERS AND THUNDERSTORMS CAN
BE EXPECTED MOSTLY LATE TONIGHT AND EARLY FRIDAY. 

* WINDS: INCREASING TO AROUND 20 KNOTS FROM MIDNIGHT TONIGHT THROUGH
  MID MORNING FRIDAY. 

* SEAS: SEAS BUILDING TO 5 TO 7 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 20 TO 33 KNOTS...
AND/OR SEAS 7 FEET OR HIGHER ARE
EXPECTED TO PRODUCE HAZARDOUS CONDITIONS FOR SMALL CRAFT.
INEXPERIENCED BOATERS...ESPECIALLY THOSE OPERATING
SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$
2 follow-up statements
444 
WHUS74 KMOB 250100
MWWMOB

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
700 PM CST THU FEB 24 2011

...A SMALL CRAFT ADVISORY IS IN EFFECT FROM MIDNIGHT TONIGHT UNTIL
10 AM FRIDAY MORNING FOR THE COASTAL WATERS OF ALABAMA AND NORTHWEST
FLORIDA OUT TO 60 NM INCLUDING MOBILE BAY...

.SOUTHERLY WINDS AND SEAS WILL BECOME MODERATE TO STRONG TONIGHT AS A
COLD FRONT APPROACHES FROM THE WEST. THE COLD FRONT WILL MOVE THROUGH
THE MARINE AREA ON FRIDAY WITH WINDS BECOMING NORTHERLY AND
DECREASING. PATCHES OF FOG REDUCING VISIBILITIES TO LESS THAN ONE
NAUTICAL MILE WILL BE POSSIBLE NEAR SHORE AND OVER BAYS UNTIL THE
FRONT MOVES THROUGH.

GMZ650-655-250900-
/O.CAN.KMOB.MF.Y.0012.000000T0000Z-110225T0600Z/
/O.CAN.KMOB.SC.Y.0001.110225T0600Z-110225T1600Z/
/O.CON.KMOB.SC.Y.0011.110225T0600Z-110225T1600Z/
COASTAL WATERS FROM PENSACOLA FL TO PASCAGOULA MS OUT 20 NM-
COASTAL WATERS FROM DESTIN TO PENSACOLA FL OUT 20 NM-
700 PM CST THU FEB 24 2011

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO 10 AM CST FRIDAY...
...DENSE FOG ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS CANCELLED THE DENSE
FOG ADVISORY. A SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM
MIDNIGHT TONIGHT TO 10 AM CST FRIDAY. 

* WINDS: INCREASING TO NEAR 20 KNOTS FROM MIDNIGHT TONIGHT THROUGH
  EARLY FRIDAY MORNING THEN DECREASING TO 10 TO 15 KNOTS BY MIDDAY FRIDAY.

* SEAS: SEAS BUILDING TO 5 TO 6 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 20 TO 33 KNOTS...
AND/OR SEAS 7 FEET OR HIGHER ARE EXPECTED TO PRODUCE HAZARDOUS
CONDITIONS FOR SMALL CRAFT. INEXPERIENCED BOATERS...ESPECIALLY THOSE
OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE
CONDITIONS.

&&

$$

GMZ630-250900-
/O.CAN.KMOB.MF.Y.0012.000000T0000Z-110225T0600Z/
/O.CAN.KMOB.SC.Y.0001.110225T0600Z-110225T1600Z/
/O.CON.KMOB.SC.Y.0011.110225T0600Z-110225T1600Z/
MOBILE BAY-
700 PM CST THU FEB 24 2011

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO 10 AM CST FRIDAY...
...DENSE FOG ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS CANCELLED THE DENSE
FOG ADVISORY. A SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM
MIDNIGHT TONIGHT TO 10 AM CST FRIDAY. 

* WINDS: INCREASING TO 15 TO 20 KNOTS WITH FREQUENT GUSTS 20 TO 25
  KNOTS FROM MIDNIGHT TONIGHT THROUGH EARLY FRIDAY MORNING THEN
  DECREASING TO AROUND 10 KNOTS BY MIDDAY FRIDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 20 TO 33 KNOTS...
AND/OR SEAS 7 FEET OR HIGHER ARE EXPECTED TO PRODUCE HAZARDOUS
CONDITIONS FOR SMALL CRAFT. INEXPERIENCED BOATERS...ESPECIALLY THOSE
OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE
CONDITIONS.

&&

$$

GMZ670-675-250900-
/O.CAN.KMOB.SC.Y.0001.110225T0600Z-110225T1600Z/
/O.CON.KMOB.SC.Y.0011.110225T0600Z-110225T1600Z/
WATERS FROM PENSACOLA FL TO PASCAGOULA MS FROM 20 TO 60 NM-
WATERS FROM DESTIN TO PENSACOLA FL FROM 20 TO 60 NM-
700 PM CST THU FEB 24 2011

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO 10 AM CST FRIDAY...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
10 AM CST FRIDAY. 

* WINDS: INCREASING TO NEAR 20 KNOTS FROM MIDNIGHT TONIGHT THROUGH EARLY
  FRIDAY MORNING THEN DECREASING TO 10 TO 15 KNOTS BY MIDDAY FRIDAY.

* SEAS: SEAS BUILDING TO 5 TO 6 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 20 TO 33 KNOTS...
AND/OR SEAS 7 FEET OR HIGHER ARE EXPECTED TO PRODUCE HAZARDOUS
CONDITIONS FOR SMALL CRAFT. INEXPERIENCED BOATERS...ESPECIALLY
THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE
CONDITIONS.

&&

$$
675 
WHUS74 KMOB 251127
MWWMOB

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
527 AM CST FRI FEB 25 2011

...SMALL CRAFT ADVISORY HAS BEEN CANCELLED...

.THE AXIS OF A TROF OF LOW PRESSURE WILL BE MOVING EAST ACROSS THE
MARINE AREA THIS MORNING. A LIGHT TO MODERATE SOUTHWEST FLOW AHEAD OF
THIS FEATURE WILL BECOME LIGHT AND VARIABLE AS THE AXIS OF THE TROF
PUSHES THROUGH. 

GMZ630-650-655-670-675-251230-
/O.CAN.KMOB.SC.Y.0001.000000T0000Z-110225T1600Z/
/O.CAN.KMOB.SC.Y.0011.000000T0000Z-110225T1600Z/
MOBILE BAY-
COASTAL WATERS FROM PENSACOLA FL TO PASCAGOULA MS OUT 20 NM-
COASTAL WATERS FROM DESTIN TO PENSACOLA FL OUT 20 NM-
WATERS FROM PENSACOLA FL TO PASCAGOULA MS FROM 20 TO 60 NM-
WATERS FROM DESTIN TO PENSACOLA FL FROM 20 TO 60 NM-
527 AM CST FRI FEB 25 2011

...SMALL CRAFT ADVISORY IS CANCELLED...
...SMALL CRAFT ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS CANCELLED THE SMALL
CRAFT ADVISORY. THE SMALL CRAFT ADVISORY HAS BEEN CANCELLED. 

LATEST MARINE OBSERVATIONS FROM BUOYS AND OTHER DATA COLLECTION
PLATFORMS INDICATE WINDS ARE BELOW ADVISORY CRITERIA. SMALL CRAFT
SHOULD CONTINUE TO EXERCISE CAUTION THIS MORNING. 

$$

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 24, 3:34 AM CSTDense Fog AdvisoryMOBChoctaw, Clarke, Washington5 hr
Feb 24, 4:17 AM CSTMarine Dense Fog AdvisoryMOB8 hr

Nearby

Small Craft Advisories in Alabama, 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.