Alert archive / Alabama / Small Craft Advisories in 2012

Small Craft Advisory 12, NWS Mobile, AL

February 17, 2012

NWS Mobile, AL issued this small craft advisory at Feb 17, 2012, 10:04 AM CST. It took effect at Feb 18, 2012, 12:00 PM CST. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Feb 17, 2012, 10:04 AM CST (16:04 UTC)
In effect from
Feb 18, 2012, 12:00 PM CST
Expired
Feb 19, 2012, 12:00 AM CST
In force
12 hr
Issued by
NWS Mobile, AL

The text

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

096 
WHUS74 KMOB 171604
MWWMOB

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
1004 AM CST FRI FEB 17 2012

....A SMALL CRAFT ADVISORY IS IN EFFECT FROM 9 AM TO 3 PM CST 
SATURDAY FOLLOWED BY A GALE WATCH FROM 3 PM CST SATURDAY THROUGH 12
NOON CST SUNDAY FOLLOWED BY A SMALL CRAFT ADVISORY FROM NOON SUNDAY
THROUGH 9 AM CST MONDAY MORNING FOR THE COASTAL WATERS OF ALABAMA AND
NORTHWEST FLORIDA OUT TO 60 NM INCLUDING ALL INLAND BAYS AND
SOUNDS...

.A DEEPENING AREA OF LOW PRESSURE WILL CONTINUE TO MOVE EASTWARD
OVER THE NORTHWEST GULF TODAY THEN TRACK EAST ACROSS THE LOWER
MISSISSIPPI RIVER VALLEY AND CENTRAL GULF STATES SATURDAY THROUGH 
SUNDAY. AHEAD OF THIS SYSTEM A STRONG SOUTHERLY WIND FLOW WILL
DEVELOP WITH FREQUENT GUSTS TO GALE FORCE FOLLOWED BY A STRONG WEST
TO NORTHWEST FLOW AT 30 TO 35 KNOTS WITH HIGHER GUSTS THROUGH MIDDAY
SUNDAY DECREASING TO 20 TO 25 KNOTS SUNDAY AFTERNOON THROUGH EARLY
MONDAY MORNING.

GMZ630-650-655-670-675-180200-
/O.NEW.KMOB.SC.Y.0012.120218T1500Z-120218T2100Z/
/O.NEW.KMOB.GL.A.0001.120218T2100Z-120219T1800Z/
/O.NEW.KMOB.SC.Y.0013.120219T1800Z-120220T1500Z/
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-
1004 AM CST FRI FEB 17 2012

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM TO 3 PM CST
SATURDAY...
...GALE WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY
MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON SUNDAY TO 9 AM CST
MONDAY...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A SMALL CRAFT
ADVISORY...WHICH IS IN EFFECT FROM 9 AM TO 3 PM CST SATURDAY. A
SMALL CRAFT ADVISORY HAS ALSO BEEN ISSUED FROM NOON SUNDAY TO
9 AM CST MONDAY. IN ADDITION...A GALE WATCH HAS BEEN ISSUED. THIS
GALE WATCH IS IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY
MORNING. 

* WINDS: SOUTHERLY WINDS INCREASING TO 20 TO 25 KNOTS LATE SATURDAY
  MORNING AND EARLY SATURDAY AFTERNOON...THEN INCREASING TO 20 TO 30
  KNOTS WITH FREQUENT GUSTS TO GALE FORCE SATURDAY AFTERNOON AND
  SATURDAY EVENING...BECOMING WEST TO NORTHWEST AT 30 TO 35 KNOTS
  WITH HIGHER GUSTS LATE SATURDAY NIGHT THROUGH SUNDAY
  MORNING...FOLLOWED BY NORTHERLY WINDS AT 20 TO 25 KNOTS SUNDAY
  AFTERNOON THROUGH EARLY MONDAY MORNING.

* SEAS: SEAS BUILDING TO 7 TO 9 FEET SATURDAY AFTERNOON AND EARLY
  SATURDAY EVENING...THEN BUILDING TO 9 TO 12 FEET SATURDAY NIGHT AND
  EARLY SUNDAY...THEN GRADUALLY SUBSIDING TO 5 TO 8 FEET THROUGH
  EARLY MONDAY MORNING. BAYS AND INLAND WATERWAYS BECOMING ROUGH TO
  VERY ROUGH LATE SATURDAY MORNING THROUGH EARLY MONDAY MORNING.

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.

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
735 
WHUS74 KMOB 180240
MWWMOB

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
840 PM CST FRI FEB 17 2012

...A SMALL CRAFT ADVISORY IS IN EFFECT FROM 9 AM TO 3 PM CST SATURDAY
FOLLOWED BY A GALE WATCH FROM 3 PM CST SATURDAY THROUGH 12 NOON CST
SUNDAY FOLLOWED BY A SMALL CRAFT ADVISORY FROM NOON SUNDAY THROUGH 9
AM CST MONDAY MORNING FOR THE COASTAL WATERS OF ALABAMA AND NORTHWEST
FLORIDA OUT TO 60 NM INCLUDING ALL INLAND BAYS AND SOUNDS...

.A DEEPENING AREA OF LOW PRESSURE WILL CONTINUE TO MOVE EASTWARD OVER
THE NORTHWEST GULF TODAY THEN TRACK EAST ACROSS THE LOWER MISSISSIPPI
RIVER VALLEY AND CENTRAL GULF STATES SATURDAY THROUGH SUNDAY. AHEAD OF
THIS SYSTEM A STRONG SOUTHERLY WIND FLOW WILL DEVELOP WITH FREQUENT
GUSTS TO GALE FORCE FOLLOWED BY A STRONG WEST TO NORTHWEST FLOW AT 30
TO 35 KNOTS WITH HIGHER GUSTS THROUGH MIDDAY SUNDAY DECREASING TO 20
TO 25 KNOTS SUNDAY AFTERNOON THROUGH EARLY MONDAY MORNING.

GMZ630-650-655-670-675-181045-
/O.CON.KMOB.SC.Y.0012.120218T1500Z-120218T2100Z/
/O.CON.KMOB.GL.A.0001.120218T2100Z-120219T1800Z/
/O.CON.KMOB.SC.Y.0013.120219T1800Z-120220T1500Z/
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-
840 PM CST FRI FEB 17 2012

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM TO 3 PM CST
SATURDAY...
...GALE WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SUNDAY MORNING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM NOON SUNDAY TO
9 AM CST MONDAY...

* WINDS: SOUTHERLY WINDS INCREASING TO 20 TO 25 KNOTS LATE 
  SATURDAY MORNING AND EARLY SATURDAY AFTERNOON...THEN 
  INCREASING TO 20 TO 30 KNOTS WITH FREQUENT GUSTS TO GALE FORCE 
  SATURDAY AFTERNOON AND SATURDAY EVENING...BECOMING WEST TO 
  NORTHWEST AT 30 TO 35 KNOTS WITH HIGHER GUSTS LATE SATURDAY 
  NIGHT THROUGH SUNDAY MORNING...FOLLOWED BY NORTHERLY WINDS AT 
  20 TO 25 KNOTS SUNDAY AFTERNOON THROUGH EARLY MONDAY MORNING. 

* SEAS: SEAS BUILDING TO 7 TO 9 FEET SATURDAY AFTERNOON AND 
  EARLY SATURDAY EVENING...THEN BUILDING TO 9 TO 12 FEET 
  SATURDAY NIGHT AND EARLY SUNDAY...THEN GRADUALLY SUBSIDING TO 
  5 TO 8 FEET THROUGH EARLY MONDAY MORNING. BAYS AND INLAND 
  WATERWAYS BECOMING ROUGH TO VERY ROUGH LATE SATURDAY MORNING 
  THROUGH EARLY MONDAY MORNING. 

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.

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.

&&

$$
440 
WHUS74 KMOB 181014
MWWMOB

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
414 AM CST SAT FEB 18 2012

...STRONG WINDS AND HIGH SEAS EXPECTED LATE THIS AFTERNOON THROUGH
SUNDAY...

.A DEEPENING AREA OF LOW PRESSURE WILL MOVE EASTWARD OVER THE
NORTHWEST GULF TODAY THEN TRACK NORTHEAST INTO THE INTERIOR SOUTHEAST
STATES ON SUNDAY. AHEAD OF THIS SYSTEM A STRONG SOUTHERLY WIND FLOW WILL
DEVELOP FOLLOWED BY A STRONG WEST TO NORTHWEST FLOW THAT WILL PERSIST
THROUGH SUNDAY...GRADUALLY DIMINISHING SUNDAY NIGHT. 

GMZ650-655-670-675-181800-
/O.EXT.KMOB.SC.Y.0012.120218T1800Z-120219T0600Z/
/O.EXT.KMOB.GL.A.0001.120219T0600Z-120219T1800Z/
/O.EXT.KMOB.SC.Y.0013.120219T1800Z-120220T1200Z/
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-
414 AM CST SAT FEB 18 2012

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM NOON TODAY TO MIDNIGHT
CST TONIGHT...
...GALE WATCH NOW IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY
MORNING...
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM NOON SUNDAY TO 6 AM
CST MONDAY...

THE SMALL CRAFT ADVISORY IS NOW IN EFFECT FROM NOON TODAY TO
MIDNIGHT CST TONIGHT. THE SMALL CRAFT ADVISORY IS NOW IN EFFECT
FROM NOON SUNDAY TO 6 AM CST MONDAY. THE GALE WATCH IS NOW IN
EFFECT FROM LATE TONIGHT THROUGH SUNDAY MORNING. 

* WINDS: SOUTH TO SOUTHEAST WINDS INCREASING TO 20 TO 25 KNOTS LATE
  THIS AFTERNOON...THEN INCREASING TO 20 TO 30 KNOTS WITH GUSTS TO
  GALE FORCE TONIGHT...BECOMING WEST TO NORTHWEST AT 25 TO 35 KNOTS
  EARLY SUNDAY MORNING...FOLLOWED BY NORTHERLY WINDS AT 20 TO 25
  KNOTS SUNDAY AFTERNOON THROUGH EARLY MONDAY MORNING.

* SEAS: SEAS BUILDING TO 4 TO 6 FEET THIS AFTERNOON...THEN BUILDING
  TO 8 TO 11 FEET EARLY SUNDAY. SEAS WILL GRADUALLY SUBSIDE LATE
  SUNDAY AFTERNOON THROUGH SUNDAY NIGHT. 

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.

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.

&&

$$

GMZ630-181800-
/O.EXT.KMOB.SC.Y.0012.120218T1800Z-120219T0600Z/
/O.EXT.KMOB.GL.A.0001.120219T0600Z-120219T1800Z/
/O.EXT.KMOB.SC.Y.0013.120219T1800Z-120220T0000Z/
MOBILE BAY-
414 AM CST SAT FEB 18 2012

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM NOON TODAY TO MIDNIGHT
CST TONIGHT...
...GALE WATCH NOW IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY
MORNING...
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM NOON TO 6 PM CST
SUNDAY...

THE SMALL CRAFT ADVISORY IS NOW IN EFFECT FROM NOON TODAY TO
MIDNIGHT CST TONIGHT. THE SMALL CRAFT ADVISORY IS NOW IN EFFECT
FROM NOON TO 6 PM CST SUNDAY. THE GALE WATCH IS NOW IN EFFECT
FROM LATE TONIGHT THROUGH SUNDAY MORNING. 

* WINDS: SOUTH TO SOUTHEAST WINDS INCREASING TO 20 TO 25 KNOTS LATE
  THIS AFTERNOON...THEN INCREASING TO 20 TO 30 KNOTS WITH GUSTS TO
  GALE FORCE TONIGHT...BECOMING WEST TO NORTHWEST AT 25 TO 35 KNOTS
  EARLY SUNDAY MORNING...FOLLOWED BY NORTHERLY WINDS AT 20 TO 25
  KNOTS THROUGH SUNDAY AFTERNOON.

* SEAS: BAY WATERS WILL BECOME ROUGH TO VERY ROUGH LATE THIS
  AFTERNOON THROUGH MUCH OF SUNDAY. 

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.

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.

&&

$$
525 
WHUS74 KMOB 181517
MWWMOB

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
917 AM CST SAT FEB 18 2012

...STRONG WINDS AND HIGH SEAS EXPECTED LATE THIS AFTERNOON
THROUGH SUNDAY...

.A DEEPENING AREA OF LOW PRESSURE WILL MOVE EASTWARD OVER THE
NORTHWEST GULF TODAY THEN TRACK NORTHEAST INTO THE INTERIOR
SOUTHEAST STATES ON SUNDAY. AHEAD OF THIS SYSTEM A STRONG
SOUTHERLY WIND FLOW WILL DEVELOP FOLLOWED BY A STRONG WEST TO
NORTHWEST FLOW THAT WILL PERSIST THROUGH SUNDAY...GRADUALLY
DIMINISHING SUNDAY NIGHT.

GMZ650-655-670-675-182330-
/O.CON.KMOB.SC.Y.0012.120218T1800Z-120219T0600Z/
/O.CON.KMOB.GL.A.0001.120219T0600Z-120219T1800Z/
/O.CON.KMOB.SC.Y.0013.120219T1800Z-120220T1200Z/
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-
917 AM CST SAT FEB 18 2012

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...
...GALE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY
MORNING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM NOON SUNDAY TO
6 AM CST MONDAY...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT. A SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM NOON
SUNDAY TO 6 AM CST MONDAY. A GALE WATCH REMAINS IN EFFECT FROM
LATE TONIGHT THROUGH SUNDAY MORNING. 

* WINDS: SOUTH TO SOUTHEAST WINDS INCREASING TO 20 TO 25 KNOTS 
  LATE THIS AFTERNOON...THEN INCREASING TO 20 TO 30 KNOTS WITH 
  GUSTS TO GALE FORCE TONIGHT...BECOMING WEST TO NORTHWEST AT 25 
  TO 35 KNOTS EARLY SUNDAY MORNING...FOLLOWED BY NORTHERLY WINDS 
  AT 20 TO 25 KNOTS SUNDAY AFTERNOON THROUGH EARLY MONDAY 
  MORNING. 

* SEAS: SEAS BUILDING TO 4 TO 6 FEET THIS AFTERNOON...THEN 
  BUILDING TO 8 TO 11 FEET EARLY SUNDAY. SEAS WILL GRADUALLY 
  SUBSIDE LATE SUNDAY AFTERNOON THROUGH SUNDAY NIGHT. 

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.

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.

&&

$$

GMZ630-182330-
/O.CON.KMOB.SC.Y.0012.120218T1800Z-120219T0600Z/
/O.CON.KMOB.GL.A.0001.120219T0600Z-120219T1800Z/
/O.CON.KMOB.SC.Y.0013.120219T1800Z-120220T0000Z/
MOBILE BAY-
917 AM CST SAT FEB 18 2012

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...
...GALE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY
MORNING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM NOON TO 6 PM CST
SUNDAY...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT. A SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM NOON TO
6 PM CST SUNDAY. A GALE WATCH REMAINS IN EFFECT FROM LATE TONIGHT
THROUGH SUNDAY MORNING. 

* WINDS: SOUTH TO SOUTHEAST WINDS INCREASING TO 20 TO 25 KNOTS 
  LATE THIS AFTERNOON...THEN INCREASING TO 20 TO 30 KNOTS WITH 
  GUSTS TO GALE FORCE TONIGHT...BECOMING WEST TO NORTHWEST AT 25 
  TO 35 KNOTS EARLY SUNDAY MORNING...FOLLOWED BY NORTHERLY WINDS 
  AT 20 TO 25 KNOTS THROUGH SUNDAY AFTERNOON. 

* SEAS: BAY WATERS WILL BECOME ROUGH TO VERY ROUGH LATE THIS 
  AFTERNOON THROUGH MUCH OF SUNDAY. 

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.

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.

&&

$$
849 
WHUS74 KMOB 182128
MWWMOB

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
328 PM CST SAT FEB 18 2012

...STRONG WINDS AND HIGH SEAS EXPECTED LATE THIS AFTERNOON
THROUGH SUNDAY...

.A DEEPENING AREA OF LOW PRESSURE WILL MOVE EASTWARD OVER THE
NORTHWEST GULF INTO THIS EVENING...THEN TRACK NORTHEAST INTO THE
INTERIOR SOUTHEAST STATES ON SUNDAY. AHEAD OF THIS SYSTEM A STRONG
SOUTHERLY WIND FLOW WILL DEVELOP FOLLOWED BY A STRONG WEST TO
NORTHWEST FLOW THAT WILL PERSIST THROUGH SUNDAY...GRADUALLY
DIMINISHING SUNDAY NIGHT.

GMZ650-655-670-675-190530-
/O.CON.KMOB.SC.Y.0012.000000T0000Z-120219T0600Z/
/O.UPG.KMOB.GL.A.0001.120219T0600Z-120219T1800Z/
/O.NEW.KMOB.GL.W.0003.120219T0600Z-120219T1800Z/
/O.CON.KMOB.SC.Y.0013.120219T1800Z-120220T1200Z/
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-
328 PM CST SAT FEB 18 2012

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...
...GALE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO NOON CST
SUNDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM NOON SUNDAY TO
6 AM CST MONDAY...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A GALE
WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO NOON CST
SUNDAY. THE GALE WATCH IS NO LONGER IN EFFECT. A SMALL CRAFT
ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT. A SMALL
CRAFT ADVISORY REMAINS IN EFFECT FROM NOON SUNDAY TO 6 AM CST
MONDAY. 

* WINDS: SOUTH TO SOUTHEAST WINDS INCREASING TO 20 TO 25 KNOTS 
  LATE THIS AFTERNOON...THEN INCREASING TO 20 TO 30 KNOTS WITH 
  GUSTS TO GALE FORCE TONIGHT...BECOMING WEST TO NORTHWEST AT 25 
  TO 35 KNOTS EARLY SUNDAY MORNING...FOLLOWED BY NORTHERLY WINDS 
  AT 20 TO 25 KNOTS SUNDAY AFTERNOON THROUGH EARLY MONDAY 
  MORNING. 

* SEAS: SEAS BUILDING TO 4 TO 6 FEET THIS AFTERNOON...THEN 
  BUILDING TO 8 TO 11 FEET EARLY SUNDAY. SEAS WILL GRADUALLY 
  SUBSIDE LATE SUNDAY AFTERNOON THROUGH SUNDAY NIGHT.

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.

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.

&&

$$

GMZ630-190530-
/O.CON.KMOB.SC.Y.0012.000000T0000Z-120219T0600Z/
/O.UPG.KMOB.GL.A.0001.120219T0600Z-120219T1800Z/
/O.NEW.KMOB.GL.W.0003.120219T0600Z-120219T1800Z/
/O.CON.KMOB.SC.Y.0013.120219T1800Z-120220T0000Z/
MOBILE BAY-
328 PM CST SAT FEB 18 2012

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...
...GALE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO NOON CST
SUNDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM NOON TO 6 PM CST
SUNDAY...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A GALE
WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO NOON CST
SUNDAY. THE GALE WATCH IS NO LONGER IN EFFECT. A SMALL CRAFT
ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT. A SMALL
CRAFT ADVISORY REMAINS IN EFFECT FROM NOON TO 6 PM CST SUNDAY. 

* WINDS: SOUTH TO SOUTHEAST WINDS INCREASING TO 20 TO 25 KNOTS 
  LATE THIS AFTERNOON...THEN INCREASING TO 20 TO 30 KNOTS WITH 
  GUSTS TO GALE FORCE TONIGHT...BECOMING WEST TO NORTHWEST AT 25 
  TO 35 KNOTS EARLY SUNDAY MORNING...FOLLOWED BY NORTHERLY WINDS 
  AT 20 TO 25 KNOTS THROUGH SUNDAY AFTERNOON. 

* SEAS: BAY WATERS WILL BECOME ROUGH TO VERY ROUGH LATE THIS 
  AFTERNOON THROUGH MUCH OF SUNDAY.

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.

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.

&&

$$
472 
WHUS74 KMOB 190540
MWWMOB

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
1140 PM CST SAT FEB 18 2012

...STRONG WINDS AND HIGH SEAS EXPECTED LATE THIS AFTERNOON THROUGH
SUNDAY...

.A LOW PRESSURE SYSTEM OVER SOUTHERN LOUISIANA WILL TRACK NORTHEAST
INTO CENTRAL ALABAMA BY EARLY SUNDAY MORNING WITH ITS ATTENDANT COLD
FRONT MOVING THROUGH THE MARINE WATERS SUNDAY MORNING. AHEAD OF THIS
SYSTEM A STRONG SOUTHERLY WIND FLOW WILL DEVELOP FOLLOWED BY A
STRONG WEST TO NORTHWEST FLOW THAT WILL PERSIST THROUGH
SUNDAY...GRADUALLY DIMINISHING SUNDAY NIGHT.

GMZ650-655-670-675-191345-
/O.EXP.KMOB.SC.Y.0012.000000T0000Z-120219T0600Z/
/O.CON.KMOB.GL.W.0003.120219T0600Z-120219T1800Z/
/O.CON.KMOB.SC.Y.0013.120219T1800Z-120220T1200Z/
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-
1140 PM CST SAT FEB 18 2012

...GALE WARNING REMAINS IN EFFECT UNTIL NOON CST SUNDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM NOON SUNDAY TO
6 AM CST MONDAY...
...SMALL CRAFT ADVISORY WILL EXPIRE AT MIDNIGHT CST TONIGHT...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A GALE
WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO NOON CST
SUNDAY. THE GALE WATCH IS NO LONGER IN EFFECT. A SMALL CRAFT
ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT. A SMALL
CRAFT ADVISORY REMAINS IN EFFECT FROM NOON SUNDAY TO 6 AM CST
MONDAY. 

* WINDS: SOUTH WINDS INCREASING TO 20 TO 30 KNOTS WITH GUSTS TO GALE
  FORCE TONIGHT...BECOMING WEST TO NORTHWEST AT 25 TO 35 KNOTS EARLY
  SUNDAY MORNING...FOLLOWED BY NORTHERLY WINDS AT 20 TO 25 KNOTS
  SUNDAY AFTERNOON THROUGH EARLY MONDAY MORNING.

* SEAS: SEAS BUILDING TO 4 TO 6 FEET BUILDING TO 8 TO 11 FEET EARLY
  SUNDAY. SEAS WILL GRADUALLY SUBSIDE LATE SUNDAY AFTERNOON THROUGH
  SUNDAY NIGHT.

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.

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.

&&

$$

GMZ630-191345-
/O.EXP.KMOB.SC.Y.0012.000000T0000Z-120219T0600Z/
/O.CON.KMOB.GL.W.0003.120219T0600Z-120219T1800Z/
/O.CON.KMOB.SC.Y.0013.120219T1800Z-120220T0000Z/
MOBILE BAY-
1140 PM CST SAT FEB 18 2012

...GALE WARNING REMAINS IN EFFECT UNTIL NOON CST SUNDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM NOON TO 6 PM CST
SUNDAY...
...SMALL CRAFT ADVISORY WILL EXPIRE AT MIDNIGHT CST TONIGHT...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A GALE
WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO NOON CST
SUNDAY. THE GALE WATCH IS NO LONGER IN EFFECT. A SMALL CRAFT
ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT. A SMALL
CRAFT ADVISORY REMAINS IN EFFECT FROM NOON TO 6 PM CST SUNDAY. 

* WINDS: SOUTH WINDS INCREASING TO 20 TO 30 KNOTS WITH GUSTS TO GALE
  FORCE TONIGHT...BECOMING WEST TO NORTHWEST AT 25 TO 35 KNOTS EARLY
  SUNDAY MORNING...FOLLOWED BY NORTHERLY WINDS AT 20 TO 25 KNOTS
  THROUGH SUNDAY AFTERNOON.

* SEAS: BAY WATERS WILL BE ROUGH TO VERY ROUGH THROUGH MUCH OF
  SUNDAY.

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.

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.

&&

$$

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 Mobile, AL wrote its last area forecast discussion before this small craft advisory went out at Feb 17, 4:52 AM CST, 5 hours 12 minutes earlier.

Area forecast discussion, Feb 17, 4:52 AM CST, 5 hours 12 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MOBILE AL
452 AM CST FRI FEB 17 2012

...HEAVY RAIN LIKELY SATURDAY WITH SEVERE WEATHER POSSIBLE...

.SHORT TERM (TODAY THROUGH SATURDAY NIGHT)...THE WEAK FRONT THAT
PUSHED THROUGH THE AREA YESTERDAY IS CURRENTLY STALLED AROUND 60-80
MILES OFFSHORE. THE FRONT WILL STAY OFFSHORE TODAY WITH WEAK
ISENTROPIC LIFT OCCURRING TO THE NORTH OF THE FRONT...BRINGING A
CHANCE OF LIGHT RAIN TO MAINLY COASTAL LOCATIONS TODAY.
OTHERWISE...IT WILL BE ANOTHER MOSTLY CLOUDY DAY WITH ABUNDANT MID
AND HIGH LEVEL CLOUDS...ALONG WITH SOME STRATUS IN THE AREA ALTHOUGH
IT WILL NOT BE AS LOW OR THICK AS WHAT WE HAVE SEEN THE PAST FEW
DAYS. HIGHS SHOULD BE ABLE TO CLIMB INTO THE UPPER 60S TO LOWER 70S.

A SURFACE LOW WILL BEGIN TO DEVELOP OVER THE EXTREME WESTERN GULF
TONIGHT IN RESPONSE TO THE SHORTWAVE OVER NW MEXICO GRADUALLY
EJECTING EASTWARD. THERE IS PRETTY GOOD MODEL CONSENSUS REGARDING THE
TRACK AND TIMING OF THE LOW...ALTHOUGH THE ECMWF SLOWED DOWN BY ABOUT
6 HOURS. THE GFS WAS RATHER CONSISTENT WITH EARLIER RUNS AND HAS THE
SUPPORT OF THE SREF MEAN...SO LEANED IN THAT DIRECTION FOR THE
FORECAST. THIS BRINGS THE SFC LOW INTO SE LA BY EARLY SATURDAY
EVENING...INTO W CTRL AL BY MIDNIGHT...AND INTO NW GA BY DAYBREAK
SUNDAY. AS THE SFC LOW GRADUALLY DEEPENS ALONG ITS NORTHEAST TREK...
THE STALLED FRONT OVER THE NORTHERN GULF WILL BEGIN TO RETREAT NORTH
LATE TONIGHT AND THROUGH THE DAY SATURDAY. JUST HOW FAR NORTH THE
WARM FRONT IS ABLE TO MAKE IT WILL DETERMINE THE EXTENT OF THE WARM
SECTOR AND THE RESULTANT SEVERE WEATHER THREAT. AT THIS POINT...WE
EXPECT RAIN TO QUICKLY DEVELOP ACROSS THE REGION AND TO THE NORTH OF
THE BOUNDARY PRIOR TO DAYBREAK SATURDAY...WITH THE COVERAGE AND
INTENSITY INCREASING MARKEDLY THROUGH THE DAY. FORCING IS VERY STRONG
WITH THE MAX UPPER LEVEL DIVERGENCE FORECAST TO DEVELOP OVER OUR
REGION ON SATURDAY...ALONG WITH STRONG LOW TO MID LEVEL FRONTOGENSIS
LOCATED OVER THE NORTHERN HALF OF THE CWA. THE DEGREE OF THIS FORCING
COMBINED WITH PRECIPITABLE WATERS CLIMBING TO 1.5-1.7 INCHES WILL
RESULT IN VERY HEAVY RAIN SETTING UP TO THE NORTH OF THE WARM FRONT.
THIS HEAVY RAIN WILL TEND TO REINFORCE THE BAROCLINIC ZONE
(SHARPENING THE WARM FRONT)...AND MAY DELAY ITS PROGRESS NORTH AS THE
RAIN COOLED STABLE LAYER TO THE NORTH OF THE BOUNDARY INCREASES IN
DEPTH. IT APPEARS THE LATEST GUIDANCE IS CATCHING ON TO THIS
POSSIBILITY...WITH THE GFS/ECMWF NOW SHOWING THE WARM FRONT BISECTING
THE CWA BY 00Z SUN...WITH THE BOUNDARY FINALLY MOVING FURTHER NORTH
SATURDAY EVENING AS THE LOW DEEPENS AND MOVES INTO AL. AS THE WARM
SECTOR BECOMES MORE FIRMLY ENTRENCHED OVER THE AREA SATURDAY
EVENING...WE SHOULD SEE THE DEVELOPMENT OF A SQUALL LINE AHEAD OF THE
COLD FRONT AS THE DEEP LAYER SHEAR BECOMES MORE UNIDIRECTIONAL. THIS
LINE SHOULD SWEEP THROUGH THE MOST OF THE AREA BY MIDNIGHT AS THE MID
LEVEL DRY SLOT WORKS IN FROM THE SOUTHWEST.

RAINFALL TOTALS OF 2 TO 3 INCHES IS EXPECTED ACROSS THE REGION...WITH
LOCALLY HIGHER TOTALS POSSIBLE...ESPECIALLY ALONG AND NORTH OF THE
HWY 84 CORRIDOR. CONSIDERING THESE AREAS RECEIVED 2-3 INCHES OF RAIN
WITH THE WED NIGHT SYSTEM...THIS ADDITIONAL HEAVY RAIN WILL RESULT IN
SOME URBAN AND SMALL STREAM FLOODING ISSUES...WITH LOCALIZED FLASH
FLOODING POSSIBLE. A FLOOD WATCH MAY BECOME NECESSARY.

WE DEFINITELY STILL HAVE A THREAT FOR SEVERE WEATHER CONSIDERING THE
TRACK OF THE SFC LOW...A WARM FRONT IN THE AREA...AND VERY STRONG
DEEP LAYER WIND FIELDS (0-1 KM SRH 350-500 M2/S2). THE MOST FAVORABLE
TIME FOR MORE DISCRETE SUPERCELLS AND AN ENHANCED TORNADO THREAT WILL
BE LATE SATURDAY AFTERNOON INTO THE EARLY EVENING AS WINDS IN THE LOW
LEVELS WILL BE SUFFICIENTLY VEERED (STRONGLY CURVED HODOGRAPHS). THE
BIG QUESTION WILL BE HOW MUCH INSTABILITY MAKES IT ONSHORE DURING
THIS TIME TO REALIZE THE STRONG LOW LEVEL SHEAR. MODEL GUIDANCE IS IN
FAIR AGREEMENT ON BRINGING SBCAPES OF 300-500 J/KG INTO THE COASTAL
COUNTIES DURING THIS TIME. IN FACT...THE SREF PROBABILITIES OF
SIGNIFICANT TORNADO PARAMETER VALUES OF 1 OR GREATER HAS INCREASED IN
EACH MODEL RUN ACROSS THE COASTAL ZONES FROM ABOUT 3PM-9PM. THIS
WILL BE THE TIME FRAME (BASED ON THE LATEST TIMING) THAT WE WILL HAVE
TO MONITOR FOR ROTATING STORMS COMING OFF THE GULF AND INTO THE
COASTAL COUNTIES. BY MID TO LATE EVENING...LINEAR FORCING WILL
INCREASE WITH DEEP LAYER SHEAR BECOMING MORE UNIDIRECTIONAL.
THEREFORE...EXPECT A SQUALL LINE TO DEVELOP AND SWEEP ACROSS THE
AREA. THE THREAT FOR DAMAGING WINDS AND EMBEDDED TORNADOES WILL
ENCOMPASS MUCH OF THE CWA AS THE WARM SECTOR SPREADS FURTHER NORTH.

ONE ADDITIONAL MINOR HAZARD WILL BE WINDY CONDITIONS DEVELOPING
SOUTH OF THE WARM FRONT SAT AFTN/EVE AND ACROSS THE ENTIRE AREA
OVERNIGHT AS THE COLD FRONT SWEEPS THROUGH. FREQUENT WIND GUSTS OF
25-35 MPH BECOMING MORE LIKELY AND A WIND ADVISORY MAY BECOME
NECESSARY. 34/JFB

&&

.LONG TERM (SUNDAY THROUGH THURSDAY)...SEVERE WEATHER THREAT ENDS
EARLY SUNDAY AS THE LOW MOVES NORTHEAST INTO GEORGIA AND THE
CAROLINAS. WILL BE DRY AS A HIGH BUILDS EASTWARD IN THE SOUTHEAST.
THE ADVECTIVE PROCESS WILL SHUT DOWN EARLY ON WITHIN 12 TO 15 HOURS
AFTER FRONTAL PASSAGE. NORTHWEST WIND WILL DECOUPLE SUNDAY OVERNIGHT
AND DECREASE AS IT VEERS FROM NORTHWEST TO NORTH TO EAST.

TUESDAY AND WEDNESDAY...INCREASING RAIN CHANCES BEGINNING TUESDAY
WITH ANOTHER APPROACHING FRONTAL SYSTEM. AHEAD OF THIS FEATURE...THE
DEWPOINTS AND TEMPERATURES WILL RISE GIVING A HINT THAT A WINDOW FOR
ADVECTION FOG COULD OPEN UP OVERNIGHT WEDNESDAY PROVIDED OTHER
CONDITIONS PHASE WITH IT. WIND WOULD HAVE TO STAY SOUTH TO SOUTHEAST
AND LIGHTEN UP WITH A PROLONGED TRAJECTORY FROM THE CENTRAL GULF. A
CLEAR SKY WOULD BE FAVORABLE TOO...BUT WE EXPECT SCATTERED SKY COVER
THAT NIGHT AT THE MOMENT. TOO MANY VARIABLES SUBJECT TO CHANGE TO BE
CONFIDENT OF FOG IN THE FORECAST...BUT IT IS A WINDOW WORTH
WATCHING...ALL THINGS CONSIDERED.

THURSDAY AND FRIDAY...AFORESAID FRONT EXPECTED TO BEGIN TO CROSS
LATE THURSDAY. 17.00 GFS AND ECMWF CONTINUE TO BE IN PHASE ON TRACKS
AND POSITIONS OF FEATURES UNTIL EARLY NEXT WEEK. BY MIDWEEK THEY ARE
STILL REASONABLY ALIGNED BUT BY LATE THURSDAY THE EURO PUSHES A FRONT
THROUGH WHILE THE GFS PARKS A WEAK RIDGE OVER THE COASTAL REGIONS.
WENT AHEAD AND APPLIED THE EURO FOR WIND DIRECTION BUT NOT QUITE AS
STRONG AS THEIR PHYSICAL MODEL HAS IT. THE GFS WAS A BIT MESSY ON
THE WIND DIRECTION BEING FROM EVERY WHICH WAY AND BESIDES ITS OWN
LONG WAVE (WAVENUMBER 5) OUTPUT SHOWS A TROUGH OVER THE PLAINS...AND
THE 500 MB PROG SHOWS A DEEP TROUGH TROUGH DUG IN FROM THE GREAT LAKES
TO THE TENNESSEE VALLEY AND INTO MISSISSIPPI. SO THE EURO IT IS...AT
LEAST UNTIL THEY CONVERGE ON SOMETHING AS THE DAYS ROLL BY. 77/BD

&&

.AVIATION (12Z ISSUANCE)...CIGS WILL LIKELY BOUNCE FROM MVFR/VFR THIS
MORNING ALONG THE COAST (EITHER SIDE OF 3000 FT) DUE TO WEAK LIFT
OVER A STALLED FRONT OVER THE NORTHERN GULF. PREDOMINATE VFR CIGS
EXPECTED THIS AFTERNOON AND WILL CONTINUE FOR MUCH OF THE
NIGHT...POTENTIALLY LOWERING BACK TO MVFR LEVELS BY 09-12Z AS
ADDITIONAL RAIN DEVELOPS OVER THE AREA. 34/JFB

&&

.MARINE...A LIGHT OFFSHORE FLOW WILL CONTINUE TODAY AS A FRONT
REMAINS STALLED 60-80 MILES OFFSHORE. A SURFACE LOW IS FORECAST TO
DEVELOP OVER THE WESTERN GULF TONIGHT AND TRACK INTO CENTRAL ALABAMA
BY LATE SATURDAY NIGHT. ONSHORE WINDS ARE FORECAST TO BECOME VERY
STRONG ACROSS THE COASTAL WATERS ON SATURDAY...INCREASING AS THE DAY
PROGRESSES. GIVEN THE STRENGTH OF THE LOW AND ITS CURRENT FORECAST
TRACK...OCCASIONAL GUSTS TO GALE FORCE ARE POSSIBLE. THIS WILL AID IN
SEAS BUILDING TO 8-11 FT BY SAT EVE. STRONG STORMS WILL BE POSSIBLE
OVER THE COASTAL WATERS SATURDAY AFTN/EVE. THE SFC LOW WILL QUICKLY
PULL OFF TO THE NORTHEAST LATE SATURDAY NIGHT WITH ITS ATTENDANT COLD
FRONT PUSHING THROUGH THE MARINE AREA. VERY STRONG WEST TO NORTHWEST
WINDS ARE EXPECTED IN THE WAKE OF THE FRONT (ALSO GUSTING TO GALE
FORCE AT TIMES). SEAS COULD BUILD AS HIGH AS 12 FT OVER THE NW FL
OFFSHORE WATERS. A SMALL CRAFT ADVISORY WILL LIKELY BECOME NECESSARY
FOR THE WEEKEND AND A GALE WATCH/WARNING MAY BE NEEDED SATURDAY
NIGHT. OFFSHORE WINDS WILL GRADUALLY DECREASE LATE SUNDAY INTO EARLY
MONDAY WITH SEAS SUBSIDING. HOWEVER...A DEVELOPING ONSHORE FLOW MONDAY
NIGHT/TUESDAY WILL BUILD SEAS ONCE AGAIN. 34/JFB

&&

.FIRE WEATHER...RAIN CHANCES INCREASE LATE FRIDAY THROUGH EARLY
SATURDAY EVENING AHEAD OF A DEVELOPING SURFACE LOW AND TRAILING COLD
FRONT APPROACHING FROM THE WEST. THE TRANSPORT WIND WILL BE QUITE
STIFF BUT LDSI WILL MAXIMIZE ONLY IN THE 30S WITH MIXING HEIGHT NOT
EXCEEDING 2300 FT SATURDAY. THE FRONT WILL MOVE ACROSS THE REGION BY
LATE SATURDAY BRINGING COOL AND DRY CONDITIONS SUNDAY THROUGH
MONDAY. AFTERNOON RELATIVE HUMIDITY WILL REMAIN ABOVE CRITERIA
THROUGH SUNDAY ALTHOUGH LDSI AROUND 70 IS POSSIBLE. RH FALLING BELOW
35 PERCENT FOR MOST PLACES NORTH OF INTERSTATE 10 ON MONDAY. 77/BD

&&

.PRELIMINARY POINT TEMPS/POPS...
MOBILE      71  55  68  51 /  30  50 100  70
PENSACOLA   70  58  68  55 /  30  40  80  80
DESTIN      67  59  67  59 /  30  40  80  80
EVERGREEN   70  51  67  53 /  10  30 100  90
WAYNESBORO  68  51  62  48 /  10  30 100  70
CAMDEN      69  50  62  52 /  10  20 100  90
CRESTVIEW   73  52  69  57 /  20  30  90  90

&&

.MOB WATCHES/WARNINGS/ADVISORIES...
AL...NONE.
FL...NONE.
MS...NONE.
GM...NONE.
&&
Hazardous weather outlook, Feb 17, 5:48 AM CST, 4 hours 16 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MOBILE AL
548 AM CST FRI FEB 17 2012

ALZ051>064-FLZ001>006-MSZ067-075-076-078-079-181200-
CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-
ESCAMBIA-COVINGTON-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE-
LOWER BALDWIN-INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-WAYNE-PERRY-
GREENE-STONE-GEORGE-
548 AM CST FRI FEB 17 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL
ALABAMA...SOUTHWEST ALABAMA...NORTHWEST FLORIDA AND SOUTHEAST
MISSISSIPPI.

.DAY ONE...TODAY AND TONIGHT

HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

A SURFACE LOW WILL DEVELOP OVER THE WESTERN GULF TONIGHT AND MOVE
INTO CENTRAL ALABAMA BY SATURDAY NIGHT WHILE CONTINUING TO
STRENGTHEN. THIS FORECAST TRACK OF THE LOW CONTINUES TO RESULT IN
A RISK OF SEVERE WEATHER ACROSS THE REGION. IF SUFFICIENT INSTABILITY
MATERIALIZES...THE THREAT FOR SUPERCELL THUNDERSTORMS MOVING OFF OF
THE GULF OF MEXICO AND INTO THE COASTAL COUNTIES OF ALABAMA AND
NORTHWEST FLORIDA WILL INCREASE MID TO LATE AFTERNOON SATURDAY AND
CONTINUE INTO SATURDAY EVENING. TORNADOES AND DAMAGING WINDS ARE
THREATS WITH ANY SUPERCELL THAT DEVELOPS. THE SEVERE THREAT WILL
SPREAD FURTHER INLAND MID TO LATE SATURDAY EVENING AS A SQUALL LINE
DEVELOPS AND SWEEPS ACROSS THE REGION. THE PRIMARY THREAT WITH THE
SQUALL LINE WILL BE DAMAGING WIND GUSTS...ALTHOUGH AN ISOLATED
TORNADO WILL ALSO BE POSSIBLE.

THIS STORM SYSTEM IS EXPECTED TO PRODUCE RAINFALL TOTALS OF 2 TO 3
INCHES ACROSS THE NORTH CENTRAL GULF COAST...WITH LOCALLY HIGHER
TOTALS POSSIBLE. GIVEN THE HEAVY RAIN EXPERIENCED WEDNESDAY NIGHT...
THIS ADDITIONAL HEAVY RAIN WILL INCREASE THE LIKELIHOOD OF LOCALIZED
FLOODING...ESPECIALLY IN URBAN AND LOW LYING AREAS. A FLOOD WATCH MAY
BECOME NECESSARY

.SPOTTER INFORMATION STATEMENT...

ACTIVATION OF SKYWARN SEVERE STORM SPOTTER NETWORKS MAY BECOME
NECESSARY ON SATURDAY.

GMZ630-650-655-670-675-181200-
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-
548 AM CST FRI FEB 17 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF THE COASTAL
WATERS OF ALABAMA AND NORTHWEST FLORIDA.

.DAY ONE...TODAY AND TONIGHT

HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

STRONG WINDS AND HIGH SEAS CAN BE EXPECTED OVER THE WEEKEND AS A LOW
PRESSURE SYSTEM ORGANIZES OVER THE WESTERN GULF AND TRACKS ACROSS THE
SOUTHEAST STATES. SMALL CRAFT ADVISORIES WILL LIKELY BE REQUIRED
SATURDAY AND SUNDAY. OCCASIONAL GUSTS TO GALE FORCE WILL BE POSSIBLE
SATURDAY AFTERNOON AND NIGHT. STRONG THUNDERSTORMS ARE ALSO EXPECTED
OVER THE MARINE AREA ON SATURDAY.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 17, 9:04 AM CSTRiver Flood WarningMOBEscambia3 days
Feb 17, 9:07 AM CSTRiver Flood WarningMOBChoctaw, Clarke, Washington11 hr
Feb 17, 10:04 AM CSTGale WatchMOB29 hr
Feb 17, 10:04 AM CSTSmall Craft AdvisoryMOB66 hr
Feb 17, 11:42 AM CSTFlood WatchMOBButler, Choctaw, Clarke, Conecuh, Covington, Crenshaw and 4 more34 hr

Nearby

Small Craft Advisories in Alabama, 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.