Alert archive / Alabama / Small Craft Advisories in 2020

Small Craft Advisory 21, NWS Mobile, AL

April 10, 2020

NWS Mobile, AL issued this small craft advisory at Apr 10, 2020, 3:34 PM CDT. It took effect at Apr 11, 2020, 7:00 PM CDT. It was in force for 17 hr.

The area

The counties it named.

The facts

Issued
Apr 10, 2020, 3:34 PM CDT (20:34 UTC)
In effect from
Apr 11, 2020, 7:00 PM CDT
Expired
Apr 12, 2020, 12:00 PM CDT
In force
17 hr
Issued by
NWS Mobile, AL

The text

As transmitted.

560 
WHUS74 KMOB 102034
MWWMOB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Mobile AL
334 PM CDT Fri Apr 10 2020

GMZ630>636-650-655-670-675-110445-
/O.NEW.KMOB.SC.Y.0021.200412T0000Z-200413T1500Z/
Northern Mobile Bay-Southern Mobile Bay-Mississippi Sound-
Perdido Bay-Pensacola Bay System-Western Choctawhatchee Bay-
Eastern Choctawhatchee Bay-
Coastal waters from Pensacola FL to Pascagoula MS out 20 NM-
Coastal waters from Okaloosa Walton County Line FL to Pensacola
FL out 20 NM-
Waters from Pensacola FL to Pascagoula MS from 20 to 60 NM-
Waters from Okaloosa Walton County Line FL to Pensacola FL from
20 to 60 NM-
334 PM CDT Fri Apr 10 2020

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM SATURDAY TO 10 AM CDT
MONDAY...

* WHAT...South winds 20 to 30 kt with occasional gusts up to 40 kt
  and seas building to 8 to 13 ft expected. Waves building to 2 to
  4 feet over larger area bays.

* WHERE...Portions of the coastal waters of Alabama and 
  northwest Florida. 

* WHEN...From 7 PM Saturday to 10 AM CDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$
5 follow-up statements
601 
WHUS74 KMOB 110343
MWWMOB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Mobile AL
1043 PM CDT Fri Apr 10 2020

GMZ630>636-650-655-670-675-111200-
/O.CON.KMOB.SC.Y.0021.200412T0000Z-200413T1500Z/
Northern Mobile Bay-Southern Mobile Bay-Mississippi Sound-
Perdido Bay-Pensacola Bay System-Western Choctawhatchee Bay-
Eastern Choctawhatchee Bay-
Coastal waters from Pensacola FL to Pascagoula MS out 20 NM-
Coastal waters from Okaloosa Walton County Line FL to Pensacola
FL out 20 NM-
Waters from Pensacola FL to Pascagoula MS from 20 to 60 NM-
Waters from Okaloosa Walton County Line FL to Pensacola FL from
20 to 60 NM-
1043 PM CDT Fri Apr 10 2020

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM SATURDAY TO
10 AM CDT MONDAY...

* WHAT...South winds 20 to 30 kt with gusts up to 40 kt and seas 
  8 to 13 ft expected. Waves building to 2 to
  4 feet over larger area bays.

* WHERE...Portions of the coastal waters of Alabama and 
  northwest Florida. 

* WHEN...From 7 PM Saturday to 10 AM CDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$
706 
WHUS74 KMOB 111113
MWWMOB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Mobile AL
613 AM CDT Sat Apr 11 2020

GMZ630>636-650-655-670-675-111915-
/O.CON.KMOB.SC.Y.0021.200412T0000Z-200413T1500Z/
Northern Mobile Bay-Southern Mobile Bay-Mississippi Sound-
Perdido Bay-Pensacola Bay System-Western Choctawhatchee Bay-
Eastern Choctawhatchee Bay-
Coastal waters from Pensacola FL to Pascagoula MS out 20 NM-
Coastal waters from Okaloosa Walton County Line FL to Pensacola
FL out 20 NM-
Waters from Pensacola FL to Pascagoula MS from 20 to 60 NM-
Waters from Okaloosa Walton County Line FL to Pensacola FL from
20 to 60 NM-
613 AM CDT Sat Apr 11 2020

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 10 AM CDT MONDAY...

* WHAT...South winds 20 to 30 kt with gusts up to 40 kt and seas 8
  near shore and up to 13 ft well offshore. Waves building to 2 
  to 4 feet over larger area bays.

* WHERE...Portions of the coastal waters of Alabama and 
  northwest Florida.

* WHEN...From 7 PM Saturday to 10 AM CDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$
191 
WHUS74 KMOB 111555
MWWMOB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Mobile AL
1055 AM CDT Sat Apr 11 2020

GMZ630>636-650-655-670-675-120000-
/O.EXT.KMOB.SC.Y.0021.200412T0000Z-200412T1700Z/
/O.NEW.KMOB.GL.A.0002.200412T1700Z-200413T0500Z/
/O.NEW.KMOB.SC.Y.0022.200413T0500Z-200413T1500Z/
Northern Mobile Bay-Southern Mobile Bay-Mississippi Sound-
Perdido Bay-Pensacola Bay System-Western Choctawhatchee Bay-
Eastern Choctawhatchee Bay-
Coastal waters from Pensacola FL to Pascagoula MS out 20 NM-
Coastal waters from Okaloosa Walton County Line FL to Pensacola
FL out 20 NM-
Waters from Pensacola FL to Pascagoula MS from 20 to 60 NM-
Waters from Okaloosa Walton County Line FL to Pensacola FL from
20 to 60 NM-
1055 AM CDT Sat Apr 11 2020

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 7 PM THIS EVENING TO
NOON CDT SUNDAY...
...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY
EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT SUNDAY NIGHT TO
10 AM CDT MONDAY...

* WHAT...South to southwest winds increasing to 20 to 30 kt.
  Frequent gusts up to gale force possible Sunday afternoon into
  Sunday evening. Seas building to 8 to 13 ft. Waters in bays and
  sounds possibly up to 4 feet. 

* WHERE...Alabama and northwest Florida Gulf waters out to 60
  nautical miles including all bays and sounds. 
 
* WHEN...Tonight through Monday morning.

* IMPACTS...Strong winds can cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should consider altering plans to avoid possible
hazardous conditions.  Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and seas.

&&

$$
284 
WHUS74 KMOB 120016
MWWMOB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Mobile AL
716 PM CDT Sat Apr 11 2020

GMZ630>636-650-655-670-675-121000-
/O.CON.KMOB.SC.Y.0021.000000T0000Z-200412T1700Z/
/O.CON.KMOB.GL.A.0002.200412T1700Z-200413T0500Z/
/O.CON.KMOB.SC.Y.0022.200413T0500Z-200413T1500Z/
Northern Mobile Bay-Southern Mobile Bay-Mississippi Sound-
Perdido Bay-Pensacola Bay System-Western Choctawhatchee Bay-
Eastern Choctawhatchee Bay-
Coastal waters from Pensacola FL to Pascagoula MS out 20 NM-
Coastal waters from Okaloosa Walton County Line FL to Pensacola
FL out 20 NM-
Waters from Pensacola FL to Pascagoula MS from 20 to 60 NM-
Waters from Okaloosa Walton County Line FL to Pensacola FL from
20 to 60 NM-
716 PM CDT Sat Apr 11 2020

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON CDT SUNDAY...
...GALE WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH
SUNDAY EVENING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM MIDNIGHT SUNDAY
NIGHT TO 10 AM CDT MONDAY...

* WHAT...South to southwest winds increasing to 20 to 30 kt.
  Frequent gusts up to gale force possible Sunday afternoon into
  Sunday evening. Seas building to 8 to 13 ft. Waters in bays and
  sounds possibly up to 4 feet.

* WHERE...Alabama and northwest Florida Gulf waters out to 60
  nautical miles including all bays and sounds. 

* WHEN...Tonight through Monday morning.

* IMPACTS...Strong winds can cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should consider altering plans to avoid possible
hazardous conditions.  Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and seas.

&&

$$
581 
WHUS74 KMOB 121005
MWWMOB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Mobile AL
505 AM CDT Sun Apr 12 2020

GMZ630>636-650-655-670-675-121815-
/O.CON.KMOB.SC.Y.0021.000000T0000Z-200412T1700Z/
/O.UPG.KMOB.GL.A.0002.200412T1700Z-200413T0500Z/
/O.NEW.KMOB.GL.W.0003.200412T1700Z-200413T0500Z/
/O.CON.KMOB.SC.Y.0022.200413T0500Z-200413T1500Z/
Northern Mobile Bay-Southern Mobile Bay-Mississippi Sound-
Perdido Bay-Pensacola Bay System-Western Choctawhatchee Bay-
Eastern Choctawhatchee Bay-
Coastal waters from Pensacola FL to Pascagoula MS out 20 NM-
Coastal waters from Okaloosa Walton County Line FL to Pensacola
FL out 20 NM-
Waters from Pensacola FL to Pascagoula MS from 20 to 60 NM-
Waters from Okaloosa Walton County Line FL to Pensacola FL from
20 to 60 NM-
505 AM CDT Sun Apr 12 2020

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON CDT TODAY...
...GALE WARNING IN EFFECT FROM NOON TODAY TO MIDNIGHT CDT
TONIGHT...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO 10 AM CDT MONDAY...

* WHAT...For the Gale Warning, south winds 25 to 30 kt with gusts
  up to 40 kt and seas 10 to 14 ft expected by tonight. For the
  first Small Craft Advisory, south winds 20 to 25 kt with gusts
  up to 35 kt and seas building to 9 to 11 ft. For the second
  Small Craft Advisory, southwest winds 20 to 30 kt with gusts up
  to 35 kt and seas 10 to 14 ft expected.

* WHERE...Alabama and northwest Florida Gulf waters out to 60
  nautical miles including all bays and sounds. 

* WHEN...For the Gale Warning, from noon today to midnight CDT
  tonight. For the first Small Craft Advisory, until noon CDT
  today. For the second Small Craft Advisory, from midnight 
  tonight to 10 AM CDT Monday.

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 10, 12:08 AM CDTSpecial Weather StatementMOBMobile67 min
Apr 10, 12:36 AM CDTSpecial Marine WarningMOB54 min
Apr 10, 12:40 AM CDTSevere Thunderstorm WarningMOBMobile35 min
Apr 10, 12:52 AM CDTSpecial Weather StatementMOBBaldwin23 min
Apr 10, 1:03 AM CDTSevere Thunderstorm WarningMOBBaldwin27 min
Apr 10, 1:24 AM CDTSpecial Marine WarningMOB66 min
Apr 10, 2:01 AM CDTSpecial Marine WarningMOB59 min
Apr 10, 3:35 PM CDTRip Current StatementMOBBaldwin, Mobile5 days
Apr 10, 1:30 AM CDTSpecial Weather StatementMOBEscambia30 min
Apr 9, 10:54 PM CDTSpecial Weather StatementMOBStone51 min

Nearby

Small Craft Advisories in Alabama, 2020Every small craft advisory in 2020

Sources

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