Alert archive / Alabama / Small Craft Advisories in 2021

Small Craft Advisory 21, NWS Mobile, AL

April 15, 2021

NWS Mobile, AL issued this small craft advisory at Apr 15, 2021, 3:42 AM CDT. It took effect at Apr 15, 2021, 10:00 AM CDT. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Apr 15, 2021, 3:42 AM CDT (08:42 UTC)
In effect from
Apr 15, 2021, 10:00 AM CDT
Expired
Apr 15, 2021, 3:05 PM CDT
In force
5 hr
Issued by
NWS Mobile, AL

The text

As transmitted.

051 
WHUS74 KMOB 150842
MWWMOB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Mobile AL
342 AM CDT Thu Apr 15 2021

GMZ650-670-151800-
/O.NEW.KMOB.SC.Y.0021.210415T1500Z-210415T2100Z/
Coastal waters from Pensacola FL to Pascagoula MS out 20 NM-
Waters from Pensacola FL to Pascagoula MS from 20 to 60 NM-
342 AM CDT Thu Apr 15 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 4 PM
CDT THIS AFTERNOON...

* WHAT...Southeast winds 15 to 20 kt with gusts up to 30 kt 
  expected.

* WHERE...Coastal waters from Pensacola FL to Pascagoula MS out 
  20 NM and Waters from Pensacola FL to Pascagoula MS from 20 to 
  60 NM.

* WHEN...From 10 AM this morning to 4 PM CDT this afternoon.

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

* ADDITIONAL DETAILS...Southeast winds should strengthen later
  this morning behind an area of thunderstorms in response to a
  developing wake low. Strong winds and resultant increased seas
  should persist through this afternoon resulting in hazardous
  boating conditions for small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

JLH
2 follow-up statements
499 
WHUS74 KMOB 151647
MWWMOB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Mobile AL
1147 AM CDT Thu Apr 15 2021

GMZ655-675-152100-
/O.EXA.KMOB.SC.Y.0021.000000T0000Z-210415T2100Z/
Coastal waters from Okaloosa Walton County Line FL to Pensacola
FL out 20 NM-
Waters from Okaloosa Walton County Line FL to Pensacola FL from
20 to 60 NM-
1147 AM CDT Thu Apr 15 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON...

* WHAT...Southeast winds 18 to 23 kt with gusts up to 30 kt.

* WHERE...Coastal waters from Okaloosa Walton County Line FL to 
  Pensacola FL out 20 NM and Waters from Okaloosa Walton County 
  Line FL to Pensacola FL from 20 to 60 NM.

* WHEN...From 10 AM this morning to 4 PM CDT this afternoon.

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

* ADDITIONAL DETAILS...A wake low developing on the back side of a
  complex of thunderstorms will bring strong sustained
  southeasterly winds and wind gusts and increased seas hazardous
  to small craft over the advisory area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

GMZ650-670-152100-
/O.CON.KMOB.SC.Y.0021.000000T0000Z-210415T2100Z/
Coastal waters from Pensacola FL to Pascagoula MS out 20 NM-
Waters from Pensacola FL to Pascagoula MS from 20 to 60 NM-
1147 AM CDT Thu Apr 15 2021

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

* WHAT...Southeast winds 18 to 23 kt with gusts up to 30 kt 
  expected.

* WHERE...Coastal waters from Pensacola FL to Pascagoula MS out 
  20 NM and Waters from Pensacola FL to Pascagoula MS from 20 to 
  60 NM.

* WHEN...From 10 AM this morning to 4 PM CDT this afternoon.

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

* ADDITIONAL DETAILS...A wake low developing on the back side of a
  complex of thunderstorms will bring strong sustained
  southeasterly winds and wind gusts and increased seas hazardous
  to small craft over the advisory area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
818 
WHUS74 KMOB 152005
MWWMOB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Mobile AL
305 PM CDT Thu Apr 15 2021

GMZ650-655-670-675-152115-
/O.CAN.KMOB.SC.Y.0021.000000T0000Z-210415T2100Z/
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-
305 PM CDT Thu Apr 15 2021

...SMALL CRAFT ADVISORY IS CANCELLED...

Winds have subsided as the wake low has shifted east of the 
marine zones. Thus, the Small Craft Advisory has been cancelled. 
Gusty winds of 20 to 25mph sustained 15 to 20mph continue over 
the 20nm to 60nm zones, and small craft should continue to 
exercise caution in these areas this evening.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 14, 7:13 PM CDTSpecial Marine WarningMOB62 min
Apr 14, 8:24 PM CDTSpecial Marine WarningMOB96 min
Apr 14, 10:00 PM CDTSpecial Marine WarningMOB97 min
Apr 15, 2:17 AM CDTSpecial Weather StatementMOBWashington43 min
Apr 15, 3:05 AM CDTSpecial Marine WarningMOB55 min
Apr 15, 3:23 AM CDTSpecial Weather StatementMOBMobile52 min
Apr 15, 3:48 AM CDTSevere Thunderstorm WarningMOBBaldwin, Mobile42 min
Apr 15, 4:00 AM CDTSpecial Marine WarningMOB45 min
Apr 15, 4:52 AM CDTAreal Flood AdvisoryMOBMobile113 min
Apr 15, 5:00 AM CDTSpecial Marine WarningMOB60 min
Apr 15, 5:13 AM CDTSpecial Weather StatementMOBWashington47 min
Apr 15, 5:19 AM CDTSpecial Weather StatementMOBMobile41 min
Apr 15, 5:23 AM CDTSpecial Marine WarningMOB97 min
Apr 15, 5:55 AM CDTSpecial Marine WarningMOB95 min
Apr 15, 6:31 AM CDTAreal Flood AdvisoryMOBBaldwin, Mobile119 min
Apr 15, 6:36 AM CDTAreal Flood AdvisoryMOBBaldwin, Mobile114 min
Apr 15, 7:01 AM CDTSpecial Marine WarningMOB119 min
Apr 15, 7:04 AM CDTSpecial Weather StatementMOBBaldwin41 min
Apr 15, 7:06 AM CDTSpecial Marine WarningMOB39 min
Apr 15, 7:36 AM CDTFlash Flood WarningMOBBaldwin, Mobile3 hr
Apr 15, 7:40 AM CDTSpecial Marine WarningMOB95 min
Apr 15, 7:45 AM CDTSevere Thunderstorm WarningMOBBaldwin45 min
Apr 15, 7:51 AM CDTSpecial Marine WarningMOB84 min
Apr 15, 7:52 AM CDTSpecial Weather StatementMOBMobile53 min
Apr 15, 8:05 AM CDTSpecial Weather StatementMOBMobile40 min
Apr 15, 8:11 AM CDTSpecial Marine WarningMOB2 hr
Apr 15, 8:52 AM CDTSpecial Marine WarningMOB83 min
Apr 15, 9:45 AM CDTAreal Flood WarningMOBMobile12 hr
Apr 15, 10:14 AM CDTSpecial Marine WarningMOB61 min
Apr 15, 10:48 AM CDTFlash Flood WatchMOBBaldwin, Mobile, Washington62 hr
Apr 15, 11:50 AM CDTAreal Flood WarningMOBBaldwin6 hr
Apr 15, 1:23 AM CDTSpecial Weather StatementMOBGeorge52 min
Apr 15, 3:10 AM CDTSpecial Weather StatementMOBGeorge50 min
Apr 15, 4:37 AM CDTSpecial Weather StatementMOBGreene38 min
Apr 15, 6:21 AM CDTSpecial Weather StatementMOBGreene, Perry24 min

Nearby

Small Craft Advisories in Alabama, 2021Every small craft advisory in 2021

Sources

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