Alert archive / Alabama / Special Marine Warnings in 2021

Special Marine Warning 257, NWS Mobile, AL

August 20, 2021

NWS Mobile, AL issued this special marine warning at Aug 20, 2021, 12:38 PM CDT. It was in force for 82 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Aug 20, 2021, 12:38 PM CDT (17:38 UTC)
Expired: Aug 20, 2021, 2:00 PM CDT
In force: 82 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Hail: 0.0 in
Wind: 34.0 mph

What forecasters said that day

The local office's own words before this special marine warning 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 special marine warning went out at Aug 20, 6:54 AM CDT, 5 hours 44 minutes earlier.

Area forecast discussion, Aug 20, 6:54 AM CDT, 5 hours 44 minutes before

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In the hours before

Special weather statement, Aug 20, 12:37 PM CDT, 1 minute before

Special Weather Statement
National Weather Service Mobile AL
1237 PM CDT Fri Aug 20 2021

FLZ202-204-201815-
Santa Rosa Coastal FL-Escambia Coastal FL-
1237 PM CDT Fri Aug 20 2021

...A strong thunderstorm will impact portions of southwestern Santa
Rosa and south central Escambia Counties through 115 PM CDT...

At 1236 PM CDT, Doppler radar was tracking a strong thunderstorm over
Ferry Pass, moving east at 5 mph.

HAZARD...Winds in excess of 30 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Pensacola, Ferry Pass, Brent, West Pensacola, Ensley, Goulding,
Myrtle Grove and Floridatown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3041 8733 3061 8727 3061 8719 3056 8712
      3058 8704 3060 8705 3060 8704 3058 8698
      3059 8696 3049 8700 3052 8704 3044 8709
      3052 8710 3058 8718 3049 8715 3043 8717
      3039 8725
TIME...MOT...LOC 1736Z 279DEG 6KT 3050 8720

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...30 MPH

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 19, 7:38 PM CDT	Severe Thunderstorm Warning	MOB	Clarke, Washington	52 min
Aug 19, 7:46 PM CDT	Areal Flood Advisory	MOB	Choctaw, Clarke, Washington	3 hr
Aug 19, 8:19 PM CDT	Special Weather Statement	MOB	Clarke	56 min
Aug 19, 8:35 PM CDT	Flash Flood Warning	MOB	Choctaw, Clarke, Washington	3 hr
Aug 19, 8:52 PM CDT	Areal Flood Advisory	MOB	Clarke	3 hr
Aug 20, 12:42 PM CDT	Special Weather Statement	MOB	Baldwin	48 min
Aug 20, 2:39 PM CDT	Special Marine Warning	MOB		96 min
Aug 20, 2:40 PM CDT	Areal Flood Advisory	MOB	Escambia	3 hr
Aug 20, 3:08 PM CDT	Areal Flood Advisory	MOB	Baldwin, Escambia, Monroe	112 min
Aug 20, 3:21 PM CDT	Areal Flood Advisory	MOB	Conecuh, Escambia	114 min
Aug 20, 3:41 PM CDT	Areal Flood Advisory	MOB	Clarke, Washington	2 hr
Aug 20, 4:19 PM CDT	Severe Thunderstorm Warning	MOB	Mobile	41 min
Aug 20, 4:27 PM CDT	Areal Flood Advisory	MOB	Clarke, Monroe	2 hr
Aug 20, 5:23 PM CDT	Areal Flood Advisory	MOB	Mobile	4 hr
Aug 20, 6:02 PM CDT	Areal Flood Advisory	MOB	Mobile	3 hr
Aug 20, 6:12 PM CDT	Special Marine Warning	MOB		48 min
Aug 20, 6:47 PM CDT	Areal Flood Advisory	MOB	Baldwin	3 hr
Aug 20, 12:37 PM CDT	Special Weather Statement	MOB	Escambia	38 min
Aug 20, 1:04 PM CDT	Areal Flood Advisory	MOB	Escambia	3 hr
Aug 20, 1:51 PM CDT	Special Weather Statement	MOB	Okaloosa	39 min
Aug 20, 2:06 PM CDT	Tornado Warning	MOB	Okaloosa	21 min
Aug 20, 2:25 PM CDT	Severe Thunderstorm Warning	MOB	Okaloosa	36 min
Aug 19, 7:01 PM CDT	Special Weather Statement	MOB	Wayne	59 min
Aug 19, 7:50 PM CDT	Special Weather Statement	MOB	Wayne	40 min
Aug 20, 5:21 PM CDT	Special Weather Statement	MOB	George	39 min

Nearby

Special Marine Warnings in Alabama, 2021 Every special marine warning 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.