Alert archive / Alabama / Special Weather Statements in 2021

Special Weather Statement, NWS Mobile, AL

August 21, 2021Escambia County, Alabama

NWS Mobile, AL issued this special weather statement at Aug 21, 2021, 7:25 PM CDT for Escambia County, Alabama. It was in force for 50 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 21, 2021, 7:25 PM CDT (00:25 UTC)
Expired
Aug 21, 2021, 8:15 PM CDT
In force
50 min
Issued by
NWS Mobile, AL
Hail
0.00 in
Wind
40

County Escambia County, AL

The radar

The Mobile radar (KMOB), 115 km from the middle of the area, began a volume at 00:26 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 0.4 hours before the alert went out and 238 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Birmingham, AL at 00:00Z on 2021-08-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 525 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 00:00Z on 2021-08-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 162 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
525 J/kg
Mixed-layer CIN
-132 J/kg
Mixed-layer LCL
913 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
162 m²/s²
0-3 km storm-relative helicity
221 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

667 
WWUS84 KMOB 220025
SPSMOB

Special Weather Statement
National Weather Service Mobile AL
725 PM CDT Sat Aug 21 2021
 
ALZ056-059-FLZ203-220115-
Conecuh AL-Escambia AL-Santa Rosa Inland FL-
725 PM CDT Sat Aug 21 2021

...A strong thunderstorm will impact portions of central Escambia,
south central Conecuh and north central Santa Rosa Counties through
815 PM CDT...

At 725 PM CDT, Doppler radar was tracking a strong thunderstorm 6
miles southwest of Castleberry, or 10 miles north of Brewton, moving
southeast at 25 mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects.

Locations impacted include...
Brewton, East Brewton, Castleberry, Jay, Pollard and Riverview. 

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 3092 8717 3098 8719 3099 8717 3100 8718
      3100 8720 3127 8729 3139 8700 3109 8672
TIME...MOT...LOC 0025Z 331DEG 20KT 3125 8711 

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

$$

MM

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 22, 6:01 AM CDTRip Current StatementMOBBaldwin, Mobile12 hr
Aug 22, 5:09 PM CDTSpecial Weather StatementMOBWilcox36 min
Aug 22, 5:40 PM CDTAreal Flood AdvisoryMOBChoctaw, Clarke106 min
Aug 22, 6:01 PM CDTSpecial Weather StatementMOBClarke44 min
Aug 22, 6:39 PM CDTSpecial Weather StatementMOBCrenshaw36 min
Aug 21, 8:24 PM CDTAreal Flood AdvisoryMOBOkaloosa3 hr

Nearby

Special Weather Statements in Alabama, 2021Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.