Alert archive / Alabama / Special Weather Statements in 2021

Special Weather Statement, NWS Mobile, AL

March 28, 2021Conecuh County, Monroe County, Alabama

NWS Mobile, AL issued this special weather statement at Mar 28, 2021, 11:52 AM CDT for Conecuh County, Monroe County, Alabama. It was in force for 38 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
Mar 28, 2021, 11:52 AM CDT (16:52 UTC)
Expired
Mar 28, 2021, 12:30 PM CDT
In force
38 min
Issued by
NWS Mobile, AL

Counties Conecuh County, AL, Monroe County, AL

The radar

The Ft Rucker radar (KEOX), 141 km from the middle of the area, began a volume at 16:55 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 12:00Z, 4.9 hours before the alert went out and 186 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 12:00Z on 2021-03-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 757 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 12:00Z on 2021-03-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 326 square meters per square second.1939587897117Sfc1 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
757 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
650 m above ground
0-6 km bulk shear
74 kt
0-1 km storm-relative helicity
326 m²/s²
0-3 km storm-relative helicity
355 m²/s²
Significant tornado parameter
1.6
Supercell composite
9.1

Open this sounding in Storm Lab

The text

As transmitted.

324 
WWUS84 KMOB 281652
SPSMOB

Special Weather Statement
National Weather Service Mobile AL
1152 AM CDT Sun Mar 28 2021
 
ALZ055>057-281730-
Monroe AL-Conecuh AL-Butler AL-
1152 AM CDT Sun Mar 28 2021

...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...
SOUTHWESTERN BUTLER...CENTRAL MONROE AND CONECUH COUNTIES UNTIL 1230
PM CDT...

At 1152 AM CDT, the strong thunderstorm was located over Peterman, or
5 miles east of Monroeville, moving east at 45 mph.

Half inch hail and wind gusts of 45 to 55 mph will be possible with
this storm.

Locations impacted include...
Monroeville, Evergreen, Frisco City, Peterman, Georgiana, McKenzie,
Excel, Beatrice, Repton and I65 And US 84.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3136 8669 3137 8761 3156 8739 3174 8738
      3174 8670 3152 8669 3152 8670 3146 8670
TIME...MOT...LOC 1652Z 271DEG 39KT 3156 8723 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 28, 9:55 AM CDTSpecial Weather StatementMOBWashington50 min
Mar 28, 10:47 AM CDTSpecial Weather StatementMOBClarke, Monroe43 min
Mar 28, 12:30 PM CDTSpecial Weather StatementMOBConecuh, Crenshaw, Escambia45 min
Mar 28, 1:14 PM CDTSpecial Weather StatementMOBCovington61 min
Mar 28, 2:23 PM CDTSpecial Marine WarningMOB42 min
Mar 28, 2:08 PM CDTSpecial Weather StatementMOBSanta Rosa37 min
Mar 28, 2:57 PM CDTSpecial Weather StatementMOBOkaloosa48 min
Mar 28, 9:22 AM CDTSpecial Weather StatementMOBWayne38 min

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.