Alert archive / Alabama / Special Weather Statements in 2021

Special Weather Statement, NWS Mobile, AL

March 25, 2021Conecuh County, Alabama

NWS Mobile, AL issued this special weather statement at Mar 25, 2021, 1:18 AM CDT for Conecuh County, Alabama. It was in force for 57 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 25, 2021, 1:18 AM CDT (06:18 UTC)
Expired
Mar 25, 2021, 2:15 AM CDT
In force
57 min
Issued by
NWS Mobile, AL

County Conecuh County, AL

The radar

The Eglin Afb radar (KEVX), 137 km from the middle of the area, began a volume at 06:21 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, 6.3 hours before the alert went out and 192 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 2021-03-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 24 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 2021-03-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 7 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
24 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
1447 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
7 m²/s²
0-3 km storm-relative helicity
65 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

690 
WWUS84 KMOB 250618
SPSMOB

Special Weather Statement
National Weather Service Mobile AL
118 AM CDT Thu Mar 25 2021
 
ALZ056-057-060-250715-
Conecuh AL-Butler AL-Covington AL-
118 AM CDT Thu Mar 25 2021

...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...
SOUTHWESTERN BUTLER...NORTHEASTERN CONECUH AND NORTHWESTERN COVINGTON
COUNTIES UNTIL 215 AM CDT...

At 117 AM CDT, the strong thunderstorm was located over I65 And US
84, or 4 miles west of Evergreen, moving northeast at 45 mph.

Half inch hail and wind gusts of 40 to 50 mph will be possible with
this storm.

This strong thunderstorm will be near...
  McKenzie around 145 AM CDT.
  Georgiana around 150 AM CDT.

LAT...LON 3133 8704 3144 8714 3173 8679 3144 8659
TIME...MOT...LOC 0617Z 236DEG 38KT 3141 8702 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 24, 10:19 PM CDTSpecial Weather StatementMOBWashington56 min
Mar 24, 10:59 PM CDTSevere Thunderstorm WarningMOBBaldwin, Clarke, Mobile, Washington46 min
Mar 24, 11:13 PM CDTAreal Flood AdvisoryMOBClarke, Mobile, Washington3 hr
Mar 24, 11:32 PM CDTSevere Thunderstorm WarningMOBBaldwin, Clarke, Monroe43 min
Mar 25, 12:11 AM CDTSpecial Weather StatementMOBMonroe49 min
Mar 25, 12:16 AM CDTSevere Thunderstorm WarningMOBConecuh, Monroe25 min
Mar 25, 1:30 AM CDTSpecial Weather StatementMOBCrenshaw45 min
Mar 25, 1:38 AM CDTSevere Thunderstorm WarningMOBCrenshaw23 min
Mar 25, 2:25 AM CDTSpecial Weather StatementMOBConecuh50 min
Mar 25, 2:51 AM CDTSpecial Weather StatementMOBButler39 min
Mar 25, 7:05 AM CDTSpecial Weather StatementMOBChoctaw40 min
Mar 25, 7:36 AM CDTSevere Thunderstorm WarningMOBChoctaw24 min
Mar 25, 6:20 PM CDTSevere Thunderstorm WarningMOBChoctaw40 min
Mar 25, 6:58 PM CDTSevere Thunderstorm WarningMOBChoctaw24 min
Mar 24, 8:15 PM CDTSpecial Weather StatementMOBStone60 min
Mar 24, 9:17 PM CDTSpecial Weather StatementMOBStone58 min
Mar 24, 9:32 PM CDTFlash Flood WarningMOBGeorge, Greene, Perry, Stone4 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.