Alert archive / Alabama / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 29, NWS Mobile, AL

March 25, 2021Conecuh County, Monroe County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Mar 25, 2021, 12:16 AM CDT for Conecuh County, Monroe County, Alabama. It was in force for 25 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Mar 25, 2021, 12:16 AM CDT (05:16 UTC)
Expired
Mar 25, 2021, 12:41 AM CDT
In force
25 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Conecuh County, AL, Monroe County, AL

The radar

The Ft Rucker radar (KEOX), 150 km from the middle of the area, began a volume at 05:17 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.

What was reported inside it

TimeReportWhereRemark
Mar 25, 12:20 AM CDTHAIL 0.25Monroeville, ALPEA SIZE HAIL REPORT JUST SOUTH OF MONROEVILLE ALONG AL21. TIME ESTIMATED BASED ON RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 5.3 hours before the alert went out and 182 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.

087 
WUUS54 KMOB 250516
SVRMOB
ALC035-099-250600-
/O.NEW.KMOB.SV.W.0029.210325T0516Z-210325T0600Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
1216 AM CDT Thu Mar 25 2021

The National Weather Service in Mobile has issued a

* Severe Thunderstorm Warning for...
  Central Monroe County in south central Alabama...
  Central Conecuh County in south central Alabama...

* Until 100 AM CDT.

* At 1216 AM CDT, a severe thunderstorm was located over Excel, or 4
  miles south of Monroeville, moving east at 50 mph.

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Evergreen, Frisco City, Excel, Repton and I65 And US 84. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3171 8691 3164 8691 3160 8689 3141 8685
      3138 8739 3148 8742
TIME...MOT...LOC 0516Z 251DEG 42KT 3147 8733 

HAIL...0.75IN
WIND...60MPH
 
$$
1 follow-up statement
597 
WWUS54 KMOB 250541
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
1241 AM CDT Thu Mar 25 2021

ALC035-099-250550-
/O.CAN.KMOB.SV.W.0029.000000T0000Z-210325T0600Z/
Monroe AL-Conecuh AL-
1241 AM CDT Thu Mar 25 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL MONROE AND CENTRAL
CONECUH COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.

LAT...LON 3171 8691 3164 8691 3160 8689 3141 8685
      3138 8739 3148 8742
TIME...MOT...LOC 0539Z 251DEG 42KT 3156 8701 

$$

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, 1:18 AM CDTSpecial Weather StatementMOBConecuh57 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

Nearby

Severe Thunderstorm Warnings in Alabama, 2021Every severe thunderstorm 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.