Alert archive / Alabama / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 33, NWS Mobile, AL

March 25, 2021Choctaw County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Mar 25, 2021, 6:58 PM CDT for Choctaw County, Alabama. It was in force for 24 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, 6:58 PM CDT (23:58 UTC)
Expired: Mar 25, 2021, 7:22 PM CDT
In force: 24 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Hail: 1.5 in
Wind: 60.0 mph

County Choctaw County, AL

The radar

The Mobile radar (KMOB), 153 km from the middle of the area, began a volume at 00:01 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Mar 25, 11:26 AM CDT	Tornado Watch PDS	SPC	9 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 12.0 hours before the alert went out and 178 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 54 J/kg
Mixed-layer CIN: -239 J/kg
Mixed-layer LCL: 507 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: 613 m²/s²
0-3 km storm-relative helicity: 713 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 5.6

Open this sounding in Storm Lab

The text

As transmitted.

504 
WUUS54 KMOB 252358
SVRMOB
ALC023-260045-
/O.NEW.KMOB.SV.W.0033.210325T2358Z-210326T0045Z/

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

The National Weather Service in Mobile has issued a

* Severe Thunderstorm Warning for...
  Central Choctaw County in southwestern Alabama...

* Until 745 PM CDT.

* At 658 PM CDT, severe thunderstorms were located along a line
  extending from 3 miles southwest of Pennington to 3 miles south of
  Butler to 5 miles west of Toxey, moving east at 50 mph.

  HAZARD...Ping pong ball size hail and 60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...People and animals outdoors will be injured. Expect hail 
           damage to roofs, siding, windows, and vehicles. Expect 
           wind damage to roofs, siding, and trees.

* Locations impacted include...
  Butler, Lisman and Pennington. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 800 PM CDT for southwestern
Alabama.

A Tornado Watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted, act quickly and move to a
place of safety inside a sturdy structure such as a basement or small
interior room.

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

&&

LAT...LON 3226 8801 3218 8801 3205 8812 3201 8811
      3199 8810 3198 8807 3195 8808 3197 8809
      3195 8812 3194 8810 3193 8806 3192 8846
      3196 8846 3226 8822 3228 8802
TIME...MOT...LOC 2358Z 257DEG 44KT 3219 8810 3204 8822 3194 8840 

HAIL...1.50IN
WIND...60MPH
 
$$

1 follow-up statement

174 
WWUS54 KMOB 260022
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
722 PM CDT Thu Mar 25 2021

ALC023-260031-
/O.CAN.KMOB.SV.W.0033.000000T0000Z-210326T0045Z/
Choctaw AL-
722 PM CDT Thu Mar 25 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL CHOCTAW COUNTY IS
CANCELLED...
    
The storms which prompted the warning have moved out of the area.
Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 800 PM CDT for southwestern
Alabama.

LAT...LON 3226 8801 3218 8801 3205 8812 3201 8811
      3199 8810 3198 8807 3195 8808 3197 8809
      3195 8812 3194 8810 3193 8806 3192 8846
      3196 8846 3226 8822 3228 8802
TIME...MOT...LOC 0014Z 257DEG 44KT 3223 8787 3208 8799 3198 8817 

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 24, 10:19 PM CDT	Special Weather Statement	MOB	Washington	56 min
Mar 24, 10:59 PM CDT	Severe Thunderstorm Warning	MOB	Baldwin, Clarke, Mobile, Washington	46 min
Mar 24, 11:13 PM CDT	Areal Flood Advisory	MOB	Clarke, Mobile, Washington	3 hr
Mar 24, 11:32 PM CDT	Severe Thunderstorm Warning	MOB	Baldwin, Clarke, Monroe	43 min
Mar 25, 12:11 AM CDT	Special Weather Statement	MOB	Monroe	49 min
Mar 25, 12:16 AM CDT	Severe Thunderstorm Warning	MOB	Conecuh, Monroe	25 min
Mar 25, 1:18 AM CDT	Special Weather Statement	MOB	Conecuh	57 min
Mar 25, 1:30 AM CDT	Special Weather Statement	MOB	Crenshaw	45 min
Mar 25, 1:38 AM CDT	Severe Thunderstorm Warning	MOB	Crenshaw	23 min
Mar 25, 2:25 AM CDT	Special Weather Statement	MOB	Conecuh	50 min
Mar 25, 2:51 AM CDT	Special Weather Statement	MOB	Butler	39 min
Mar 25, 7:05 AM CDT	Special Weather Statement	MOB	Choctaw	40 min
Mar 25, 7:36 AM CDT	Severe Thunderstorm Warning	MOB	Choctaw	24 min
Mar 25, 6:20 PM CDT	Severe Thunderstorm Warning	MOB	Choctaw	40 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2021 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.