Alert archive / Alabama / Tornado Warnings in 2021

Tornado Warning 15, NWS Mobile, AL

March 25, 2021Choctaw County, Alabama

NWS Mobile, AL issued this tornado warning at Mar 25, 2021, 7:00 PM CDT for Choctaw County, Alabama. It was in force for 30 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, 7:00 PM CDT (00:00 UTC)
Expired
Mar 25, 2021, 7:30 PM CDT
In force
30 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.5 in

County Choctaw County, AL

The radar

The Mobile radar (KMOB), 157 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.

IssuedProductOfficeLasted
Mar 25, 11:26 AM CDTTornado Watch PDSSPC9 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 0.0 hours before the alert went out and 174 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 2021-03-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1313 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 2021-03-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 341 square meters per square second.1939587897Sfc1 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
1313 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
662 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
341 m²/s²
0-3 km storm-relative helicity
334 m²/s²
Significant tornado parameter
3.1
Supercell composite
13.2

Open this sounding in Storm Lab

The text

As transmitted.

824 
WFUS54 KMOB 260000
TORMOB
ALC023-260030-
/O.NEW.KMOB.TO.W.0015.210326T0000Z-210326T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
700 PM CDT Thu Mar 25 2021

The National Weather Service in Mobile has issued a

* Tornado Warning for...
  Central Choctaw County in southwestern Alabama...

* Until 730 PM CDT.
    
* At 700 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Butler, moving east at 50 mph.

  HAZARD...Tornado and ping pong ball size hail.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This tornadic thunderstorm will remain over mainly rural areas of
  central Choctaw County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 3215 8802 3214 8804 3211 8805 3209 8804
      3206 8807 3207 8808 3207 8810 3205 8812
      3205 8811 3203 8812 3202 8829 3212 8829
TIME...MOT...LOC 0000Z 256DEG 43KT 3208 8822 

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$
2 follow-up statements
760 
WWUS54 KMOB 260012
SVSMOB

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

ALC023-260030-
/O.CON.KMOB.TO.W.0015.000000T0000Z-210326T0030Z/
Choctaw AL-
712 PM CDT Thu Mar 25 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR CENTRAL
CHOCTAW COUNTY...
    
At 711 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Nanafalia, or 10 miles east of Butler, moving east
at 50 mph.

HAZARD...Tornado and ping pong ball size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Butler.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 3215 8802 3214 8804 3211 8805 3209 8804
      3206 8807 3207 8808 3207 8810 3205 8812
      3205 8811 3203 8812 3202 8829 3212 8829
TIME...MOT...LOC 0011Z 258DEG 44KT 3212 8804 

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$
522 
WWUS54 KMOB 260021
SVSMOB

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

ALC023-260030-
/O.EXP.KMOB.TO.W.0015.000000T0000Z-210326T0030Z/
Choctaw AL-
721 PM CDT Thu Mar 25 2021

...THE TORNADO WARNING FOR CENTRAL CHOCTAW COUNTY WILL EXPIRE AT 730
PM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

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

LAT...LON 3215 8802 3214 8804 3211 8805 3209 8804
      3206 8807 3207 8808 3207 8810 3205 8812
      3205 8811 3203 8812 3202 8829 3212 8829
TIME...MOT...LOC 0020Z 256DEG 43KT 3213 8800 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 26, 6:53 AM CDTMarine Dense Fog AdvisoryMOB27 hr
Mar 26, 2:08 PM CDTDense Fog AdvisoryMOBBaldwin, Mobile20 hr

Nearby

Tornado Warnings in Alabama, 2021Every tornado warning in 2021Tornadoes 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.