Alert archive / Alabama / Tornado Warnings in 2021

Tornado Warning 54, NWS Birmingham, AL

March 25, 2021Sumter County, Alabama

NWS Birmingham, AL issued this tornado warning at Mar 25, 2021, 3:37 PM CDT for Sumter County, Alabama. It was in force for 53 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, 3:37 PM CDT (20:37 UTC)
Expired
Mar 25, 2021, 4:30 PM CDT
In force
53 min
Issued by
NWS Birmingham, AL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Sumter County, AL

The radar

The Birmingham radar (KBMX), 137 km from the middle of the area, began a volume at 20:36 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 12:00Z, 8.6 hours before the alert went out and 137 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 2021-03-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 54 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 2021-03-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 613 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
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.

390 
WFUS54 KBMX 252037
TORBMX
ALC119-252130-
/O.NEW.KBMX.TO.W.0054.210325T2037Z-210325T2130Z/

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

The National Weather Service in Birmingham has issued a

* Tornado Warning for...
  Southern Sumter County in west central Alabama...

* Until 430 PM CDT.
    
* At 337 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Alamucha, or near Cuba, moving northeast at 45
  mph.

  HAZARD...Tornado.

  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...
  Livingston, York, Cuba, The University Of West Alabama, Bluffport,
  Coatopa, Dug Hill, Kinterbish, Old Mallard Airport, Belmont,
  Demopolis Lock And Dam, Lilita, McDowell, Bellamy, I 20 Welcome
  Center At Cuba and Ward.

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.

&&

LAT...LON 3250 8840 3269 8804 3264 8806 3264 8808
      3263 8808 3259 8806 3263 8792 3262 8791
      3261 8784 3260 8784 3259 8786 3261 8788
      3259 8790 3252 8785 3252 8791 3246 8796
      3242 8804 3233 8825 3231 8842
TIME...MOT...LOC 2037Z 240DEG 37KT 3237 8845 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

32/Davis
4 follow-up statements
639 
WWUS54 KBMX 252052
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
352 PM CDT Thu Mar 25 2021

ALC119-252130-
/O.CON.KBMX.TO.W.0054.000000T0000Z-210325T2130Z/
Sumter AL-
352 PM CDT Thu Mar 25 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM CDT FOR SOUTHERN
SUMTER COUNTY...
    
At 352 PM CDT, a severe thunderstorm capable of producing a tornado
was located over York, moving northeast at 45 mph.

HAZARD...Tornado.

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...
Livingston, York, Bluffport, Coatopa, Dug Hill, The University Of
West Alabama, Old Mallard Airport, Bellamy, Belmont, Demopolis Lock
And Dam, Lilita and McDowell.

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.

&&

LAT...LON 3250 8833 3269 8804 3264 8806 3264 8808
      3263 8808 3259 8806 3263 8792 3262 8791
      3261 8784 3260 8784 3259 8786 3261 8788
      3259 8790 3252 8785 3252 8791 3246 8796
      3243 8804 3239 8824 3244 8829
TIME...MOT...LOC 2052Z 238DEG 40KT 3247 8826 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

32/Davis
526 
WWUS54 KBMX 252101
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
401 PM CDT Thu Mar 25 2021

ALC119-252130-
/O.CON.KBMX.TO.W.0054.000000T0000Z-210325T2130Z/
Sumter AL-
401 PM CDT Thu Mar 25 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM CDT FOR
SOUTHEASTERN SUMTER COUNTY...
    
At 401 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Bluffport, or near Livingston, moving northeast at
50 mph.

HAZARD...Tornado.

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...
Livingston, Bluffport, Dug Hill, Belmont, Demopolis Lock And Dam,
Lilita and McDowell.

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.

&&

LAT...LON 3257 8819 3269 8804 3264 8806 3264 8808
      3263 8808 3259 8806 3263 8792 3262 8791
      3261 8784 3260 8784 3259 8786 3261 8788
      3259 8790 3252 8785 3252 8791 3250 8803
      3247 8815 3246 8821
TIME...MOT...LOC 2101Z 238DEG 43KT 3255 8812 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

32/Davis
684 
WWUS54 KBMX 252115
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
415 PM CDT Thu Mar 25 2021

ALC119-252130-
/O.CON.KBMX.TO.W.0054.000000T0000Z-210325T2130Z/
Sumter AL-
415 PM CDT Thu Mar 25 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM CDT FOR EAST
CENTRAL SUMTER COUNTY...
    
At 415 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Tishabee, or 10 miles northwest of Demopolis, moving
northeast at 45 mph.

HAZARD...Tornado.

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...
Belmont.

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.

&&

LAT...LON 3263 8792 3262 8791 3261 8784 3260 8784
      3259 8786 3261 8788 3259 8790 3256 8788
      3255 8791 3256 8797 3259 8798 3260 8799
      3261 8798
TIME...MOT...LOC 2115Z 240DEG 37KT 3263 8796 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

32/Davis
864 
WWUS54 KBMX 252120 RRB
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
420 PM CDT Thu Mar 25 2021

ALC119-252130-
/O.EXP.KBMX.TO.W.0054.000000T0000Z-210325T2130Z/
Sumter AL-
420 PM CDT Thu Mar 25 2021

...THE TORNADO WARNING FOR EAST CENTRAL SUMTER COUNTY WILL EXPIRE AT
430 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 west central
Alabama.

LAT...LON 3263 8792 3262 8791 3261 8784 3260 8784
      3259 8786 3261 8788 3259 8790 3256 8788
      3255 8791 3256 8797 3259 8798 3260 8799
      3261 8798
TIME...MOT...LOC 2120Z 240DEG 37KT 3265 8792 

$$

32/Davis

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 24, 10:58 PM CDTWind AdvisoryBMXAutauga, Barbour, Bibb, Blount, Bullock, Calhoun and 33 more24 hr
Mar 25, 1:43 AM CDTSpecial Weather StatementBMXPike47 min
Mar 25, 4:54 AM CDTSpecial Weather StatementBMXLee36 min
Mar 25, 7:45 AM CDTSpecial Weather StatementBMXMarengo45 min
Mar 25, 7:48 AM CDTSpecial Weather StatementBMXTuscaloosa42 min
Mar 25, 8:46 AM CDTSpecial Weather StatementBMXJefferson, Tuscaloosa44 min
Mar 25, 8:53 AM CDTSpecial Weather StatementBMXMarshall22 min
Mar 25, 9:19 AM CDTSpecial Weather StatementBMXBlount41 min
Mar 25, 9:24 AM CDTAreal Flood AdvisoryBMXFayette, Walker, Winston3 hr
Mar 25, 9:28 AM CDTSpecial Weather StatementBMXJefferson47 min
Mar 25, 9:58 AM CDTSevere Thunderstorm WarningBMXJefferson, St. Clair32 min
Mar 25, 10:12 AM CDTAreal Flood AdvisoryBMXBlount, Jefferson3 hr
Mar 25, 10:18 AM CDTSevere Thunderstorm WarningBMXSt. Clair13 min
Mar 25, 10:28 AM CDTSpecial Weather StatementBMXCalhoun, Etowah, St. Clair47 min
Mar 25, 10:53 AM CDTSpecial Weather StatementBMXJefferson, Tuscaloosa, Walker37 min
Mar 25, 11:14 AM CDTSevere Thunderstorm WarningBMXBlount, Jefferson, St. Clair, Walker61 min
Mar 25, 11:19 AM CDTSevere Thunderstorm WarningBMXCalhoun, Cherokee, Cleburne15 min
Mar 25, 11:36 AM CDTTornado WarningBMXGreene, Hale54 min
Mar 25, 12:03 PM CDTSevere Thunderstorm WarningBMXBlount, Calhoun, Etowah, Jefferson, St. Clair, Talladega72 min
Mar 25, 12:11 PM CDTTornado WarningBMXBibb, Tuscaloosa64 min
Mar 25, 12:45 PM CDTSpecial Weather StatementBMXCherokee60 min
Mar 25, 12:47 PM CDTFlash Flood WarningBMXCherokee, Etowah6 hr
Mar 25, 12:53 PM CDTTornado Warning EmergencyBMXJefferson, Shelby67 min
Mar 25, 12:54 PM CDTAreal Flood AdvisoryBMXJefferson, St. Clair4 hr
Mar 25, 1:28 PM CDTTornado WarningBMXPickens43 min
Mar 25, 1:46 PM CDTTornado Warning Tornado observedConsiderable damage threatBMXSt. Clair, Shelby, Talladega59 min
Mar 25, 1:57 PM CDTFlash Flood WarningBMXBlount, Jefferson, St. Clair9 hr
Mar 25, 2:23 PM CDTTornado Warning Tornado observedBMXCalhoun67 min
Mar 25, 2:32 PM CDTFlash Flood WarningBMXFayette, Jefferson, Lamar, Marion, Pickens, Tuscaloosa and 2 more4 hr
Mar 25, 2:45 PM CDTTornado WarningBMXFayette, Tuscaloosa, Walker15 min
Mar 25, 2:58 PM CDTTornado Warning Tornado observedBMXCherokee, Etowah45 min
Mar 25, 3:11 PM CDTTornado WarningBMXSumter37 min
Mar 25, 3:35 PM CDTTornado WarningBMXGreene55 min
Mar 25, 3:44 PM CDTTornado WarningBMXBlount, Jefferson25 min
Mar 25, 3:59 PM CDTTornado Warning EmergencyBMXGreene, Hale61 min
Mar 25, 4:10 PM CDTTornado Warning Tornado observedBMXHale, Tuscaloosa10 min
Mar 25, 4:27 PM CDTSpecial Weather StatementBMXJefferson33 min
Mar 25, 4:33 PM CDTTornado Warning EmergencyTornado observedConsiderable damage threatBMXBibb, Perry57 min
Mar 25, 4:45 PM CDTTornado WarningBMXJefferson18 min
Mar 25, 4:48 PM CDTSpecial Weather StatementBMXWalker27 min
Mar 25, 4:55 PM CDTTornado Warning Tornado observedBMXSt. Clair41 min
Mar 25, 5:05 PM CDTTornado Warning EmergencyTornado observedConsiderable damage threatBMXChilton, Shelby55 min
Mar 25, 5:16 PM CDTTornado Warning EmergencyTornado observedCatastrophic damage threatBMXBibb29 min
Mar 25, 5:24 PM CDTTornado WarningBMXCalhoun, Etowah28 min
Mar 25, 5:29 PM CDTAreal Flood AdvisoryBMXChilton, Coosa, Shelby, Talladega21 min
Mar 25, 5:50 PM CDTFlash Flood WarningBMXChilton, Coosa, Shelby, Talladega100 min
Mar 25, 5:50 PM CDTTornado Warning EmergencyTornado observedCatastrophic damage threatBMXShelby, Talladega23 min
Mar 25, 6:03 PM CDTSpecial Weather StatementBMXGreene27 min
Mar 25, 6:15 PM CDTSpecial Weather StatementBMXFayette30 min
Mar 25, 6:30 PM CDTAreal Flood WarningBMXCherokee3 days

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.