Alert archive / Alabama / Tornado Warnings in 2021

Tornado Warning 69, NWS Birmingham, AL

May 2, 2021Greene County, Pickens County, Alabama

NWS Birmingham, AL issued this tornado warning at May 2, 2021, 3:54 PM CDT for Greene County, Pickens County, Alabama. It was in force for 18 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
May 2, 2021, 3:54 PM CDT (20:54 UTC)
Expired
May 2, 2021, 4:12 PM CDT
In force
18 min
Issued by
NWS Birmingham, AL
Area
Storm-based polygon
Tornado
Observed
Hail
0.75 in

Counties Greene County, AL, Pickens County, AL

The radar

The Columbus AFB radar (KGWX), 96 km from the middle of the area, began a volume at 20:53 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 12:00Z, 8.9 hours before the alert went out and 111 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 2021-05-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2021-05-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 101 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2107 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
101 m²/s²
0-3 km storm-relative helicity
120 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

808 
WFUS54 KBMX 022054
TORBMX
ALC063-107-022130-
/O.NEW.KBMX.TO.W.0069.210502T2054Z-210502T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Birmingham AL
354 PM CDT Sun May 2 2021

The National Weather Service in Birmingham has issued a

* Tornado Warning for...
  Southeastern Pickens County in west central Alabama...
  North central Greene County in west central Alabama...

* Until 430 PM CDT.
    
* At 354 PM CDT, a tornado producing storm was located near Mantua,
  or 11 miles southeast of Aliceville, moving northeast at 30 mph.

  HAZARD...Damaging tornado.

  SOURCE...Radar confirmed tornado.

  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...
  Benevola, Pioneer and Lewiston. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 3300 8798 3301 8805 3323 8799 3319 8784
TIME...MOT...LOC 2054Z 205DEG 24KT 3302 8800 

TORNADO...OBSERVED
HAIL...<.75IN

$$

32/Davis
2 follow-up statements
409 
WWUS54 KBMX 022104
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
404 PM CDT Sun May 2 2021

ALC063-022114-
/O.CAN.KBMX.TO.W.0069.000000T0000Z-210502T2130Z/
Greene AL-
404 PM CDT Sun May 2 2021

...THE TORNADO WARNING FOR NORTH CENTRAL GREENE COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

LAT...LON 3321 8790 3316 8792 3313 8793 3312 8794
      3308 8797 3308 8799 3307 8800 3310 8803
      3323 8799
TIME...MOT...LOC 2104Z 205DEG 24KT 3308 8796 

$$

ALC107-022130-
/O.CON.KBMX.TO.W.0069.000000T0000Z-210502T2130Z/
Pickens AL-
404 PM CDT Sun May 2 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM CDT FOR
SOUTHEASTERN PICKENS COUNTY...
        
At 404 PM CDT, a confirmed tornado was located over Benevola, or 11
miles east of Aliceville, moving northeast at 30 mph.

HAZARD...Damaging tornado.

SOURCE...Radar confirmed tornado.

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...
Benevola.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 3321 8790 3316 8792 3313 8793 3312 8794
      3308 8797 3308 8799 3307 8800 3310 8803
      3323 8799
TIME...MOT...LOC 2104Z 205DEG 24KT 3308 8796 

TORNADO...OBSERVED
HAIL...<.75IN

$$

32/Davis
392 
WWUS54 KBMX 022112
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
412 PM CDT Sun May 2 2021

ALC107-022122-
/O.CAN.KBMX.TO.W.0069.000000T0000Z-210502T2130Z/
Pickens AL-
412 PM CDT Sun May 2 2021

...THE TORNADO WARNING FOR SOUTHEASTERN PICKENS COUNTY IS
CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.

LAT...LON 3321 8790 3316 8792 3313 8793 3312 8794
      3308 8797 3308 8799 3307 8800 3310 8803
      3323 8799
TIME...MOT...LOC 2111Z 205DEG 24KT 3313 8793 

$$

32/Davis

The office that day

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

IssuedProductOfficeCountiesLasted
May 2, 2:30 PM CDTSpecial Weather StatementBMXSumter45 min
May 2, 4:02 PM CDTTornado WarningBMXSumter28 min
May 2, 4:22 PM CDTTornado WarningBMXGreene38 min
May 2, 4:55 PM CDTTornado Warning Tornado observedBMXGreene, Pickens, Tuscaloosa52 min
May 2, 6:03 PM CDTSpecial Weather StatementBMXPickens27 min

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.