Alert archive / Alabama / Tornado Warnings in 2021

Tornado Warning 33, NWS Mobile, AL

May 3, 2021Covington County, Crenshaw County, Alabama

NWS Mobile, AL issued this tornado warning at May 3, 2021, 1:57 PM CDT for Covington County, Crenshaw County, Alabama. It was in force for 48 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 3, 2021, 1:57 PM CDT (18:57 UTC)
Expired
May 3, 2021, 2:45 PM CDT
In force
48 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Covington County, AL, Crenshaw County, AL

The radar

The Ft Rucker radar (KEOX), 104 km from the middle of the area, began a volume at 18:59 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
May 3, 11:47 AM CDTSevere Thunderstorm WatchSPC10 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 7.0 hours before the alert went out and 198 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 2021-05-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1106 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 2021-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 313 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
1106 J/kg
Mixed-layer CIN
-20 J/kg
Mixed-layer LCL
552 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
313 m²/s²
0-3 km storm-relative helicity
363 m²/s²
Significant tornado parameter
1.7
Supercell composite
11.4

Open this sounding in Storm Lab

The text

As transmitted.

957 
WFUS54 KMOB 031857
TORMOB
ALC039-041-031945-
/O.NEW.KMOB.TO.W.0033.210503T1857Z-210503T1945Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
157 PM CDT Mon May 3 2021

The National Weather Service in Mobile has issued a

* Tornado Warning for...
  South central Crenshaw County in south central Alabama...
  Northern Covington County in south central Alabama...

* Until 245 PM CDT.
    
* At 157 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Red Level, or 10 miles northwest of Andalusia,
  moving east at 25 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.

* This dangerous storm will be near...
  Red Level around 200 PM CDT.
  Gantt around 220 PM CDT.
  Dozier around 240 PM CDT.

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 3138 8629 3135 8669 3137 8667 3139 8667
      3140 8666 3141 8667 3142 8667 3156 8636
TIME...MOT...LOC 1857Z 251DEG 21KT 3139 8664 

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

$$
3 follow-up statements
389 
WWUS54 KMOB 031907
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
207 PM CDT Mon May 3 2021

ALC039-041-031945-
/O.CON.KMOB.TO.W.0033.000000T0000Z-210503T1945Z/
Crenshaw AL-Covington AL-
207 PM CDT Mon May 3 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 245 PM CDT FOR SOUTH
CENTRAL CRENSHAW AND NORTHERN COVINGTON COUNTIES...
    
At 206 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Red Level, or 9 miles northwest of Andalusia, moving
east at 20 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.

This dangerous storm will be near...
  Gantt around 230 PM CDT.
  Dozier around 255 PM CDT.

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 3138 8629 3136 8664 3143 8665 3156 8636
TIME...MOT...LOC 1906Z 251DEG 16KT 3141 8660 

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

$$
976 
WWUS54 KMOB 031921
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
221 PM CDT Mon May 3 2021

ALC039-041-031945-
/O.CON.KMOB.TO.W.0033.000000T0000Z-210503T1945Z/
Crenshaw AL-Covington AL-
221 PM CDT Mon May 3 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 245 PM CDT FOR SOUTH
CENTRAL CRENSHAW AND NORTHERN COVINGTON COUNTIES...
    
At 220 PM CDT, a severe thunderstorm capable of producing a tornado 
was located near Gantt, or 8 miles north of Andalusia, moving east 
at 25 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.

This dangerous storm will be near...
  Gantt around 225 PM CDT.
  Dozier around 245 PM CDT.

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 3138 8629 3137 8656 3145 8661 3156 8636
TIME...MOT...LOC 1920Z 252DEG 20KT 3143 8652 

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

$$
040 
WWUS54 KMOB 031941
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
241 PM CDT Mon May 3 2021

ALC039-041-031951-
/O.EXP.KMOB.TO.W.0033.000000T0000Z-210503T1945Z/
Crenshaw AL-Covington AL-
241 PM CDT Mon May 3 2021

...THE TORNADO WARNING FOR SOUTH CENTRAL CRENSHAW AND NORTHERN
COVINGTON COUNTIES WILL EXPIRE AT 245 PM CDT...
                
The storm which prompted the warning has weakened. Therefore, the 
warning will be allowed to expire.

A Severe Thunderstorm Watch remains in effect until 800 PM CDT for
south central Alabama.

LAT...LON 3138 8629 3137 8656 3145 8661 3156 8636
TIME...MOT...LOC 1941Z 251DEG 21KT 3147 8639 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 3, 12:19 AM CDTSpecial Marine WarningMOB56 min
May 3, 1:50 AM CDTSpecial Weather StatementMOBEscambia40 min
May 3, 2:24 AM CDTSpecial Weather StatementMOBButler, Conecuh66 min
May 3, 2:56 AM CDTSevere Thunderstorm WarningMOBButler, Conecuh, Covington49 min
May 3, 1:50 PM CDTSpecial Weather StatementMOBCovington25 min
May 3, 3:22 PM CDTAreal Flood AdvisoryMOBConecuh, Covington, Crenshaw113 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.