Alert archive / Alabama / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 111, NWS Mobile, AL

April 24, 2021Conecuh County, Covington County, Escambia County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Apr 24, 2021, 7:00 PM CDT for Conecuh County, Covington County, Escambia County, Alabama. It was in force for 45 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
Apr 24, 2021, 7:00 PM CDT (00:00 UTC)
Expired
Apr 24, 2021, 7:45 PM CDT
In force
45 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Tornado
Possible
Hail
1.0 in
Wind
70.0 mph

Counties Conecuh County, AL, Covington County, AL, Escambia County, AL

The radar

The Ft Rucker radar (KEOX), 99 km from the middle of the area, began a volume at 00:00 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
Apr 24, 1:17 PM CDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 0.0 hours before the alert went out and 200 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 2021-04-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 107 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 2021-04-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -56 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
107 J/kg
Mixed-layer CIN
-60 J/kg
Mixed-layer LCL
1095 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
-56 m²/s²
0-3 km storm-relative helicity
196 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.4

Open this sounding in Storm Lab

The text

As transmitted.

756 
WUUS54 KMOB 250000
SVRMOB
ALC035-039-053-250045-
/O.NEW.KMOB.SV.W.0111.210425T0000Z-210425T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
700 PM CDT Sat Apr 24 2021

The National Weather Service in Mobile has issued a

* Severe Thunderstorm Warning for...
  Northeastern Escambia County in south central Alabama...
  Southeastern Conecuh County in south central Alabama...
  Covington County in south central Alabama...

* Until 745 PM CDT.

* At 659 PM CDT, a severe thunderstorm was located 6 miles northwest
  of Opp, moving east at 50 mph.

  HAZARD...70 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect considerable 
           tree damage. Wind damage is also likely to mobile homes, 
           roofs, and outbuildings.

* Locations impacted include...
  Andalusia, Opp, River Falls, Red Level, Heath and Gantt. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3123 8699 3136 8702 3148 8691 3148 8640
      3145 8640 3148 8636 3148 8628 3146 8628
      3145 8626 3144 8626 3144 8619 3113 8619
TIME...MOT...LOC 2359Z 273DEG 43KT 3135 8632 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...70MPH
 
$$

CGAL
4 follow-up statements
064 
WWUS54 KMOB 250003 RRA
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
703 PM CDT Sat Apr 24 2021

ALC035-039-053-250045-
/O.CON.KMOB.SV.W.0111.000000T0000Z-210425T0045Z/
Escambia AL-Conecuh AL-Covington AL-
703 PM CDT Sat Apr 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR NORTHEASTERN ESCAMBIA...SOUTHEASTERN CONECUH AND COVINGTON
COUNTIES...

At 703 PM CDT, a severe thunderstorm was located 4 miles north of
Opp, moving east at 50 mph.

HAZARD...70 mph wind gusts and ping pong ball size hail.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect 
         considerable tree damage. Wind damage is also likely to 
         mobile homes, roofs, and outbuildings.

Locations impacted include...
Andalusia, Opp, River Falls, Red Level, Heath and Gantt. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3123 8699 3136 8702 3148 8691 3148 8640
      3145 8640 3148 8636 3148 8628 3146 8628
      3145 8626 3144 8626 3144 8619 3113 8619
TIME...MOT...LOC 0003Z 273DEG 43KT 3135 8626 

TORNADO...POSSIBLE
HAIL...1.50IN
WIND...70MPH
 
$$

CGAL
454 
WWUS54 KMOB 250013
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
713 PM CDT Sat Apr 24 2021

ALC053-250023-
/O.CAN.KMOB.SV.W.0111.000000T0000Z-210425T0045Z/
Escambia AL-
713 PM CDT Sat Apr 24 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN ESCAMBIA COUNTY
IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 900 PM CDT for
south central Alabama.

LAT...LON 3124 8677 3126 8677 3126 8687 3148 8676
      3148 8640 3145 8640 3148 8636 3148 8628
      3146 8628 3145 8626 3144 8626 3144 8619
      3113 8619
TIME...MOT...LOC 0013Z 273DEG 43KT 3134 8611 

$$

ALC035-039-250045-
/O.CON.KMOB.SV.W.0111.000000T0000Z-210425T0045Z/
Conecuh AL-Covington AL-
713 PM CDT Sat Apr 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR SOUTHEASTERN CONECUH AND CENTRAL COVINGTON COUNTIES...

At 713 PM CDT, a severe thunderstorm was located 5 miles southwest of
Elba, moving east at 50 mph.

HAZARD...70 mph wind gusts and ping pong ball size hail.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect 
         considerable tree damage. Wind damage is also likely to 
         mobile homes, roofs, and outbuildings.

Locations impacted include...
Andalusia, Opp, River Falls, Red Level, Heath and Gantt. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3124 8677 3126 8677 3126 8687 3148 8676
      3148 8640 3145 8640 3148 8636 3148 8628
      3146 8628 3145 8626 3144 8626 3144 8619
      3113 8619
TIME...MOT...LOC 0013Z 273DEG 43KT 3134 8611 

TORNADO...POSSIBLE
HAIL...1.50IN
WIND...70MPH
 
$$

CGAL
009 
WWUS54 KMOB 250026
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
726 PM CDT Sat Apr 24 2021

ALC035-250035-
/O.CAN.KMOB.SV.W.0111.000000T0000Z-210425T0045Z/
Conecuh AL-
726 PM CDT Sat Apr 24 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CONECUH COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 900 PM CDT for
south central Alabama.

LAT...LON 3127 8666 3148 8665 3148 8640 3145 8640
      3148 8636 3148 8628 3146 8628 3145 8626
      3144 8626 3144 8619 3116 8619
TIME...MOT...LOC 0025Z 273DEG 43KT 3133 8593 

$$

ALC039-250045-
/O.CON.KMOB.SV.W.0111.000000T0000Z-210425T0045Z/
Covington AL-
726 PM CDT Sat Apr 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR NORTHERN COVINGTON COUNTY...

At 725 PM CDT, a severe thunderstorm was located near New Brockton,
or 6 miles west of Enterprise, moving east at 50 mph.

HAZARD...70 mph wind gusts and ping pong ball size hail.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect 
         considerable tree damage. Wind damage is also likely to 
         mobile homes, roofs, and outbuildings.

Locations impacted include...
Andalusia, Opp, River Falls, Red Level, Heath and Gantt. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3127 8666 3148 8665 3148 8640 3145 8640
      3148 8636 3148 8628 3146 8628 3145 8626
      3144 8626 3144 8619 3116 8619
TIME...MOT...LOC 0025Z 273DEG 43KT 3133 8593 

HAIL...1.50IN
WIND...70MPH
 
$$

CGAL
467 
WWUS54 KMOB 250035
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
735 PM CDT Sat Apr 24 2021

ALC039-250045-
/O.CON.KMOB.SV.W.0111.000000T0000Z-210425T0045Z/
Covington AL-
735 PM CDT Sat Apr 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR NORTHEASTERN COVINGTON COUNTY...

At 735 PM CDT, a severe thunderstorm was located near Heath, or near
Andalusia, moving east at 50 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Andalusia, Opp, River Falls, Heath and Gantt. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3124 8655 3148 8654 3148 8640 3145 8640
      3148 8636 3148 8628 3146 8628 3145 8626
      3144 8626 3144 8619 3121 8619 3124 8652
TIME...MOT...LOC 0035Z 271DEG 42KT 3133 8643 

HAIL...1.00IN
WIND...60MPH
 
$$

CGAL

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 24, 7:01 PM CDTSevere Thunderstorm WarningMOBBaldwin15 min
Apr 24, 7:39 PM CDTWind AdvisoryMOBBaldwin, Butler, Choctaw, Clarke, Conecuh, Covington and 6 more8 hr
Apr 24, 7:48 PM CDTSmall Craft AdvisoryMOB13 hr
Apr 24, 8:57 PM CDTRiver Flood WarningMOBCovington, Escambia27 hr

Nearby

Severe Thunderstorm Warnings in Alabama, 2021Every 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.