Alert archive / Alabama / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 82, NWS Birmingham, AL

April 24, 20214 counties in Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Apr 24, 2021, 6:48 PM CDT for 4 counties in Alabama. It was in force for 57 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Apr 24, 2021, 6:48 PM CDT (23:48 UTC)
Expired: Apr 24, 2021, 7:45 PM CDT
In force: 57 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Chambers County, AL, Clay County, AL, Randolph County, AL, Tallapoosa County, AL

The radar

The Maxwell AFB radar (KMXX), 80 km from the middle of the area, began a volume at 23:51 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.

What was reported inside it

Time	Report	Where	Remark
Apr 24, 7:12 PM CDT	TSTM WND DMG	3 Nne Abanda, AL	A FEW TREES WERE BLOWN DOWN ALONG HIGHWAY 22.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 24, 4:52 PM CDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 11.8 hours before the alert went out and 103 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 580 m above ground
0-6 km bulk shear: 62 kt
0-1 km storm-relative helicity: 855 m²/s²
0-3 km storm-relative helicity: 1103 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

419 
WUUS54 KBMX 242348
SVRBMX
ALC017-027-111-123-250045-
/O.NEW.KBMX.SV.W.0082.210424T2348Z-210425T0045Z/

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

The National Weather Service in Birmingham has issued a

* Severe Thunderstorm Warning for...
  Randolph County in east central Alabama...
  Northern Tallapoosa County in east central Alabama...
  Northern Chambers County in east central Alabama...
  Southeastern Clay County in east central Alabama...

* Until 745 PM CDT.

* At 647 PM CDT, severe thunderstorms were located along a line
  extending from near Ranburne to Ashland to Goodwater, moving east
  at 50 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Roanoke, Lineville, Ashland, Wedowee, Stroud, Lake Wedowee, New
  Site, Wadley, Woodland, Goldville, Corinth, Crystal Lake, Sparkling
  Springs, Malone, Post Oak Forks, Morrison Cross Roads, Barfield,
  Amity Park, Abanda and Standing Rock.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3302 8601 3310 8601 3311 8602 3328 8589
      3350 8560 3349 8536 3350 8535 3348 8530
      3296 8520
TIME...MOT...LOC 2347Z 275DEG 46KT 3348 8537 3328 8582 3304 8603 

HAIL...0.75IN
WIND...60MPH
 
$$

32/Davis

4 follow-up statements

829 
WWUS54 KBMX 250003
SVSBMX

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

ALC017-027-111-123-250045-
/O.CON.KBMX.SV.W.0082.000000T0000Z-210425T0045Z/
Randolph AL-Tallapoosa AL-Chambers AL-Clay AL-
703 PM CDT Sat Apr 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR RANDOLPH...NORTHEASTERN TALLAPOOSA...NORTHERN CHAMBERS AND
SOUTHEASTERN CLAY COUNTIES...

At 703 PM CDT, severe thunderstorms were located along a line
extending from near Ephesus to near Lake Wedowee to New Site, moving
east at 55 mph.

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

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Roanoke, Wedowee, Lake Wedowee, Stroud, New Site, Wadley, Woodland,
Goldville, Malone, Post Oak Forks, Morrison Cross Roads, Amity Park,
Abanda, Standing Rock, Welch, Fredonia, Veasey Creek Park, Crystal
Lake, Penton and Sparkling Springs.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3301 8588 3309 8586 3324 8573 3349 8543
      3349 8536 3350 8535 3348 8530 3296 8520
TIME...MOT...LOC 0003Z 274DEG 46KT 3344 8533 3326 8559 3302 8580 

HAIL...0.75IN
WIND...60MPH
 
$$

32/Davis

784 
WWUS54 KBMX 250006
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
706 PM CDT Sat Apr 24 2021

ALC017-027-111-123-250045-
/O.CON.KBMX.SV.W.0082.000000T0000Z-210425T0045Z/
Randolph AL-Tallapoosa AL-Chambers AL-Clay AL-
706 PM CDT Sat Apr 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR RANDOLPH...NORTHEASTERN TALLAPOOSA...NORTHERN CHAMBERS AND
SOUTHEASTERN CLAY COUNTIES...

At 705 PM CDT, severe thunderstorms were located along a line
extending from near Ephesus to near Lake Wedowee to New Site, moving
east at 55 mph.

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

SOURCE...Radar indicated.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

Locations impacted include...
Roanoke, Wedowee, Lake Wedowee, Stroud, New Site, Wadley, Woodland,
Goldville, Malone, Post Oak Forks, Amity Park, Abanda, Standing Rock,
Welch, Fredonia, Veasey Creek Park, Crystal Lake, Penton, Sparkling
Springs and Morrison Cross Roads.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3301 8584 3309 8581 3323 8569 3349 8543
      3349 8536 3350 8535 3348 8530 3296 8520
TIME...MOT...LOC 0005Z 274DEG 46KT 3344 8529 3326 8556 3302 8577 

HAIL...0.75IN
WIND...70MPH
 
$$

32/Davis

805 
WWUS54 KBMX 250015
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
715 PM CDT Sat Apr 24 2021

ALC027-250025-
/O.CAN.KBMX.SV.W.0082.000000T0000Z-210425T0045Z/
Clay AL-
715 PM CDT Sat Apr 24 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CLAY COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

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

LAT...LON 3301 8584 3311 8570 3311 8565 3314 8565
      3317 8562 3327 8559 3344 8534 3344 8529
      3296 8520
TIME...MOT...LOC 0015Z 292DEG 35KT 3337 8528 3311 8552 3300 8576 

$$

ALC017-111-123-250045-
/O.CON.KBMX.SV.W.0082.000000T0000Z-210425T0045Z/
Randolph AL-Tallapoosa AL-Chambers AL-
715 PM CDT Sat Apr 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR RANDOLPH...NORTHEASTERN TALLAPOOSA AND NORTHERN CHAMBERS
COUNTIES...

At 715 PM CDT, severe thunderstorms were located along a line
extending from near Ephesus to Abanda to near New Site, moving
southeast at 40 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...
Roanoke, Wedowee, Stroud, New Site, Wadley, Woodland, Malone, Post
Oak Forks, Amity Park, Abanda, Standing Rock, Welch, Fredonia, Veasey
Creek Park, Crystal Lake, Penton, Sparkling Springs, Daviston,
Dickert and Tennant.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3301 8584 3311 8570 3311 8565 3314 8565
      3317 8562 3327 8559 3344 8534 3344 8529
      3296 8520
TIME...MOT...LOC 0015Z 292DEG 35KT 3337 8528 3311 8552 3300 8576 

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

32/Davis

915 
WWUS54 KBMX 250030
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
730 PM CDT Sat Apr 24 2021

ALC123-250040-
/O.CAN.KBMX.SV.W.0082.000000T0000Z-210425T0045Z/
Tallapoosa AL-
730 PM CDT Sat Apr 24 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN TALLAPOOSA COUNTY
IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

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

LAT...LON 3299 8559 3303 8559 3306 8558 3310 8552
      3334 8528 3296 8520
TIME...MOT...LOC 0030Z 274DEG 46KT 3327 8528 3309 8531 3298 8555 

$$

ALC017-111-250045-
/O.CON.KBMX.SV.W.0082.000000T0000Z-210425T0045Z/
Randolph AL-Chambers AL-
730 PM CDT Sat Apr 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR SOUTHEASTERN RANDOLPH AND NORTHERN CHAMBERS COUNTIES...

At 730 PM CDT, severe thunderstorms were located along a line
extending from 9 miles south of Ephesus to Welch to Trammel
Crossroads, moving east at 55 mph.

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

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Roanoke, Stroud, Fredonia, Post Oak Forks, Veasey Creek Park, Amity
Park, Standing Rock, Crystal Lake, Welch, Penton, Dickert, Rocky
Point, Rock Mills, Big Springs, Stroud Creek, Paran and Roanoke
Municipal Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3299 8559 3303 8559 3306 8558 3310 8552
      3334 8528 3296 8520
TIME...MOT...LOC 0030Z 274DEG 46KT 3327 8528 3309 8531 3298 8555 

HAIL...0.88IN
WIND...60MPH
 
$$

32/Davis

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 24, 4:37 AM CDT	Special Weather Statement	BMX	Lowndes	68 min
Apr 24, 5:40 AM CDT	Special Weather Statement	BMX	Lowndes	65 min
Apr 24, 6:24 AM CDT	Special Weather Statement	BMX	Montgomery	36 min
Apr 24, 6:26 AM CDT	Special Weather Statement	BMX	Pike	49 min
Apr 24, 7:05 AM CDT	Special Weather Statement	BMX	Barbour, Bullock, Lee, Macon, Russell	55 min
Apr 24, 8:04 AM CDT	Special Weather Statement	BMX	Sumter	26 min
Apr 24, 8:25 AM CDT	Special Weather Statement	BMX	Hale	35 min
Apr 24, 8:55 AM CDT	Special Weather Statement	BMX	Perry	35 min
Apr 24, 9:02 AM CDT	Special Weather Statement	BMX	Marengo	28 min
Apr 24, 9:46 AM CDT	Special Weather Statement	BMX	Dallas	29 min
Apr 24, 10:33 AM CDT	Special Weather Statement	BMX	Lowndes, Montgomery	42 min
Apr 24, 11:05 AM CDT	Special Weather Statement	BMX	Macon	40 min
Apr 24, 3:11 PM CDT	Special Weather Statement	BMX	Perry	34 min
Apr 24, 3:22 PM CDT	Special Weather Statement	BMX	Montgomery	38 min
Apr 24, 3:26 PM CDT	Special Weather Statement	BMX	Fayette	34 min
Apr 24, 3:27 PM CDT	Special Weather Statement	BMX	Winston	33 min
Apr 24, 3:28 PM CDT	Severe Thunderstorm Warning	BMX	Macon, Montgomery	32 min
Apr 24, 3:31 PM CDT	Special Weather Statement	BMX	Clay	29 min
Apr 24, 3:35 PM CDT	Severe Thunderstorm Warning	BMX	Fayette, Marion, Walker, Winston	40 min
Apr 24, 3:44 PM CDT	Severe Thunderstorm Warning	BMX	Macon, Tallapoosa	31 min
Apr 24, 3:58 PM CDT	Severe Thunderstorm Warning	BMX	Lee	35 min
Apr 24, 4:00 PM CDT	Special Weather Statement	BMX	Winston	15 min
Apr 24, 4:01 PM CDT	Special Weather Statement	BMX	Randolph	44 min
Apr 24, 4:03 PM CDT	Special Weather Statement	BMX	Autauga	42 min
Apr 24, 4:14 PM CDT	Special Weather Statement	BMX	Walker	46 min
Apr 24, 4:14 PM CDT	Severe Thunderstorm Warning	BMX	Chambers	33 min
Apr 24, 4:18 PM CDT	Special Weather Statement	BMX	Lowndes	42 min
Apr 24, 4:22 PM CDT	Special Weather Statement	BMX	Russell	23 min
Apr 24, 4:29 PM CDT	Special Weather Statement	BMX	Blount, Tuscaloosa	61 min
Apr 24, 4:31 PM CDT	Severe Thunderstorm Warning	BMX	Jefferson, Walker	29 min
Apr 24, 4:35 PM CDT	Severe Thunderstorm Warning	BMX	Elmore, Montgomery	36 min
Apr 24, 4:35 PM CDT	Severe Thunderstorm Warning	BMX	Blount, Jefferson	25 min
Apr 24, 4:52 PM CDT	Special Weather Statement	BMX	Chambers, Randolph, Tallapoosa	38 min
Apr 24, 4:55 PM CDT	Severe Thunderstorm Warning	BMX	Lee, Macon, Tallapoosa	38 min
Apr 24, 4:58 PM CDT	Severe Thunderstorm Warning	BMX	Jefferson, St. Clair	32 min
Apr 24, 5:02 PM CDT	Severe Thunderstorm Warning	BMX	Blount, St. Clair	28 min
Apr 24, 5:17 PM CDT	Severe Thunderstorm Warning	BMX	Calhoun, Etowah, St. Clair	43 min
Apr 24, 5:23 PM CDT	Severe Thunderstorm Warning	BMX	Pike	52 min
Apr 24, 5:25 PM CDT	Special Weather Statement	BMX	Bibb, St. Clair, Shelby	35 min
Apr 24, 5:37 PM CDT	Severe Thunderstorm Warning	BMX	Bibb, Shelby, Talladega	23 min
Apr 24, 5:40 PM CDT	Severe Thunderstorm Warning	BMX	Calhoun, St. Clair, Shelby, Talladega	35 min
Apr 24, 5:43 PM CDT	Severe Thunderstorm Warning	BMX	Barbour, Bullock	47 min
Apr 24, 5:44 PM CDT	Severe Thunderstorm Warning	BMX	Cherokee	31 min
Apr 24, 5:52 PM CDT	Severe Thunderstorm Warning	BMX	Calhoun, Cherokee, Cleburne, Etowah	37 min
Apr 24, 5:58 PM CDT	Special Weather Statement	BMX	Shelby	32 min
Apr 24, 6:09 PM CDT	Severe Thunderstorm Warning	BMX	Calhoun, Clay, Cleburne, Shelby, Talladega	51 min
Apr 24, 6:12 PM CDT	Severe Thunderstorm Warning	BMX	Barbour	18 min
Apr 24, 6:22 PM CDT	Severe Thunderstorm Warning	BMX	Barbour, Pike	38 min
Apr 24, 6:28 PM CDT	Severe Thunderstorm Warning	BMX	Cleburne	32 min
Apr 24, 6:37 PM CDT	Special Weather Statement	BMX	Clay, Randolph	38 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2021 Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.