Alert archive / Alabama / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 78, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Apr 24, 2021, 6:09 PM CDT for 5 counties in Alabama. It was in force for 51 min. 2 reports 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, 6:09 PM CDT (23:09 UTC)
- Expired
- Apr 24, 2021, 7:00 PM CDT
- In force
- 51 min
- Issued by
- NWS Birmingham, AL
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 60.0 mph
Counties Calhoun County, AL, Clay County, AL, Cleburne County, AL, Shelby County, AL, Talladega County, AL
The radar
The Birmingham radar (KBMX), 102 km from the middle of the area, began a volume at 23:10 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, 6:20 PM CDT | TSTM WND DMG | Hollis Crossroads, AL | A FEW TREES WERE BLOWN DOWN AROUND HOLLIS CROSSROADS. |
| Apr 24, 6:40 PM CDT | TSTM WND DMG | Muscadine, AL | A FEW TREES WERE BLOWN DOWN AROUND MUSCADINE. |
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, 11.2 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.
- 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
The text
As transmitted.
559
WUUS54 KBMX 242309
SVRBMX
ALC015-027-029-117-121-250000-
/O.NEW.KBMX.SV.W.0078.210424T2309Z-210425T0000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Birmingham AL
609 PM CDT Sat Apr 24 2021
The National Weather Service in Birmingham has issued a
* Severe Thunderstorm Warning for...
Talladega County in east central Alabama...
Southeastern Calhoun County in east central Alabama...
Southeastern Shelby County in central Alabama...
Cleburne County in east central Alabama...
Northern Clay County in east central Alabama...
* Until 700 PM CDT.
* At 609 PM CDT, severe thunderstorms were located along a line
extending from near Weaver to near Wilsonville, moving east at 50
mph.
HAZARD...60 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Anniston, Oxford, Talladega, Sylacauga, Jacksonville, Childersburg,
Columbiana, Heflin, Wilsonville, Talladega Springs, West End-Cobb
Town, Cobb Town, Fort McClellan, Saks, Weaver, Harpersville,
Munford, Hobson City, Fruithurst and Waldo.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Birmingham.
&&
LAT...LON 3349 8557 3349 8564 3343 8565 3321 8599
3308 8669 3378 8585 3392 8539 3369 8535
TIME...MOT...LOC 2309Z 262DEG 46KT 3378 8583 3327 8644
HAIL...1.25IN
WIND...60MPH
$$
75 Linhares3 follow-up statements
933
WWUS54 KBMX 242332
SVSBMX
Severe Weather Statement
National Weather Service Birmingham AL
632 PM CDT Sat Apr 24 2021
ALC117-242342-
/O.CAN.KBMX.SV.W.0078.000000T0000Z-210425T0000Z/
Shelby AL-
632 PM CDT Sat Apr 24 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN SHELBY COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 900 PM CDT for
east central Alabama.
LAT...LON 3349 8557 3349 8564 3343 8565 3321 8599
3315 8631 3348 8605 3353 8592 3392 8539
3369 8535
TIME...MOT...LOC 2332Z 266DEG 45KT 3382 8550 3321 8613
$$
ALC015-027-029-121-250000-
/O.CON.KBMX.SV.W.0078.000000T0000Z-210425T0000Z/
Talladega AL-Calhoun AL-Cleburne AL-Clay AL-
632 PM CDT Sat Apr 24 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR CENTRAL TALLADEGA...SOUTHEASTERN CALHOUN...CLEBURNE AND NORTHERN
CLAY COUNTIES...
At 632 PM CDT, severe thunderstorms were located along a line
extending from 6 miles west of Mars Hills to near Sycamore, 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...
Anniston, Oxford, Talladega, Sylacauga, Heflin, Munford, Fruithurst,
Waldo, Edwardsville, Muscadine, Abernathy, Sycamore, Delta, Mars
Hills, Mount Cheaha, Coleman Lake And Campground, Choccolocco, Lake
Cleburne, Camp Mac and Ironaton.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Birmingham.
&&
LAT...LON 3349 8557 3349 8564 3343 8565 3321 8599
3315 8631 3348 8605 3353 8592 3392 8539
3369 8535
TIME...MOT...LOC 2332Z 266DEG 45KT 3382 8550 3321 8613
HAIL...1.00IN
WIND...60MPH
$$
32/Davis826
WWUS54 KBMX 242339
SVSBMX
Severe Weather Statement
National Weather Service Birmingham AL
639 PM CDT Sat Apr 24 2021
ALC015-121-242349-
/O.CAN.KBMX.SV.W.0078.000000T0000Z-210425T0000Z/
Talladega AL-Calhoun AL-
639 PM CDT Sat Apr 24 2021
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL TALLADEGA AND
SOUTHEASTERN CALHOUN COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 900 PM CDT for
east central Alabama.
LAT...LON 3349 8557 3349 8564 3343 8565 3321 8599
3318 8616 3320 8614 3320 8612 3322 8612
3330 8605 3330 8598 3338 8598 3338 8594
3340 8594 3340 8592 3344 8592 3345 8591
3356 8554 3372 8542 3369 8535
TIME...MOT...LOC 2339Z 283DEG 49KT 3359 8539 3322 8604
$$
ALC027-029-250000-
/O.CON.KBMX.SV.W.0078.000000T0000Z-210425T0000Z/
Cleburne AL-Clay AL-
639 PM CDT Sat Apr 24 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR SOUTHEASTERN CLEBURNE AND NORTHERN CLAY COUNTIES...
At 639 PM CDT, severe thunderstorms were located along a line
extending from near Abernathy to 9 miles northeast of Parkdale,
moving east at 55 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...
Abernathy, Delta, Hollis Crossroads, Camp Sequoyah, Gunthertown and I
20 Welcome Center.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Birmingham.
&&
LAT...LON 3349 8557 3349 8564 3343 8565 3321 8599
3318 8616 3320 8614 3320 8612 3322 8612
3330 8605 3330 8598 3338 8598 3338 8594
3340 8594 3340 8592 3344 8592 3345 8591
3356 8554 3372 8542 3369 8535
TIME...MOT...LOC 2339Z 283DEG 49KT 3359 8539 3322 8604
HAIL...1.00IN
WIND...60MPH
$$
32/Davis260
WWUS54 KBMX 242352
SVSBMX
Severe Weather Statement
National Weather Service Birmingham AL
652 PM CDT Sat Apr 24 2021
ALC027-029-250002-
/O.EXP.KBMX.SV.W.0078.000000T0000Z-210425T0000Z/
Cleburne AL-Clay AL-
652 PM CDT Sat Apr 24 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CLEBURNE AND
NORTHERN CLAY COUNTIES WILL EXPIRE AT 700 PM CDT...
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire.
A Severe Thunderstorm Watch remains in effect until 900 PM CDT for
east central Alabama.
Remember, a Severe Thunderstorm Warning still remains in effect for
eastern Clay County.
LAT...LON 3349 8557 3349 8564 3343 8565 3321 8599
3318 8616 3320 8614 3320 8612 3322 8612
3330 8605 3330 8598 3338 8598 3338 8594
3340 8594 3340 8592 3344 8592 3345 8591
3356 8554 3372 8542 3369 8535
TIME...MOT...LOC 2352Z 262DEG 46KT 3361 8521 3324 8586
$$
32/DavisThe 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, 6:12 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 |
| Apr 24, 6:48 PM CDT | Severe Thunderstorm Warning | BMX | Chambers, Clay, Randolph, Tallapoosa | 57 min |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.