Alert archive / Alabama / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 18, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Mar 25, 2021, 12:03 PM CDT for 6 counties in Alabama. It was in force for 72 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
- Mar 25, 2021, 12:03 PM CDT (17:03 UTC)
- Expired
- Mar 25, 2021, 1:15 PM CDT
- In force
- 72 min
- Issued by
- NWS Birmingham, AL
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 60.0 mph
Counties Blount County, AL, Calhoun County, AL, Etowah County, AL, Jefferson County, AL, St. Clair County, AL, Talladega County, AL
The radar
The Birmingham radar (KBMX), 117 km from the middle of the area, began a volume at 17:06 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 |
|---|---|---|---|
| Mar 25, 1:07 PM CDT | TORNADO | 3 Wnw Riverside, AL | NUMEROUS TREES UPROOTED AND POWER LINES DOWNED ON OLD COAL CITY ROAD. |
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 |
|---|---|---|---|
| Mar 25, 11:26 AM CDT | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 5.1 hours before the alert went out and 117 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
- 54 J/kg
- Mixed-layer CIN
- -239 J/kg
- Mixed-layer LCL
- 507 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 613 m²/s²
- 0-3 km storm-relative helicity
- 713 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.6
The text
As transmitted.
500
WUUS54 KBMX 251703
SVRBMX
ALC009-015-055-073-115-121-251815-
/O.NEW.KBMX.SV.W.0018.210325T1703Z-210325T1815Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Birmingham AL
1203 PM CDT Thu Mar 25 2021
The National Weather Service in Birmingham has issued a
* Severe Thunderstorm Warning for...
Northeastern Talladega County in east central Alabama...
Southeastern Blount County in central Alabama...
Calhoun County in east central Alabama...
Etowah County in northeastern Alabama...
Northeastern Jefferson County in central Alabama...
St. Clair County in central Alabama...
* Until 115 PM CDT.
* At 1202 PM CDT, a severe thunderstorm was located near Center
Point, or near Gardendale, moving east at 60 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...
Gadsden, Anniston, Oxford, Trussville, Pell City, Jacksonville,
Leeds, Moody, Rainbow City, Oneonta, Attalla, Piedmont, Hokes
Bluff, Springville, Odenville, West End-Cobb Town, Cobb Town, Fort
McClellan, Saks and Clay.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 800 PM CDT for central,
northeastern and east central Alabama.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3411 8584 3412 8579 3410 8580 3397 8574
3396 8555 3389 8553 3388 8564 3385 8564
3384 8559 3380 8559 3377 8564 3365 8564
3363 8566 3360 8574 3356 8575 3356 8579
3354 8580 3357 8664 3391 8664 3417 8584
TIME...MOT...LOC 1702Z 248DEG 53KT 3365 8674
HAIL...1.25IN
WIND...60MPH
$$
25/Owen3 follow-up statements
370
WWUS54 KBMX 251718 RRA
SVSBMX
Severe Weather Statement
National Weather Service Birmingham AL
1218 PM CDT Thu Mar 25 2021
ALC073-251728-
/O.CAN.KBMX.SV.W.0018.000000T0000Z-210325T1815Z/
Jefferson AL-
1218 PM CDT Thu Mar 25 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN JEFFERSON COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 800 PM CDT for central,
northeastern and east central Alabama.
LAT...LON 3411 8584 3412 8579 3410 8580 3397 8574
3396 8555 3389 8553 3388 8564 3385 8564
3384 8559 3380 8559 3377 8564 3365 8564
3363 8566 3363 8569 3360 8574 3363 8654
3366 8653 3372 8653 3395 8651 3417 8584
TIME...MOT...LOC 1718Z 248DEG 53KT 3374 8647
$$
ALC009-015-055-115-121-251815-
/O.CON.KBMX.SV.W.0018.000000T0000Z-210325T1815Z/
Talladega AL-Blount AL-Calhoun AL-Etowah AL-St. Clair AL-
1218 PM CDT Thu Mar 25 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 PM CDT
FOR NORTH CENTRAL TALLADEGA...SOUTHEASTERN BLOUNT...CALHOUN...ETOWAH
AND ST. CLAIR COUNTIES...
At 1218 PM CDT, a severe thunderstorm was located over Springville,
moving east at 60 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...
Gadsden, Anniston, Oxford, Jacksonville, Moody, Rainbow City,
Oneonta, Attalla, Piedmont, Hokes Bluff, Springville, Odenville, West
End-Cobb Town, Cobb Town, Fort McClellan, Saks, Lincoln, Glencoe,
Margaret and Argo.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 800 PM CDT for central,
northeastern and east central Alabama.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3411 8584 3412 8579 3410 8580 3397 8574
3396 8555 3389 8553 3388 8564 3385 8564
3384 8559 3380 8559 3377 8564 3365 8564
3363 8566 3363 8569 3360 8574 3363 8654
3366 8653 3372 8653 3395 8651 3417 8584
TIME...MOT...LOC 1718Z 248DEG 53KT 3374 8647
HAIL...1.25IN
WIND...60MPH
$$
25/Owen567
WWUS54 KBMX 251735
SVSBMX
Severe Weather Statement
National Weather Service Birmingham AL
1235 PM CDT Thu Mar 25 2021
ALC009-121-251745-
/O.CAN.KBMX.SV.W.0018.000000T0000Z-210325T1815Z/
Talladega AL-Blount AL-
1235 PM CDT Thu Mar 25 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL TALLADEGA AND
SOUTHEASTERN BLOUNT COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 800 PM CDT for central,
northeastern and east central Alabama.
LAT...LON 3411 8584 3412 8579 3410 8580 3397 8574
3396 8555 3389 8553 3388 8564 3385 8564
3384 8559 3380 8559 3379 8562 3371 8569
3368 8617 3370 8619 3369 8620 3368 8620
3367 8629 3404 8625 3417 8584
TIME...MOT...LOC 1735Z 248DEG 53KT 3383 8619
$$
ALC015-055-115-251815-
/O.CON.KBMX.SV.W.0018.000000T0000Z-210325T1815Z/
Calhoun AL-Etowah AL-St. Clair AL-
1235 PM CDT Thu Mar 25 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 PM CDT
FOR CALHOUN...ETOWAH AND NORTHEASTERN ST. CLAIR COUNTIES...
At 1235 PM CDT, a severe thunderstorm was located near Ashville, or
11 miles southwest of Rainbow City, moving east at 60 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...
Gadsden, Anniston, Jacksonville, Rainbow City, Attalla, Piedmont,
Hokes Bluff, Fort McClellan, Saks, Glencoe, Weaver, Ashville,
Ragland, Ohatchee, Steele, Reece City, Alexandria, Jacksonville State
University, Ballplay and Gadsden Mall.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 800 PM CDT for central,
northeastern and east central Alabama.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3411 8584 3412 8579 3410 8580 3397 8574
3396 8555 3389 8553 3388 8564 3385 8564
3384 8559 3380 8559 3379 8562 3371 8569
3368 8617 3370 8619 3369 8620 3368 8620
3367 8629 3404 8625 3417 8584
TIME...MOT...LOC 1735Z 248DEG 53KT 3383 8619
HAIL...1.25IN
WIND...60MPH
$$
25/Owen467
WWUS54 KBMX 251748
SVSBMX
Severe Weather Statement
National Weather Service Birmingham AL
1248 PM CDT Thu Mar 25 2021
ALC115-251757-
/O.CAN.KBMX.SV.W.0018.000000T0000Z-210325T1815Z/
St. Clair AL-
1248 PM CDT Thu Mar 25 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN ST. CLAIR COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 800 PM CDT for central,
northeastern and east central Alabama.
LAT...LON 3411 8584 3412 8579 3410 8580 3397 8574
3396 8555 3389 8553 3388 8564 3385 8564
3384 8559 3380 8559 3375 8570 3375 8606
3376 8606 3377 8604 3379 8606 3411 8603
3417 8584
TIME...MOT...LOC 1747Z 248DEG 53KT 3390 8598
$$
ALC015-055-251815-
/O.CON.KBMX.SV.W.0018.000000T0000Z-210325T1815Z/
Calhoun AL-Etowah AL-
1248 PM CDT Thu Mar 25 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 PM CDT
FOR NORTHERN CALHOUN AND EASTERN ETOWAH COUNTIES...
At 1247 PM CDT, a severe thunderstorm was located near Glencoe, or
near Rainbow City, moving east at 60 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Gadsden, Jacksonville, Rainbow City, Piedmont, Hokes Bluff, Glencoe,
Weaver, Ohatchee, Reece City, Alexandria, Jacksonville State
University, Ballplay, Gadsden Mall, Noccalula Falls, Neely Henry
Lake, Southside, Gadsden Steam Plant, Cobb City, Sulphur Springs and
Gadsden Water Works.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 800 PM CDT for central,
northeastern and east central Alabama.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3411 8584 3412 8579 3410 8580 3397 8574
3396 8555 3389 8553 3388 8564 3385 8564
3384 8559 3380 8559 3375 8570 3375 8606
3376 8606 3377 8604 3379 8606 3411 8603
3417 8584
TIME...MOT...LOC 1747Z 248DEG 53KT 3390 8598
HAIL...0.88IN
WIND...60MPH
$$
25/OwenThe office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 24, 10:58 PM CDT | Wind Advisory | BMX | Autauga, Barbour, Bibb, Blount, Bullock, Calhoun and 33 more | 24 hr |
| Mar 25, 1:43 AM CDT | Special Weather Statement | BMX | Pike | 47 min |
| Mar 25, 4:54 AM CDT | Special Weather Statement | BMX | Lee | 36 min |
| Mar 25, 7:45 AM CDT | Special Weather Statement | BMX | Marengo | 45 min |
| Mar 25, 7:48 AM CDT | Special Weather Statement | BMX | Tuscaloosa | 42 min |
| Mar 25, 8:46 AM CDT | Special Weather Statement | BMX | Jefferson, Tuscaloosa | 44 min |
| Mar 25, 8:53 AM CDT | Special Weather Statement | BMX | Marshall | 22 min |
| Mar 25, 9:19 AM CDT | Special Weather Statement | BMX | Blount | 41 min |
| Mar 25, 9:24 AM CDT | Areal Flood Advisory | BMX | Fayette, Walker, Winston | 3 hr |
| Mar 25, 9:28 AM CDT | Special Weather Statement | BMX | Jefferson | 47 min |
| Mar 25, 9:58 AM CDT | Severe Thunderstorm Warning | BMX | Jefferson, St. Clair | 32 min |
| Mar 25, 10:12 AM CDT | Areal Flood Advisory | BMX | Blount, Jefferson | 3 hr |
| Mar 25, 10:18 AM CDT | Severe Thunderstorm Warning | BMX | St. Clair | 13 min |
| Mar 25, 10:28 AM CDT | Special Weather Statement | BMX | Calhoun, Etowah, St. Clair | 47 min |
| Mar 25, 10:53 AM CDT | Special Weather Statement | BMX | Jefferson, Tuscaloosa, Walker | 37 min |
| Mar 25, 11:14 AM CDT | Severe Thunderstorm Warning | BMX | Blount, Jefferson, St. Clair, Walker | 61 min |
| Mar 25, 11:19 AM CDT | Severe Thunderstorm Warning | BMX | Calhoun, Cherokee, Cleburne | 15 min |
| Mar 25, 11:36 AM CDT | Tornado Warning | BMX | Greene, Hale | 54 min |
| Mar 25, 12:11 PM CDT | Tornado Warning | BMX | Bibb, Tuscaloosa | 64 min |
| Mar 25, 12:45 PM CDT | Special Weather Statement | BMX | Cherokee | 60 min |
| Mar 25, 12:47 PM CDT | Flash Flood Warning | BMX | Cherokee, Etowah | 6 hr |
| Mar 25, 12:53 PM CDT | Tornado Warning | BMX | Jefferson, Shelby | 67 min |
| Mar 25, 12:54 PM CDT | Areal Flood Advisory | BMX | Jefferson, St. Clair | 4 hr |
| Mar 25, 1:28 PM CDT | Tornado Warning | BMX | Pickens | 43 min |
| Mar 25, 1:46 PM CDT | Tornado Warning | BMX | St. Clair, Shelby, Talladega | 59 min |
| Mar 25, 1:57 PM CDT | Flash Flood Warning | BMX | Blount, Jefferson, St. Clair | 9 hr |
| Mar 25, 2:23 PM CDT | Tornado Warning | BMX | Calhoun | 67 min |
| Mar 25, 2:32 PM CDT | Flash Flood Warning | BMX | Fayette, Jefferson, Lamar, Marion, Pickens, Tuscaloosa and 2 more | 4 hr |
| Mar 25, 2:45 PM CDT | Tornado Warning | BMX | Fayette, Tuscaloosa, Walker | 15 min |
| Mar 25, 2:58 PM CDT | Tornado Warning | BMX | Cherokee, Etowah | 45 min |
| Mar 25, 3:11 PM CDT | Tornado Warning | BMX | Sumter | 37 min |
| Mar 25, 3:35 PM CDT | Tornado Warning | BMX | Greene | 55 min |
| Mar 25, 3:37 PM CDT | Tornado Warning | BMX | Sumter | 53 min |
| Mar 25, 3:44 PM CDT | Tornado Warning | BMX | Blount, Jefferson | 25 min |
| Mar 25, 3:59 PM CDT | Tornado Warning | BMX | Greene, Hale | 61 min |
| Mar 25, 4:10 PM CDT | Tornado Warning | BMX | Hale, Tuscaloosa | 10 min |
| Mar 25, 4:27 PM CDT | Special Weather Statement | BMX | Jefferson | 33 min |
| Mar 25, 4:33 PM CDT | Tornado Warning | BMX | Bibb, Perry | 57 min |
| Mar 25, 4:45 PM CDT | Tornado Warning | BMX | Jefferson | 18 min |
| Mar 25, 4:48 PM CDT | Special Weather Statement | BMX | Walker | 27 min |
| Mar 25, 4:55 PM CDT | Tornado Warning | BMX | St. Clair | 41 min |
| Mar 25, 5:05 PM CDT | Tornado Warning | BMX | Chilton, Shelby | 55 min |
| Mar 25, 5:16 PM CDT | Tornado Warning | BMX | Bibb | 29 min |
| Mar 25, 5:24 PM CDT | Tornado Warning | BMX | Calhoun, Etowah | 28 min |
| Mar 25, 5:29 PM CDT | Areal Flood Advisory | BMX | Chilton, Coosa, Shelby, Talladega | 21 min |
| Mar 25, 5:50 PM CDT | Flash Flood Warning | BMX | Chilton, Coosa, Shelby, Talladega | 100 min |
| Mar 25, 5:50 PM CDT | Tornado Warning | BMX | Shelby, Talladega | 23 min |
| Mar 25, 6:03 PM CDT | Special Weather Statement | BMX | Greene | 27 min |
| Mar 25, 6:15 PM CDT | Special Weather Statement | BMX | Fayette | 30 min |
| Mar 25, 6:30 PM CDT | Areal Flood Warning | BMX | Cherokee | 3 days |
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.