Alert archive / Alabama / Tornado Warnings in 2021
Tornado Warning 55, NWS Birmingham, AL
NWS Birmingham, AL issued this tornado warning at Mar 25, 2021, 3:44 PM CDT for Blount County, Jefferson County, Alabama. It was in force for 25 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
- Mar 25, 2021, 3:44 PM CDT (20:44 UTC)
- Expired
- Mar 25, 2021, 4:09 PM CDT
- In force
- 25 min
- Issued by
- NWS Birmingham, AL
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Blount County, AL, Jefferson County, AL
The radar
The Birmingham radar (KBMX), 100 km from the middle of the area, began a volume at 20:43 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.
| 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, 8.7 hours before the alert went out and 99 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.
117
WFUS54 KBMX 252044
TORBMX
ALC009-073-252145-
/O.NEW.KBMX.TO.W.0055.210325T2044Z-210325T2145Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Birmingham AL
344 PM CDT Thu Mar 25 2021
The National Weather Service in Birmingham has issued a
* Tornado Warning for...
Blount County in central Alabama...
Northern Jefferson County in central Alabama...
* Until 445 PM CDT.
* At 343 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Warrior, or 11 miles north of Gardendale, moving
northeast at 60 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.
* Locations impacted include...
Oneonta, Blountsville, Cleveland, Dallas, Warrior, Kimberly, Locust
Fork, Altoona, Snead, Susan Moore, Walnut Grove, Trafford, Allgood,
Fairview, Hayden, Nectar, Rosa, County Line, McLarty and Bangor.
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 3410 8630 3405 8633 3399 8633 3375 8687
3384 8694 3395 8684 3395 8679 3403 8672
3403 8670 3406 8671 3405 8668 3408 8670
3409 8669 3408 8669 3412 8663 3412 8660
3419 8655 3420 8655 3425 8652 3426 8645
TIME...MOT...LOC 2043Z 236DEG 51KT 3382 8684
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
25/Owen3 follow-up statements
483
WWUS54 KBMX 252051 RRA
SVSBMX
Severe Weather Statement
National Weather Service Birmingham AL
351 PM CDT Thu Mar 25 2021
ALC073-252100-
/O.CAN.KBMX.TO.W.0055.000000T0000Z-210325T2145Z/
Jefferson AL-
351 PM CDT Thu Mar 25 2021
...THE TORNADO WARNING FOR NORTHERN JEFFERSON COUNTY IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 800 PM CDT for central and
northeastern Alabama.
LAT...LON 3410 8630 3405 8633 3399 8633 3382 8672
3384 8676 3384 8686 3395 8684 3395 8679
3403 8672 3403 8670 3405 8671 3409 8669
3408 8669 3409 8666 3412 8663 3412 8660
3419 8655 3420 8655 3425 8652 3426 8645
TIME...MOT...LOC 2050Z 236DEG 51KT 3388 8673
$$
ALC009-252145-
/O.CON.KBMX.TO.W.0055.000000T0000Z-210325T2145Z/
Blount AL-
351 PM CDT Thu Mar 25 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM CDT FOR BLOUNT
COUNTY...
At 350 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Hayden, or 12 miles southwest of Cleveland, moving
northeast at 60 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.
Locations impacted include...
Oneonta, Blountsville, Cleveland, Dallas, Locust Fork, Altoona,
Snead, Susan Moore, Walnut Grove, Trafford, Allgood, Fairview,
Hayden, Nectar, Rosa, County Line, McLarty, Bangor, Strawberry and
Blount Springs.
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 3410 8630 3405 8633 3399 8633 3382 8672
3384 8676 3384 8686 3395 8684 3395 8679
3403 8672 3403 8670 3405 8671 3409 8669
3408 8669 3409 8666 3412 8663 3412 8660
3419 8655 3420 8655 3425 8652 3426 8645
TIME...MOT...LOC 2050Z 236DEG 51KT 3388 8673
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
25/Owen508
WWUS54 KBMX 252102
SVSBMX
Severe Weather Statement
National Weather Service Birmingham AL
402 PM CDT Thu Mar 25 2021
ALC009-252145-
/O.CON.KBMX.TO.W.0055.000000T0000Z-210325T2145Z/
Blount AL-
402 PM CDT Thu Mar 25 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM CDT FOR EASTERN
BLOUNT COUNTY...
At 402 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Nectar, or near Cleveland, moving northeast at 50
mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Oneonta, Blountsville, Cleveland, Locust Fork, Snead, Susan Moore,
Walnut Grove, Fairview, Nectar, Rosa, McLarty, Bangor, Strawberry,
Brooksville, Easley, Chamblees Mill, Fowler Spring and Hendrix.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3410 8630 3405 8633 3398 8642 3387 8665
3390 8670 3395 8679 3403 8672 3403 8670
3405 8671 3409 8669 3408 8669 3409 8666
3412 8663 3412 8660 3419 8655 3420 8655
3425 8652 3426 8645
TIME...MOT...LOC 2102Z 234DEG 44KT 3395 8662
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
25/Owen540
WWUS54 KBMX 252109
SVSBMX
Severe Weather Statement
National Weather Service Birmingham AL
409 PM CDT Thu Mar 25 2021
ALC009-252119-
/O.CAN.KBMX.TO.W.0055.000000T0000Z-210325T2145Z/
Blount AL-
409 PM CDT Thu Mar 25 2021
...THE TORNADO WARNING FOR EASTERN BLOUNT COUNTY IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 800 PM CDT for central and
northeastern Alabama.
LAT...LON 3410 8630 3405 8633 3398 8642 3387 8665
3390 8670 3395 8679 3403 8672 3403 8670
3405 8671 3409 8669 3408 8669 3409 8666
3412 8663 3412 8660 3419 8655 3420 8655
3425 8652 3426 8645
TIME...MOT...LOC 2107Z 236DEG 51KT 3401 8652
$$
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, 12:03 PM CDT | Severe Thunderstorm Warning | BMX | Blount, Calhoun, Etowah, Jefferson, St. Clair, Talladega | 72 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, 3:59 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
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.