Alert archive / Alabama / Tornado Warnings in 2021
Tornado Warning 61, NWS Birmingham, AL
NWS Birmingham, AL issued this tornado warning at Mar 25, 2021, 5:05 PM CDT for Chilton County, Shelby County, Alabama. It was in force for 55 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
- Mar 25, 2021, 5:05 PM CDT (22:05 UTC)
- Expired
- Mar 25, 2021, 6:00 PM CDT
- In force
- 55 min
- Issued by
- NWS Birmingham, AL
- Area
- Storm-based polygon
- Emergency
- Tornado emergency
- Tornado
- Observed
- Damage threat
- Considerable
- Hail
- 0.75 in
Counties Chilton County, AL, Shelby County, AL
The radar
The Birmingham radar (KBMX), 16 km from the middle of the area, began a volume at 22:09 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, 5:42 PM CDT | TORNADO | 2 Se Calera, AL | TREES DOWN ALONG THE INTERSTATE NEAR MM229. REPORTED BY OFF DUTY NWS EMPLOYEE. |
| Mar 25, 5:56 PM CDT | TORNADO | Columbiana, AL | REPORT OF HOMES DAMAGED IN COLUMBIANA. RELAYED BY MEDIA. |
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, 10.1 hours before the alert went out and 17 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.
674
WFUS54 KBMX 252205
TORBMX
ALC021-117-252300-
/O.NEW.KBMX.TO.W.0061.210325T2205Z-210325T2300Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Birmingham AL
505 PM CDT Thu Mar 25 2021
The National Weather Service in Birmingham has issued a
* Tornado Warning for...
North central Chilton County in central Alabama...
Southern Shelby County in central Alabama...
* Until 600 PM CDT.
* At 505 PM CDT, a confirmed large and extremely dangerous tornado
was located over Harrisburg, or near Brent, moving east at 50 mph.
This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!
HAZARD...Damaging tornado.
SOURCE...Radar confirmed tornado.
IMPACT...You are in a life-threatening situation. Flying debris
may be deadly to those caught without shelter. Mobile
homes will be destroyed. Considerable damage to homes,
businesses, and vehicles is likely and complete
destruction is possible.
* Locations impacted include...
Calera, Montevallo, Columbiana, Jemison, Wilsonville, Wilton,
University Of Montevallo, Lay Lake, American Village, Shelby,
Minooka Park, Beeswax Creek Park, Alabama 4H Center, Waxahatchee
Creek, Highway 145 and CR 46, Kelley Branch, Spring Creek, Gaston
Steam Plant and Shelby Shores.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a large, extremely dangerous and potentially deadly
tornado is on the ground. To protect your life, 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 3328 8641 3327 8640 3327 8643 3324 8644
3324 8646 3320 8646 3320 8649 3318 8650
3312 8646 3309 8651 3307 8651 3306 8652
3300 8652 3291 8688 3305 8688 3306 8693
3308 8693 3309 8695 3310 8694
TIME...MOT...LOC 2205Z 248DEG 45KT 3290 8720
TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...<.75IN
$$
32/Davis4 follow-up statements
053
WWUS54 KBMX 252221
SVSBMX
Severe Weather Statement
National Weather Service Birmingham AL
521 PM CDT Thu Mar 25 2021
ALC021-117-252300-
/O.CON.KBMX.TO.W.0061.000000T0000Z-210325T2300Z/
Chilton AL-Shelby AL-
521 PM CDT Thu Mar 25 2021
...TORNADO EMERGENCY FOR MONTEVALLO, WILTON, AND CALERA...
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR NORTH
CENTRAL CHILTON AND SOUTHERN SHELBY COUNTIES...
At 520 PM CDT, a confirmed large and destructive tornado was located
near Ashby, or 8 miles east of Centreville, moving east at 50 mph.
TORNADO EMERGENCY for MONTEVALLO, WILTON, and CALERA. This is a
PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!
HAZARD...Deadly tornado.
SOURCE...Radar confirmed tornado.
IMPACT...You are in a life-threatening situation. Flying debris may
be deadly to those caught without shelter. Mobile homes
will be destroyed. Considerable damage to homes,
businesses, and vehicles is likely and complete destruction
is possible.
Locations impacted include...
Calera, Montevallo, Columbiana, Jemison, Wilsonville, Wilton,
University Of Montevallo, Lay Lake, American Village, Shelby, Minooka
Park, Beeswax Creek Park, Alabama 4H Center, Waxahatchee Creek,
Highway 145 and CR 46, Kelley Branch, Spring Creek, Gaston Steam
Plant and Shelby Shores.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a large, extremely dangerous, and potentially deadly
tornado is on the ground. To protect your life, TAKE COVER NOW! Move
to an interior room on the lowest floor of a sturdy building. Avoid
windows. If in a mobile home, a vehicle or outdoors, move to the
closest substantial shelter and protect yourself from flying debris.
&&
LAT...LON 3328 8641 3327 8640 3327 8643 3324 8644
3324 8646 3320 8646 3320 8649 3318 8650
3312 8646 3309 8651 3307 8651 3306 8652
3300 8652 3293 8688 3305 8688 3306 8693
3308 8693 3309 8695 3310 8694
TIME...MOT...LOC 2220Z 248DEG 45KT 3297 8698
TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CATASTROPHIC
HAIL...<.75IN
$$
32/Davis658
WWUS54 KBMX 252232
SVSBMX
Severe Weather Statement
National Weather Service Birmingham AL
532 PM CDT Thu Mar 25 2021
ALC021-117-252300-
/O.CON.KBMX.TO.W.0061.000000T0000Z-210325T2300Z/
Chilton AL-Shelby AL-
532 PM CDT Thu Mar 25 2021
...TORNADO EMERGENCY FOR MONTEVALLO, WILTON, and CALERA...
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR NORTH
CENTRAL CHILTON AND SOUTHEASTERN SHELBY COUNTIES...
At 532 PM CDT, a confirmed large and destructive tornado was located
over Brierfield Ironworks Park, or near Montevallo, moving northeast
at 50 mph.
TORNADO EMERGENCY for MONTEVALLO, WILTON, and CALERA. This is a
PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!
HAZARD...Deadly tornado.
SOURCE...Radar confirmed tornado.
IMPACT...You are in a life-threatening situation. Flying debris may
be deadly to those caught without shelter. Mobile homes
will be destroyed. Considerable damage to homes,
businesses, and vehicles is likely and complete destruction
is possible.
Locations impacted include...
Calera, Montevallo, Columbiana, Wilsonville, Wilton, University Of
Montevallo, Lay Lake, Shelby, Minooka Park, Beeswax Creek Park,
Alabama 4H Center, Highway 145 and CR 46, Kelley Branch, Spring
Creek, Gaston Steam Plant and Shelby Shores.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a large, extremely dangerous, and potentially deadly
tornado is on the ground. To protect your life, TAKE COVER NOW! Move
to an interior room on the lowest floor of a sturdy building. Avoid
windows. If in a mobile home, a vehicle or outdoors, move to the
closest substantial shelter and protect yourself from flying debris.
&&
LAT...LON 3328 8641 3327 8640 3327 8643 3324 8644
3324 8646 3320 8646 3320 8649 3318 8650
3312 8646 3309 8651 3307 8651 3306 8652
3305 8654 3298 8688 3305 8688 3306 8691
3308 8691 3310 8690
TIME...MOT...LOC 2232Z 246DEG 42KT 3303 8687
TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CATASTROPHIC
HAIL...<.75IN
$$
32/Davis262
WWUS54 KBMX 252241
SVSBMX
Severe Weather Statement
National Weather Service Birmingham AL
541 PM CDT Thu Mar 25 2021
ALC021-117-252300-
/O.CON.KBMX.TO.W.0061.000000T0000Z-210325T2300Z/
Chilton AL-Shelby AL-
541 PM CDT Thu Mar 25 2021
...TORNADO EMERGENCY FOR CALERA...
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR NORTH
CENTRAL CHILTON AND SOUTHEASTERN SHELBY COUNTIES...
At 540 PM CDT, a confirmed large and destructive tornado was located
over Calera, moving east at 50 mph.
TORNADO EMERGENCY for CALERA. This is a PARTICULARLY DANGEROUS
SITUATION. TAKE COVER NOW!
HAZARD...Deadly tornado.
SOURCE...Radar confirmed tornado.
IMPACT...You are in a life-threatening situation. Flying debris may
be deadly to those caught without shelter. Mobile homes
will be destroyed. Considerable damage to homes,
businesses, and vehicles is likely and complete destruction
is possible.
Locations impacted include...
Calera, Montevallo, Columbiana, Wilsonville, Lay Lake, Shelby,
Minooka Park, Beeswax Creek Park, Alabama 4H Center, Highway 145 and
CR 46, Kelley Branch, Spring Creek, Gaston Steam Plant and Shelby
Shores.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a large, extremely dangerous, and potentially deadly
tornado is on the ground. To protect your life, TAKE COVER NOW! Move
to an interior room on the lowest floor of a sturdy building. Avoid
windows. If in a mobile home, a vehicle or outdoors, move to the
closest substantial shelter and protect yourself from flying debris.
&&
LAT...LON 3328 8641 3327 8640 3327 8643 3324 8644
3324 8646 3320 8646 3320 8649 3318 8650
3312 8646 3309 8651 3307 8651 3306 8652
3305 8654 3303 8678 3306 8685 3312 8685
TIME...MOT...LOC 2240Z 248DEG 45KT 3307 8675
TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CATASTROPHIC
HAIL...<.75IN
$$
32/Davis259
WWUS54 KBMX 252248
SVSBMX
Severe Weather Statement
National Weather Service Birmingham AL
548 PM CDT Thu Mar 25 2021
ALC021-252257-
/O.CAN.KBMX.TO.W.0061.000000T0000Z-210325T2300Z/
Chilton AL-
548 PM CDT Thu Mar 25 2021
...THE TORNADO WARNING FOR NORTH CENTRAL CHILTON 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
east central Alabama.
LAT...LON 3328 8641 3327 8640 3327 8643 3324 8644
3324 8646 3320 8646 3320 8649 3318 8650
3312 8646 3309 8651 3309 8654 3307 8673
3311 8674 3316 8673
TIME...MOT...LOC 2247Z 245DEG 39KT 3310 8671
$$
ALC117-252300-
/O.CON.KBMX.TO.W.0061.000000T0000Z-210325T2300Z/
Shelby AL-
548 PM CDT Thu Mar 25 2021
...TORNADO EMERGENCY FOR COLUMBIANA...
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR
SOUTHEASTERN SHELBY COUNTY...
At 547 PM CDT, a confirmed large and destructive tornado was located
over Calera, moving northeast at 45 mph.
TORNADO EMERGENCY for COLUMBIANA and other locations in south-
central and southeastern Shelby County. This is a PARTICULARLY
DANGEROUS SITUATION. TAKE COVER NOW!
HAZARD...Deadly tornado.
SOURCE...Radar confirmed tornado.
IMPACT...You are in a life-threatening situation. Flying debris may
be deadly to those caught without shelter. Mobile homes
will be destroyed. Considerable damage to homes,
businesses, and vehicles is likely and complete destruction
is possible.
Locations impacted include...
Calera, Columbiana, Wilsonville, Lay Lake, Shelby, Beeswax Creek
Park, Alabama 4H Center, Gaston Steam Plant, Kelley Branch and Shelby
Shores.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a large, extremely dangerous, and potentially deadly
tornado is on the ground. To protect your life, TAKE COVER NOW! Move
to an interior room on the lowest floor of a sturdy building. Avoid
windows. If in a mobile home, a vehicle or outdoors, move to the
closest substantial shelter and protect yourself from flying debris.
&&
LAT...LON 3328 8641 3327 8640 3327 8643 3324 8644
3324 8646 3320 8646 3320 8649 3318 8650
3312 8646 3309 8651 3309 8654 3307 8673
3311 8674 3316 8673
TIME...MOT...LOC 2247Z 245DEG 39KT 3310 8671
TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CATASTROPHIC
HAIL...<.75IN
$$
32/DavisThe 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, 3:44 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, 5:16 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.