Alert archive / Alabama / Tornado Warnings in 2021
Tornado Warning 2, NWS Birmingham, AL
NWS Birmingham, AL issued this tornado warning at Jan 25, 2021, 10:49 PM CST for St. Clair County, Alabama. It was in force for 41 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
- Jan 25, 2021, 10:49 PM CST (04:49 UTC)
- Expired
- Jan 25, 2021, 11:30 PM CST
- In force
- 41 min
- Issued by
- NWS Birmingham, AL
- Area
- Storm-based polygon
- Tornado
- Observed
- Hail
- 0.75 in
County St. Clair County, AL
The radar
The Birmingham radar (KBMX), 76 km from the middle of the area, began a volume at 04:49 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 |
|---|---|---|---|
| Jan 25, 5:52 PM CST | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 00:00Z, 4.8 hours before the alert went out and 75 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
- 232 J/kg
- Mixed-layer CIN
- -87 J/kg
- Mixed-layer LCL
- 913 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 371 m²/s²
- 0-3 km storm-relative helicity
- 501 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 1.0
The text
As transmitted.
077
WFUS54 KBMX 260449
TORBMX
ALC115-260530-
/O.NEW.KBMX.TO.W.0002.210126T0449Z-210126T0530Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Birmingham AL
1049 PM CST Mon Jan 25 2021
The National Weather Service in Birmingham has issued a
* Tornado Warning for...
Northwestern St. Clair County in central Alabama...
* Until 1130 PM CST.
* At 1049 PM CST, a tornado producing storm was located over Center
Point, or near Gardendale, moving northeast at 45 mph.
HAZARD...Damaging tornado.
SOURCE...Radar confirmed tornado.
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...
Springville, Margaret, Argo, Ashville, Whitney Junction, St. Clair
Springs, Caldwell, Horse Pens Forty and I 59 Rest Areas At Oneonta.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a tornado is on the ground. 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 3382 8621 3364 8653 3372 8653 3374 8654
3376 8654 3377 8658 3380 8657 3380 8652
3381 8651 3382 8647 3383 8645 3382 8643
3389 8634 3394 8632
TIME...MOT...LOC 0449Z 240DEG 37KT 3365 8673
TORNADO...OBSERVED
HAIL...<.75IN
$$
32/Davis3 follow-up statements
033
WWUS54 KBMX 260504
SVSBMX
Severe Weather Statement
National Weather Service Birmingham AL
1104 PM CST Mon Jan 25 2021
ALC115-260530-
/O.CON.KBMX.TO.W.0002.000000T0000Z-210126T0530Z/
St. Clair AL-
1104 PM CST Mon Jan 25 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1130 PM CST FOR
NORTHWESTERN ST. CLAIR COUNTY...
At 1103 PM CST, a severe thunderstorm capable of producing a tornado
was located over Clay, or near Trussville, moving east at 40 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Springville, Margaret, Argo, Ashville, Whitney Junction, St. Clair
Springs, Caldwell, Horse Pens Forty and I 59 Rest Areas At Oneonta.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3382 8621 3364 8653 3372 8653 3374 8654
3376 8654 3377 8658 3380 8657 3380 8652
3381 8651 3382 8647 3383 8645 3382 8643
3389 8634 3394 8632
TIME...MOT...LOC 0503Z 250DEG 34KT 3369 8657
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
32/Davis496
WWUS54 KBMX 260513
SVSBMX
Severe Weather Statement
National Weather Service Birmingham AL
1113 PM CST Mon Jan 25 2021
ALC115-260530-
/O.CON.KBMX.TO.W.0002.000000T0000Z-210126T0530Z/
St. Clair AL-
1113 PM CST Mon Jan 25 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1130 PM CST FOR CENTRAL
ST. CLAIR COUNTY...
At 1113 PM CST, a severe thunderstorm capable of producing a tornado
was located over Margaret, or near Odenville, moving east at 45 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...
Springville, Margaret, Argo, Ashville, St. Clair Springs, Caldwell
and I 59 Rest Areas At Oneonta.
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 3366 8649 3372 8652 3373 8650 3378 8643
3382 8641 3384 8636 3387 8630 3382 8621
TIME...MOT...LOC 0513Z 255DEG 38KT 3370 8646
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
32/Davis610
WWUS54 KBMX 260527
SVSBMX
Severe Weather Statement
National Weather Service Birmingham AL
1127 PM CST Mon Jan 25 2021
ALC115-260537-
/O.EXP.KBMX.TO.W.0002.000000T0000Z-210126T0530Z/
St. Clair AL-
1127 PM CST Mon Jan 25 2021
...THE TORNADO WARNING FOR CENTRAL ST. CLAIR COUNTY WILL EXPIRE AT
1130 PM CST...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.
A Tornado Watch remains in effect until 100 AM CST for central
Alabama.
LAT...LON 3366 8649 3372 8652 3373 8650 3378 8643
3382 8641 3384 8636 3387 8630 3382 8621
TIME...MOT...LOC 0527Z 240DEG 37KT 3377 8632
$$
32/DavisThe office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 25, 6:16 PM CST | Special Weather Statement | BMX | Winston | 29 min |
| Jan 25, 6:48 PM CST | Special Weather Statement | BMX | Walker | 27 min |
| Jan 25, 8:03 PM CST | Special Weather Statement | BMX | Pickens | 27 min |
| Jan 25, 9:02 PM CST | Special Weather Statement | BMX | Etowah | 43 min |
| Jan 25, 9:26 PM CST | Special Weather Statement | BMX | Jefferson | 34 min |
| Jan 25, 9:35 PM CST | Special Weather Statement | BMX | Tuscaloosa | 25 min |
| Jan 25, 10:24 PM CST | Special Weather Statement | BMX | Jefferson | 51 min |
| Jan 25, 10:31 PM CST | Special Weather Statement | BMX | Pickens | 44 min |
| Jan 25, 10:34 PM CST | Tornado Warning | BMX | Jefferson | 26 min |
| Jan 25, 10:52 PM CST | Special Weather Statement | BMX | Tuscaloosa | 53 min |
| Jan 25, 10:52 PM CST | Tornado Warning | BMX | Jefferson | 23 min |
| Jan 25, 11:04 PM CST | Severe Thunderstorm Warning | BMX | Pickens | 23 min |
| Jan 25, 11:19 PM CST | Areal Flood Advisory | BMX | Blount, Fayette, Jefferson, Lamar, Pickens, St. Clair and 2 more | 3 hr |
| Jan 25, 11:46 PM CST | Areal Flood Advisory | BMX | Etowah, St. Clair | 3 hr |
| Jan 25, 11:54 PM CST | Special Weather Statement | BMX | Jefferson | 51 min |
| Jan 25, 11:59 PM CST | Special Weather Statement | BMX | Cherokee | 46 min |
| Jan 26, 12:08 AM CST | Tornado Warning | BMX | Calhoun, Cherokee, Cleburne | 24 min |
| Jan 26, 12:29 AM CST | Special Weather Statement | BMX | St. Clair | 46 min |
| Jan 26, 1:44 AM CST | Special Weather Statement | BMX | Bibb | 46 min |
| Jan 26, 3:17 AM CST | Special Weather Statement | BMX | Marengo | 43 min |
| Jan 26, 4:13 AM CST | Special Weather Statement | BMX | Chambers, Tallapoosa | 47 min |
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.