Alert archive / Alabama / Tornado Warnings in 2021
Tornado Warning 15, NWS Birmingham, AL
NWS Birmingham, AL issued this tornado warning at Mar 17, 2021, 2:14 PM CDT for Jefferson County, Walker County, Alabama. It was in force for 61 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 17, 2021, 2:14 PM CDT (19:14 UTC)
- Expired
- Mar 17, 2021, 3:15 PM CDT
- In force
- 61 min
- Issued by
- NWS Birmingham, AL
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
Counties Jefferson County, AL, Walker County, AL
The radar
The Birmingham radar (KBMX), 58 km from the middle of the area, began a volume at 19:15 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 17, 2:29 PM CDT | TORNADO | 3 Wsw Miller Steam Plan, AL | TORNADO REPORTED BY EMERGENCY MANAGEMENT NEAR BIRMINGPORT. |
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 17, 11:36 AM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 7.2 hours before the alert went out and 56 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
- 658 J/kg
- Mixed-layer CIN
- -112 J/kg
- Mixed-layer LCL
- 759 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 169 m²/s²
- 0-3 km storm-relative helicity
- 301 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.1
The text
As transmitted.
796
WFUS54 KBMX 171914
TORBMX
ALC073-127-172015-
/O.NEW.KBMX.TO.W.0015.210317T1914Z-210317T2015Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Birmingham AL
214 PM CDT Wed Mar 17 2021
The National Weather Service in Birmingham has issued a
* Tornado Warning for...
Southeastern Walker County in central Alabama...
Northwestern Jefferson County in central Alabama...
* Until 315 PM CDT.
* At 214 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Gorgas Steam Plant, or 13 miles southwest of Dora,
moving northeast at 30 mph.
HAZARD...Tornado and quarter size hail.
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...
Gardendale, Sumiton, Dora, Adamsville, Graysville, Brookside,
Maytown, West Jefferson, Cardiff, Gorgas Steam Plant, Burnwell,
Quinton, Forestdale, Sayre, Empire, Birmingport, Miller Steam Plant
and Partridge Crossroads.
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 3349 8722 3357 8730 3384 8699 3365 8679
TIME...MOT...LOC 1914Z 230DEG 26KT 3356 8720
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
40/Sizemore3 follow-up statements
711
WWUS54 KBMX 171926
SVSBMX
Severe Weather Statement
National Weather Service Birmingham AL
226 PM CDT Wed Mar 17 2021
ALC073-127-172015-
/O.CON.KBMX.TO.W.0015.000000T0000Z-210317T2015Z/
Walker AL-Jefferson AL-
226 PM CDT Wed Mar 17 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM CDT FOR
SOUTHEASTERN WALKER AND NORTHWESTERN JEFFERSON COUNTIES...
At 226 PM CDT, a confirmed tornado was located near West Jefferson,
or 8 miles south of Dora, moving northeast at 30 mph.
HAZARD...Damaging tornado and quarter size hail.
SOURCE...Law enforcement confirmed tornado.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Gardendale, Sumiton, Dora, Adamsville, Graysville, Brookside,
Maytown, West Jefferson, Cardiff, Burnwell, Quinton, Forestdale,
Sayre, Birmingport, Miller Steam Plant and Partridge Crossroads.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
&&
LAT...LON 3354 8712 3362 8722 3383 8698 3382 8697
3365 8679 3356 8702
TIME...MOT...LOC 1926Z 230DEG 26KT 3362 8712
TORNADO...OBSERVED
HAIL...1.00IN
$$
40/Sizemore018
WWUS54 KBMX 171940
SVSBMX
Severe Weather Statement
National Weather Service Birmingham AL
240 PM CDT Wed Mar 17 2021
ALC073-127-172015-
/O.CON.KBMX.TO.W.0015.000000T0000Z-210317T2015Z/
Walker AL-Jefferson AL-
240 PM CDT Wed Mar 17 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM CDT FOR EAST
CENTRAL WALKER AND NORTH CENTRAL JEFFERSON COUNTIES...
At 240 PM CDT, a confirmed tornado was located over Quinton, or near
Dora, moving northeast at 30 mph.
HAZARD...Damaging tornado and quarter size hail.
SOURCE...Emergency management 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...
Gardendale, Sumiton, Dora, Adamsville, Graysville, Brookside, West
Jefferson, Cardiff, Burnwell, Quinton, Sayre, Miller Steam Plant and
Partridge Crossroads.
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 3365 8715 3382 8697 3365 8679 3358 8705
TIME...MOT...LOC 1940Z 235DEG 25KT 3367 8702
TORNADO...OBSERVED
HAIL...1.00IN
$$
40/Sizemore743
WWUS54 KBMX 171948
SVSBMX
Severe Weather Statement
National Weather Service Birmingham AL
248 PM CDT Wed Mar 17 2021
ALC127-171957-
/O.CAN.KBMX.TO.W.0015.000000T0000Z-210317T2015Z/
Walker AL-
248 PM CDT Wed Mar 17 2021
...THE TORNADO WARNING FOR EAST CENTRAL WALKER COUNTY IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 700 PM CDT for central
Alabama.
LAT...LON 3367 8681 3361 8701 3365 8707 3366 8706
3368 8706 3369 8704 3373 8704 3373 8703
3374 8702 3380 8694
TIME...MOT...LOC 1947Z 234DEG 24KT 3369 8697
$$
ALC073-172015-
/O.CON.KBMX.TO.W.0015.000000T0000Z-210317T2015Z/
Jefferson AL-
248 PM CDT Wed Mar 17 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM CDT FOR NORTH
CENTRAL JEFFERSON COUNTY...
At 247 PM CDT, a confirmed tornado was located near Cardiff, or near
Sumiton, moving northeast at 30 mph.
HAZARD...Damaging tornado and quarter size hail.
SOURCE...Emergency management 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...
Gardendale, Adamsville, Graysville, Brookside, West Jefferson,
Cardiff, Sayre and Partridge Crossroads.
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 3367 8681 3361 8701 3365 8707 3366 8706
3368 8706 3369 8704 3373 8704 3373 8703
3374 8702 3380 8694
TIME...MOT...LOC 1947Z 234DEG 24KT 3369 8697
TORNADO...OBSERVED
HAIL...1.00IN
$$
40/SizemoreThe office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 16, 9:59 PM CDT | Special Weather Statement | BMX | Sumter | 46 min |
| Mar 16, 10:11 PM CDT | Severe Thunderstorm Warning | BMX | Sumter | 24 min |
| Mar 16, 10:38 PM CDT | Special Weather Statement | BMX | Hale | 37 min |
| Mar 17, 1:27 AM CDT | Dense Fog Advisory | BMX | Autauga, Barbour, Blount, Bullock, Calhoun, Chambers and 22 more | 6 hr |
| Mar 17, 11:18 AM CDT | Special Weather Statement | BMX | Jefferson | 27 min |
| Mar 17, 12:13 PM CDT | Tornado Warning | BMX | Dallas | 47 min |
| Mar 17, 12:19 PM CDT | Areal Flood Advisory | BMX | Jefferson, Tuscaloosa | 2 hr |
| Mar 17, 12:21 PM CDT | Severe Thunderstorm Warning | BMX | Fayette, Lamar, Marion | 25 min |
| Mar 17, 12:41 PM CDT | Tornado Warning | BMX | Autauga | 64 min |
| Mar 17, 12:59 PM CDT | Tornado Warning | BMX | Greene, Sumter | 61 min |
| Mar 17, 1:18 PM CDT | Tornado Warning | BMX | Autauga, Chilton, Elmore | 57 min |
| Mar 17, 1:40 PM CDT | Severe Thunderstorm Warning | BMX | Pickens, Tuscaloosa | 28 min |
| Mar 17, 1:52 PM CDT | Tornado Warning | BMX | Greene, Hale, Marengo, Sumter | 41 min |
| Mar 17, 1:58 PM CDT | Tornado Warning | BMX | Marengo | 62 min |
| Mar 17, 1:59 PM CDT | Tornado Warning | BMX | Greene, Hale | 46 min |
| Mar 17, 2:02 PM CDT | Tornado Warning | BMX | Chilton, Coosa | 58 min |
| Mar 17, 2:09 PM CDT | Tornado Warning | BMX | Marengo | 66 min |
| Mar 17, 2:20 PM CDT | Tornado Warning | BMX | Tuscaloosa | 40 min |
| Mar 17, 2:33 PM CDT | Tornado Warning | BMX | Clay, Coosa, Talladega | 42 min |
| Mar 17, 2:44 PM CDT | Flash Flood Warning | BMX | Hale, Marengo, Perry | 2 hr |
| Mar 17, 2:47 PM CDT | Areal Flood Advisory | BMX | Greene, Pickens, Sumter, Tuscaloosa | 2 hr |
| Mar 17, 2:48 PM CDT | Areal Flood Advisory | BMX | Blount, Jefferson, Walker | 2 hr |
| Mar 17, 2:48 PM CDT | Areal Flood Advisory | BMX | Fayette, Lamar, Marion, Walker, Winston | 2 hr |
| Mar 17, 2:51 PM CDT | Flash Flood Warning | BMX | Jefferson | 2 hr |
| Mar 17, 2:53 PM CDT | Tornado Warning | BMX | Tuscaloosa | 52 min |
| Mar 17, 2:54 PM CDT | Tornado Warning | BMX | Dallas, Marengo, Perry | 66 min |
| Mar 17, 2:58 PM CDT | Tornado Warning | BMX | Blount, Jefferson | 34 min |
| Mar 17, 3:21 PM CDT | Tornado Warning | BMX | Tuscaloosa | 54 min |
| Mar 17, 3:25 PM CDT | Flash Flood Warning | BMX | Tuscaloosa | 2 hr |
| Mar 17, 3:28 PM CDT | Areal Flood Advisory | BMX | Dallas, Perry | 2 hr |
| Mar 17, 3:34 PM CDT | Tornado Warning | BMX | Jefferson, Walker | 56 min |
| Mar 17, 3:37 PM CDT | Tornado Warning | BMX | Marengo | 38 min |
| Mar 17, 3:58 PM CDT | Tornado Warning | BMX | Jefferson | 47 min |
| Mar 17, 3:58 PM CDT | Tornado Warning | BMX | Dallas, Perry | 47 min |
| Mar 17, 4:12 PM CDT | Tornado Warning | BMX | Dallas | 48 min |
| Mar 17, 4:28 PM CDT | Tornado Warning | BMX | Marengo | 62 min |
| Mar 17, 4:36 PM CDT | Tornado Warning | BMX | Jefferson | 54 min |
| Mar 17, 4:40 PM CDT | Tornado Warning | BMX | Autauga | 50 min |
| Mar 17, 4:43 PM CDT | Tornado Warning | BMX | Dallas, Perry | 47 min |
| Mar 17, 5:00 PM CDT | Tornado Warning | BMX | Chilton | 60 min |
| Mar 17, 5:09 PM CDT | Areal Flood Advisory | BMX | Jefferson | 111 min |
| Mar 17, 5:15 PM CDT | Tornado Warning | BMX | Chilton | 60 min |
| Mar 17, 5:16 PM CDT | Tornado Warning | BMX | Blount | 44 min |
| Mar 17, 5:23 PM CDT | Tornado Warning | BMX | Dallas, Marengo, Perry | 67 min |
| Mar 17, 5:26 PM CDT | Areal Flood Advisory | BMX | Autauga, Chilton, Dallas, Hale, Marengo, Perry and 1 more | 3 hr |
| Mar 17, 5:41 PM CDT | Tornado Warning | BMX | Marengo | 23 min |
| Mar 17, 5:42 PM CDT | Tornado Warning | BMX | Chilton, Coosa, Shelby, Talladega | 48 min |
| Mar 17, 5:48 PM CDT | Tornado Warning | BMX | Blount | 42 min |
| Mar 17, 5:56 PM CDT | Areal Flood Advisory | BMX | Walker, Winston | 44 min |
| Mar 17, 6:09 PM CDT | Tornado Warning | BMX | Chilton, Coosa, Shelby, Talladega | 13 min |
| Mar 17, 6:40 PM CDT | Flash Flood Warning | BMX | Walker, Winston | 3 hr |
| Mar 17, 6:48 PM CDT | Tornado Warning | BMX | Dallas | 42 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.