Alert archive / Alabama / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 8, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Mar 17, 2021, 7:47 PM CDT for Fayette County, Lamar County, Marion County, Alabama. It was in force for 58 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, 7:47 PM CDT (00:47 UTC)
- Expired
- Mar 17, 2021, 8:45 PM CDT
- In force
- 58 min
- Issued by
- NWS Birmingham, AL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Fayette County, AL, Lamar County, AL, Marion County, AL
The radar
The Columbus AFB radar (KGWX), 38 km from the middle of the area, began a volume at 00:49 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 17, 7:55 PM CDT | TSTM WND DMG | 4 S Hightogy, AL | ROOF BLOWN OFF OF TRACTOR BARN. |
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, 6:48 PM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 00:00Z, 0.8 hours before the alert went out and 136 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
- 188 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 669 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 336 m²/s²
- 0-3 km storm-relative helicity
- 465 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted.
113
WUUS54 KBMX 180047
SVRBMX
ALC057-075-093-180145-
/O.NEW.KBMX.SV.W.0008.210318T0047Z-210318T0145Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Birmingham AL
747 PM CDT Wed Mar 17 2021
The National Weather Service in Birmingham has issued a
* Severe Thunderstorm Warning for...
Marion County in northwestern Alabama...
Northwestern Fayette County in west central Alabama...
Lamar County in west central Alabama...
* Until 845 PM CDT.
* At 746 PM CDT, severe thunderstorms were located along a line
extending from near Amory to 7 miles northwest of Bedford to near
Steens, moving northeast at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Hamilton, Winfield, Fayette, Haleyville, Vernon, Sulligent, Guin,
Hackleburg, Brilliant, Glen Allen, Detroit, Beaverton, Gu-
Win, Weston, Bluff, Blooming Grove, Lamar County Airport, Brinn,
Lake Buttahatchee and Crews.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 300 AM CDT for northwestern
and west central Alabama.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3432 8818 3430 8763 3387 8764 3387 8760
3383 8760 3353 8824 3353 8827
TIME...MOT...LOC 0046Z 239DEG 40KT 3404 8851 3389 8826 3356 8825
HAIL...<.75IN
WIND...60MPH
$$
86/Martin4 follow-up statements
127
WWUS54 KBMX 180108
SVSBMX
Severe Weather Statement
National Weather Service Birmingham AL
808 PM CDT Wed Mar 17 2021
ALC057-075-093-180145-
/O.CON.KBMX.SV.W.0008.000000T0000Z-210318T0145Z/
Marion AL-Fayette AL-Lamar AL-
808 PM CDT Wed Mar 17 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT
FOR MARION...NORTHWESTERN FAYETTE AND NORTHERN LAMAR COUNTIES...
At 807 PM CDT, severe thunderstorms were located along a line
extending from near Tremont to near Beaverton to near Belk, moving
northeast at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Hamilton, Winfield, Fayette, Haleyville, Vernon, Sulligent, Guin,
Hackleburg, Brilliant, Glen Allen, Detroit, Beaverton, Gu-
Win, Weston, Bluff, Blooming Grove, Lamar County Airport, Brinn, Lake
Buttahatchee and Crews.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 300 AM CDT for northwestern
and west central Alabama.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3432 8818 3430 8763 3387 8764 3387 8760
3383 8760 3369 8789 3376 8824
TIME...MOT...LOC 0107Z 239DEG 40KT 3416 8826 3401 8801 3368 8801
HAIL...<.75IN
WIND...60MPH
$$
86/Martin293
WWUS54 KBMX 180118
SVSBMX
Severe Weather Statement
National Weather Service Birmingham AL
818 PM CDT Wed Mar 17 2021
ALC057-075-093-180145-
/O.CON.KBMX.SV.W.0008.000000T0000Z-210318T0145Z/
Marion AL-Fayette AL-Lamar AL-
818 PM CDT Wed Mar 17 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT
FOR MARION...NORTHWESTERN FAYETTE AND NORTHEASTERN LAMAR COUNTIES...
At 818 PM CDT, severe thunderstorms were located along a line
extending from 6 miles east of Tremont to 6 miles north of Guin to
near Fayette, moving east at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Hamilton, Winfield, Haleyville, Guin, Hackleburg, Brilliant, Glen
Allen, Detroit, Beaverton, Gu-
Win, Weston, Brinn, Lake Buttahatchee, Bear Creek, Twin, Tucker,
Henson Springs, Wayside, Rankin Fite Airport and Upper Bear Creek
Reservoir.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 300 AM CDT for northwestern
and west central Alabama.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3432 8818 3430 8763 3387 8764 3387 8760
3383 8760 3378 8770 3396 8819
TIME...MOT...LOC 0118Z 270DEG 40KT 3420 8814 3405 8789 3372 8789
HAIL...<.75IN
WIND...60MPH
$$
86/Martin187
WWUS54 KBMX 180128
SVSBMX
Severe Weather Statement
National Weather Service Birmingham AL
828 PM CDT Wed Mar 17 2021
ALC057-075-180135-
/O.CAN.KBMX.SV.W.0008.000000T0000Z-210318T0145Z/
Fayette AL-Lamar AL-
828 PM CDT Wed Mar 17 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN FAYETTE AND
NORTHEASTERN LAMAR COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of Fayette and
Lamar counties. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 300 AM CDT for northwestern
and west central Alabama.
LAT...LON 3430 8763 3391 8764 3391 8773 3401 8795
3402 8796 3402 8799 3405 8799 3405 8806
3409 8815 3432 8812
TIME...MOT...LOC 0125Z 270DEG 40KT 3424 8807 3409 8782 3376 8782
$$
ALC093-180145-
/O.CON.KBMX.SV.W.0008.000000T0000Z-210318T0145Z/
Marion AL-
828 PM CDT Wed Mar 17 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT
FOR MARION COUNTY...
At 825 PM CDT, severe thunderstorms were located along a line
extending from near Weston to near Brilliant to near Fayette, moving
east at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Hamilton, Winfield, Haleyville, Guin, Hackleburg, Brilliant, Glen
Allen, Brinn, Weston, Lake Buttahatchee, Bear Creek, Twin, Tucker,
Tessner, Shottsville, Pearces Mill, Rankin Fite Airport, Upper Bear
Creek Reservoir, Texas and Pigeye.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 300 AM CDT for northwestern
and west central Alabama.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3430 8763 3391 8764 3391 8773 3401 8795
3402 8796 3402 8799 3405 8799 3405 8806
3409 8815 3432 8812
TIME...MOT...LOC 0125Z 270DEG 40KT 3424 8807 3409 8782 3376 8782
HAIL...<.75IN
WIND...60MPH
$$
86/Martin532
WWUS54 KBMX 180135
SVSBMX
Severe Weather Statement
National Weather Service Birmingham AL
835 PM CDT Wed Mar 17 2021
ALC093-180145-
/O.EXP.KBMX.SV.W.0008.000000T0000Z-210318T0145Z/
Marion AL-
835 PM CDT Wed Mar 17 2021
...THE SEVERE THUNDERSTORM WARNING FOR MARION COUNTY WILL EXPIRE AT
845 PM CDT...
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire.
A Tornado Watch remains in effect until 300 AM CDT for northwestern
and west central Alabama.
LAT...LON 3430 8763 3391 8764 3391 8773 3401 8795
3402 8796 3402 8799 3405 8799 3405 8806
3409 8815 3432 8812
TIME...MOT...LOC 0135Z 270DEG 40KT 3429 8797 3414 8772 3381 8772
$$
86/MartinThe office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 17, 7:18 PM CDT | Tornado Warning | BMX | Autauga, Dallas | 17 min |
| Mar 17, 8:01 PM CDT | Tornado Warning | BMX | Greene, Pickens, Sumter | 22 min |
| Mar 17, 8:15 PM CDT | Severe Thunderstorm Warning | BMX | Autauga | 39 min |
| Mar 17, 8:32 PM CDT | Tornado Warning | BMX | Autauga, Chilton, Elmore | 19 min |
| Mar 17, 9:06 PM CDT | River Flood Warning | BMX | Greene, Hale, Marengo, Tuscaloosa | 33 hr |
| Mar 17, 9:14 PM CDT | River Flood Warning | BMX | Sumter | 37 hr |
| Mar 17, 9:18 PM CDT | River Flood Warning | BMX | Greene, Hale, Marengo, Sumter | 72 hr |
| Mar 17, 9:48 PM CDT | Areal Flood Advisory | BMX | Blount | 3 hr |
| Mar 17, 9:51 PM CDT | Severe Thunderstorm Warning | BMX | Autauga, Chilton, Coosa, Elmore, Lowndes, Montgomery | 69 min |
| Mar 17, 10:06 PM CDT | Severe Thunderstorm Warning | BMX | St. Clair, Shelby, Talladega | 69 min |
| Mar 17, 10:22 PM CDT | Severe Thunderstorm Warning | BMX | Calhoun, Cherokee, Etowah, St. Clair | 68 min |
| Mar 17, 10:26 PM CDT | Areal Flood Advisory | BMX | Calhoun, Cherokee, Cleburne, Etowah, St. Clair, Talladega | 3 hr |
| Mar 17, 10:30 PM CDT | Severe Thunderstorm Warning | BMX | Bullock, Lee, Macon, Tallapoosa | 75 min |
| Mar 17, 10:43 PM CDT | Tornado Warning | BMX | Coosa | 6 min |
| Mar 17, 11:34 PM CDT | Special Weather Statement | BMX | Lee, Russell | 41 min |
| Mar 18, 2:46 AM CDT | Special Weather Statement | BMX | Russell | 44 min |
| Mar 18, 3:06 AM CDT | Wind Advisory | BMX | Autauga, Barbour, Bibb, Blount, Bullock, Calhoun and 33 more | 16 hr |
| Mar 18, 8:31 AM CDT | Areal Flood Warning | BMX | Cherokee | 55 hr |
| Mar 18, 9:50 AM CDT | River Flood Warning | BMX | Jefferson, Tuscaloosa, Walker | 36 hr |
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.