Alert archive / Alabama / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 112, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at May 6, 2021, 6:27 PM CDT for 4 counties in Alabama. It was in force for 63 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
- May 6, 2021, 6:27 PM CDT (23:27 UTC)
- Expired
- May 6, 2021, 7:30 PM CDT
- In force
- 63 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, Walker County, AL, Winston County, AL
The radar
The Columbus AFB radar (KGWX), 83 km from the middle of the area, began a volume at 23:28 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 nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 11.5 hours before the alert went out and 96 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1285 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- -107 m²/s²
- 0-3 km storm-relative helicity
- -60 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
756
WUUS54 KBMX 062327
SVRBMX
ALC057-075-127-133-070030-
/O.NEW.KBMX.SV.W.0112.210506T2327Z-210507T0030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Birmingham AL
627 PM CDT Thu May 6 2021
The National Weather Service in Birmingham has issued a
* Severe Thunderstorm Warning for...
Walker County in central Alabama...
Southeastern Winston County in northwestern Alabama...
Fayette County in west central Alabama...
Lamar County in west central Alabama...
* Until 730 PM CDT.
* At 626 PM CDT, severe thunderstorms were located along a line
extending from near Ashridge to near Lake Buttahatchee to near
Detroit, moving southeast at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Jasper, Winfield, Fayette, Sumiton, Cordova, Dora, Carbon Hill,
Vernon, Sulligent, Millport, Lynn, Arley, Berry, Double Springs,
Parrish, Oakman, Addison, Glen Allen, Kennedy and Sipsey.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3386 8823 3392 8785 3391 8764 3398 8764
3430 8723 3430 8711 3399 8711 3399 8715
3393 8709 3389 8709 3389 8701 3384 8695
3380 8695 3377 8702 3371 8704 3360 8742
3361 8763 3358 8767 3352 8768 3354 8827
TIME...MOT...LOC 2326Z 302DEG 45KT 3430 8744 3411 8778 3400 8822
HAIL...<.75IN
WIND...60MPH
$$
611 follow-up statement
344
WWUS54 KBMX 070011
SVSBMX
Severe Weather Statement
National Weather Service Birmingham AL
711 PM CDT Thu May 6 2021
ALC133-070020-
/O.CAN.KBMX.SV.W.0112.000000T0000Z-210507T0030Z/
Winston AL-
711 PM CDT Thu May 6 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WINSTON COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
LAT...LON 3370 8824 3381 8778 3391 8764 3394 8745
3400 8725 3398 8720 3399 8715 3393 8709
3389 8709 3389 8701 3387 8701 3384 8695
3380 8695 3377 8702 3371 8704 3360 8742
3361 8763 3358 8767 3352 8768 3354 8827
TIME...MOT...LOC 0010Z 308DEG 36KT 3393 8723 3374 8757 3363 8800
$$
ALC057-075-127-070030-
/O.CON.KBMX.SV.W.0112.000000T0000Z-210507T0030Z/
Walker AL-Fayette AL-Lamar AL-
711 PM CDT Thu May 6 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT
FOR WALKER...FAYETTE AND SOUTHERN LAMAR COUNTIES...
At 710 PM CDT, severe thunderstorms were located along a line
extending from near Curry to near Berry to near Kennedy, moving
southeast at 40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Jasper, Fayette, Sumiton, Cordova, Dora, Carbon Hill, Millport,
Berry, Parrish, Oakman, Kennedy, Sipsey, Kansas, Belk, Eldridge,
Curry, Smith Dam, Boley Springs, Burnwell and Beloit.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3370 8824 3381 8778 3391 8764 3394 8745
3400 8725 3398 8720 3399 8715 3393 8709
3389 8709 3389 8701 3387 8701 3384 8695
3380 8695 3377 8702 3371 8704 3360 8742
3361 8763 3358 8767 3352 8768 3354 8827
TIME...MOT...LOC 0010Z 308DEG 36KT 3393 8723 3374 8757 3363 8800
HAIL...<.75IN
WIND...60MPH
$$
61The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 6, 5:37 PM CDT | Special Weather Statement | BMX | Marion | 53 min |
| May 6, 5:46 PM CDT | Severe Thunderstorm Warning | BMX | Lamar, Marion, Winston | 59 min |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.