Alert archive / Alabama / Tornado Warnings in 2021
Tornado Warning 41, NWS Birmingham, AL
NWS Birmingham, AL issued this tornado warning at Mar 17, 2021, 8:01 PM CDT for Greene County, Pickens County, Sumter County, Alabama. It was in force for 22 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
- Mar 17, 2021, 8:01 PM CDT (01:01 UTC)
- Expired
- Mar 17, 2021, 8:23 PM CDT
- In force
- 22 min
- Issued by
- NWS Birmingham, AL
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Greene County, AL, Pickens County, AL, Sumter County, AL
The radar
The Columbus AFB radar (KGWX), 109 km from the middle of the area, began a volume at 01:04 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 |
|---|---|---|---|
| Mar 17, 6:48 PM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 00:00Z, 1.0 hours before the alert went out and 113 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.
838
WFUS54 KBMX 180101
TORBMX
ALC063-107-119-180200-
/O.NEW.KBMX.TO.W.0041.210318T0101Z-210318T0200Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Birmingham AL
801 PM CDT Wed Mar 17 2021
The National Weather Service in Birmingham has issued a
* Tornado Warning for...
Southeastern Pickens County in west central Alabama...
Northern Greene County in west central Alabama...
Northwestern Sumter County in west central Alabama...
* Until 900 PM CDT.
* At 801 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Electric Mills, or 17 miles north of Lauderdale,
moving northeast at 60 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...
Union, Gainesville, Emelle, New West Greene, Mantua, Panola, Jena,
West Greene, Knoxville, Benevola, Geiger, Snoddy, Warsaw, New Mount
Hebron, Clinton, Pleasant Ridge, Pioneer and Lewiston.
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 3293 8835 3323 8784 3302 8783 3302 8771
3299 8771 3298 8775 3296 8774 3267 8838
TIME...MOT...LOC 0101Z 236DEG 51KT 3276 8843
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
87/GRANTHAM2 follow-up statements
774
WWUS54 KBMX 180117
SVSBMX
Severe Weather Statement
National Weather Service Birmingham AL
817 PM CDT Wed Mar 17 2021
ALC063-107-119-180200-
/O.CON.KBMX.TO.W.0041.000000T0000Z-210318T0200Z/
Pickens AL-Greene AL-Sumter AL-
817 PM CDT Wed Mar 17 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR
SOUTHEASTERN PICKENS...NORTHERN GREENE AND NORTHWESTERN SUMTER
COUNTIES...
At 817 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Gainesville, or 17 miles south of Aliceville, moving
northeast at 55 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Union, Gainesville, New West Greene, Mantua, Panola, Jena, West
Greene, Knoxville, Benevola, Geiger, Snoddy, Warsaw, New Mount
Hebron, Clinton, Pleasant Ridge, Pioneer and Lewiston.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3277 8828 3291 8835 3315 8798 3323 8784
3302 8783 3302 8772
TIME...MOT...LOC 0117Z 235DEG 48KT 3288 8822
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
87/GRANTHAM574
WWUS54 KBMX 180123
SVSBMX
Severe Weather Statement
National Weather Service Birmingham AL
823 PM CDT Wed Mar 17 2021
ALC063-107-119-180133-
/O.CAN.KBMX.TO.W.0041.000000T0000Z-210318T0200Z/
Pickens AL-Greene AL-Sumter AL-
823 PM CDT Wed Mar 17 2021
...THE TORNADO WARNING FOR SOUTHEASTERN PICKENS...NORTHERN GREENE AND
NORTHWESTERN SUMTER COUNTIES IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 300 AM CDT for west central
Alabama.
LAT...LON 3277 8828 3291 8835 3315 8798 3323 8784
3302 8783 3302 8772
TIME...MOT...LOC 0122Z 236DEG 51KT 3292 8814
$$
87/GRANTHAMThe 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, 7:47 PM CDT | Severe Thunderstorm Warning | BMX | Fayette, Lamar, Marion | 58 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
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.