Alert archive / Alabama / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 23, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Mar 17, 2021, 9:55 PM CDT for Butler County, Crenshaw County, Alabama. It was in force for 50 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, 9:55 PM CDT (02:55 UTC)
- Expired
- Mar 17, 2021, 10:45 PM CDT
- In force
- 50 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Butler County, AL, Crenshaw County, AL
The radar
The Maxwell AFB radar (KMXX), 94 km from the middle of the area, began a volume at 02:58 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, 2.9 hours before the alert went out and 151 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.
473
WUUS54 KMOB 180255
SVRMOB
ALC013-041-180345-
/O.NEW.KMOB.SV.W.0023.210318T0255Z-210318T0345Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
955 PM CDT Wed Mar 17 2021
The National Weather Service in Mobile has issued a
* Severe Thunderstorm Warning for...
Northern Butler County in south central Alabama...
Northern Crenshaw County in south central Alabama...
* Until 1045 PM CDT.
* At 954 PM CDT, severe thunderstorms were located along a line
extending from 3 miles northwest of Mosses to 4 miles south of
Beechwood to 5 miles west of Greenville to 5 miles northwest of
Georgiana, moving east at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Greenville, Luverne, Rutledge, Petrey and Highland Home.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 300 AM CDT for south central
Alabama.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3169 8687 3179 8684 3196 8682 3196 8641
3205 8640 3205 8630 3197 8630 3196 8619
3190 8617 3186 8618 3183 8618 3181 8620
3179 8620 3179 8615 3170 8615
TIME...MOT...LOC 0254Z 259DEG 43KT 3221 8671 3207 8667 3182 8672 3169
8680
HAIL...<.75IN
WIND...60MPH
$$
Black2 follow-up statements
069
WWUS54 KMOB 180314
SVSMOB
Severe Weather Statement
National Weather Service Mobile AL
1014 PM CDT Wed Mar 17 2021
ALC013-041-180345-
/O.CON.KMOB.SV.W.0023.000000T0000Z-210318T0345Z/
Butler AL-Crenshaw AL-
1014 PM CDT Wed Mar 17 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT
FOR NORTHEASTERN BUTLER AND NORTHERN CRENSHAW COUNTIES...
At 1014 PM CDT, severe thunderstorms were located along a line
extending from 5 miles southwest of Dannelly Field to 3 miles north
of Davenport to 8 miles south of Logan to 7 miles southeast of
Greenville, moving east at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Greenville, Luverne, Rutledge, Petrey and Highland Home.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 300 AM CDT for south central
Alabama.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3169 8664 3179 8663 3196 8664 3196 8641
3205 8640 3205 8630 3197 8630 3196 8619
3190 8617 3186 8618 3183 8618 3181 8620
3179 8620 3179 8615 3170 8615
TIME...MOT...LOC 0314Z 259DEG 43KT 3225 8646 3211 8642 3186 8647 3173
8655
HAIL...<.75IN
WIND...60MPH
$$
Black328
WWUS54 KMOB 180329
SVSMOB
Severe Weather Statement
National Weather Service Mobile AL
1029 PM CDT Wed Mar 17 2021
ALC013-180338-
/O.CAN.KMOB.SV.W.0023.000000T0000Z-210318T0345Z/
Butler AL-
1029 PM CDT Wed Mar 17 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN BUTLER COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 300 AM CDT for south central
Alabama.
LAT...LON 3186 8618 3183 8618 3181 8620 3179 8620
3178 8645 3183 8645 3184 8644 3186 8645
3196 8645 3196 8641 3197 8640 3205 8640
3205 8630 3197 8630 3196 8619 3189 8617
TIME...MOT...LOC 0328Z 259DEG 43KT 3229 8625 3215 8621 3190 8626 3177
8635
$$
ALC041-180345-
/O.CON.KMOB.SV.W.0023.000000T0000Z-210318T0345Z/
Crenshaw AL-
1029 PM CDT Wed Mar 17 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT
FOR NORTHERN CRENSHAW COUNTY...
At 1028 PM CDT, severe thunderstorms were located along a line
extending from Pinedale to 3 miles east of Sprague to 4 miles
northwest of Petrey to 3 miles northwest of Rutledge, moving east at
50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Petrey and Highland Home.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 300 AM CDT for south central
Alabama.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3186 8618 3183 8618 3181 8620 3179 8620
3178 8645 3183 8645 3184 8644 3186 8645
3196 8645 3196 8641 3197 8640 3205 8640
3205 8630 3197 8630 3196 8619 3189 8617
TIME...MOT...LOC 0328Z 259DEG 43KT 3229 8625 3215 8621 3190 8626 3177
8635
HAIL...<.75IN
WIND...60MPH
$$
BlackThe office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 17, 7:10 PM CDT | Severe Thunderstorm Warning | MOB | Choctaw, Washington | 65 min |
| Mar 17, 8:07 PM CDT | Special Weather Statement | MOB | Choctaw, Washington | 53 min |
| Mar 17, 8:31 PM CDT | Severe Thunderstorm Warning | MOB | Clarke, Monroe, Washington, Wilcox | 44 min |
| Mar 17, 9:15 PM CDT | Special Weather Statement | MOB | Butler, Monroe, Wilcox | 45 min |
| Mar 17, 9:27 PM CDT | Special Weather Statement | MOB | Clarke, Monroe, Washington | 48 min |
| Mar 17, 10:17 PM CDT | Special Weather Statement | MOB | Monroe, Washington | 58 min |
| Mar 17, 10:31 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin, Clarke, Mobile, Monroe, Washington | 44 min |
| Mar 17, 11:12 PM CDT | Special Weather Statement | MOB | Baldwin, Mobile | 48 min |
| Mar 17, 11:28 PM CDT | Special Marine Warning | MOB | 92 min | |
| Mar 18, 12:02 AM CDT | Special Weather Statement | MOB | Monroe | 43 min |
| Mar 18, 12:07 AM CDT | Special Weather Statement | MOB | Mobile | 23 min |
| Mar 18, 12:32 AM CDT | Severe Thunderstorm Warning | MOB | Baldwin | 28 min |
| Mar 18, 12:33 AM CDT | Special Marine Warning | MOB | 87 min | |
| Mar 18, 12:38 AM CDT | Special Weather Statement | MOB | Butler | 37 min |
| Mar 18, 12:57 AM CDT | Special Marine Warning | MOB | 63 min | |
| Mar 18, 1:48 AM CDT | Special Marine Warning | MOB | 87 min | |
| Mar 18, 3:16 AM CDT | Special Marine Warning | MOB | 89 min | |
| Mar 18, 4:00 AM CDT | Tornado Warning | MOB | Crenshaw | 30 min |
| Mar 18, 4:09 AM CDT | Special Marine Warning | MOB | 51 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.