Alert archive / Alabama / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 221, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Nov 22, 2011, 5:46 PM CST for Butler County, Covington County, Crenshaw County, Alabama. It was in force for 44 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
- Nov 22, 2011, 5:46 PM CST (23:46 UTC)
- Expired
- Nov 22, 2011, 6:30 PM CST
- In force
- 44 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Butler County, AL, Covington County, AL, Crenshaw County, AL
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Nov 22, 11:58 AM CST | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 11.8 hours before the alert went out and 176 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
- 1114 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 197 m²/s²
- 0-3 km storm-relative helicity
- 207 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
652
WUUS54 KMOB 222346
SVRMOB
ALC013-039-041-230030-
/O.NEW.KMOB.SV.W.0221.111122T2346Z-111123T0030Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
546 PM CST TUE NOV 22 2011
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN BUTLER COUNTY IN SOUTH CENTRAL ALABAMA...
NORTHERN COVINGTON COUNTY IN SOUTH CENTRAL ALABAMA...
CRENSHAW COUNTY IN SOUTH CENTRAL ALABAMA...
* UNTIL 630 PM CST
* AT 542 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM 10 MILES NORTHEAST OF GREENVILLE TO 10 MILES SOUTHEAST OF
GREENVILLE TO 17 MILES NORTHEAST OF EVERGREEN...AND WAS MOVING
EAST AT 35 MPH.
* LOCATIONS IMPACTED INCLUDE...
RUTLEDGE... PETREY... LUVERNE...
GLENWOOD... DOZIER... BRANTLEY...
ROSE HILL...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CST TUESDAY EVENING
FOR SOUTH CENTRAL ALABAMA.
&&
LAT...LON 3152 8619 3143 8619 3144 8670 3152 8670
3153 8672 3167 8671 3193 8649 3193 8617
3180 8620 3179 8615 3178 8614 3166 8614
3163 8618 3162 8614 3154 8614
TIME...MOT...LOC 2345Z 270DEG 31KT 3189 8643 3172 8648
3153 8663
$$2 follow-up statements
586
WWUS54 KMOB 230011
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
611 PM CST TUE NOV 22 2011
ALC013-230021-
/O.CAN.KMOB.SV.W.0221.000000T0000Z-111123T0030Z/
BUTLER AL-
611 PM CST TUE NOV 22 2011
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BUTLER COUNTY IS
CANCELLED...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CST TUESDAY EVENING
FOR SOUTH CENTRAL ALABAMA.
LAT...LON 3152 8619 3143 8619 3144 8658 3153 8649
3170 8643 3193 8632 3193 8617 3180 8620
3179 8615 3178 8614 3166 8614 3163 8618
3162 8614 3154 8614
TIME...MOT...LOC 0011Z 269DEG 24KT 3186 8615 3167 8636
3145 8648
$$
ALC039-041-230030-
/O.CON.KMOB.SV.W.0221.000000T0000Z-111123T0030Z/
COVINGTON AL-CRENSHAW AL-
611 PM CST TUE NOV 22 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CST
FOR CRENSHAW AND NORTHEASTERN COVINGTON COUNTIES...
AT 606 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 11 MILES NORTHEAST OF LUVERNE TO 8 MILES SOUTHWEST OF
LUVERNE TO 9 MILES NORTH OF ANDALUSIA...MOVING EAST AT 25 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LEON...
CLEARVIEW...JOQUIN...SEARIGHT...DOZIER...ROSE HILL...NEW HOPE...
VIDETTE...THEBA...SOCIAL TOWN...BRANTLEY...WEED CROSSROAD...SHIRLEYS
CROSSROADS...CARMEN...FIVE POINTS...GLENWOOD AND BULLOCK
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CST TUESDAY EVENING
FOR SOUTH CENTRAL ALABAMA.
&&
LAT...LON 3152 8619 3143 8619 3144 8658 3153 8649
3170 8643 3193 8632 3193 8617 3180 8620
3179 8615 3178 8614 3166 8614 3163 8618
3162 8614 3154 8614
TIME...MOT...LOC 0011Z 269DEG 24KT 3186 8615 3167 8636
3145 8648
$$578
WWUS54 KMOB 230026
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
626 PM CST TUE NOV 22 2011
ALC039-041-230036-
/O.EXP.KMOB.SV.W.0221.000000T0000Z-111123T0030Z/
COVINGTON AL-CRENSHAW AL-
626 PM CST TUE NOV 22 2011
...THE SEVERE THUNDERSTORM WARNING FOR CRENSHAW AND NORTHEASTERN
COVINGTON COUNTIES WILL EXPIRE AT 630 PM CST...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CST TUESDAY EVENING
FOR SOUTH CENTRAL ALABAMA.
LAT...LON 3152 8619 3143 8619 3144 8658 3153 8649
3170 8643 3193 8632 3193 8617 3180 8620
3179 8615 3178 8614 3166 8614 3163 8618
3162 8614 3154 8614
TIME...MOT...LOC 0026Z 269DEG 24KT 3181 8605 3162 8626
3140 8638
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 22, 8:46 AM CST | Special Marine Warning | MOB | 44 min | |
| Nov 22, 9:12 AM CST | Special Marine Warning | MOB | 48 min | |
| Nov 22, 1:57 PM CST | Severe Thunderstorm Warning | MOB | Choctaw | 63 min |
| Nov 22, 3:22 PM CST | Small Craft Advisory | MOB | 13 hr | |
| Nov 22, 4:04 PM CST | Special Marine Warning | MOB | 116 min | |
| Nov 22, 5:37 PM CST | Special Marine Warning | MOB | 53 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 2011Every severe thunderstorm warning in 2011
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.