Alert archive / Alabama / Tornado Warnings in 2011
Tornado Warning 154, NWS Mobile, AL
NWS Mobile, AL issued this tornado warning at Dec 22, 2011, 2:56 PM CST for Crenshaw County, Alabama. It was in force for 19 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
- Dec 22, 2011, 2:56 PM CST (20:56 UTC)
- Expired
- Dec 22, 2011, 3:15 PM CST
- In force
- 19 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
County 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 |
|---|---|---|---|
| Dec 22, 10:00 AM CST | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 8.9 hours before the alert went out and 167 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 699 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 102 m²/s²
- 0-3 km storm-relative helicity
- 129 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
836
WFUS54 KMOB 222056
TORMOB
ALC041-222115-
/O.NEW.KMOB.TO.W.0154.111222T2056Z-111222T2115Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
256 PM CST THU DEC 22 2011
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* TORNADO WARNING FOR...
CENTRAL CRENSHAW COUNTY IN SOUTH CENTRAL ALABAMA...
* UNTIL 315 PM CST
* AT 253 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 8 MILES
SOUTHWEST OF LUVERNE...OR 7 MILES SOUTHWEST OF RUTLEDGE...MOVING
NORTHEAST AT 45 MPH.
* LOCATIONS IMPACTED INCLUDE...
RUTLEDGE... LUVERNE...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
IF IN MANUFACTURED HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 PM CST THURSDAY AFTERNOON
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA.
&&
LAT...LON 3159 8639 3165 8647 3166 8645 3167 8645
3191 8618 3190 8617 3183 8618 3180 8620
3179 8614 3172 8614
TIME...MOT...LOC 2056Z 231DEG 40KT 3167 8636
$$2 follow-up statements
332
WWUS54 KMOB 222107
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
307 PM CST THU DEC 22 2011
ALC041-222115-
/O.CON.KMOB.TO.W.0154.000000T0000Z-111222T2115Z/
CRENSHAW AL-
307 PM CST THU DEC 22 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM CST FOR CENTRAL
CRENSHAW COUNTY...
AT 303 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR LUVERNE...MOVING
NORTHEAST AT 45 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SOCIAL
TOWN...VIDETTE...LIVE OAK...PATSBURG...SHIRLEYS CROSSROADS AND JOQUIN
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 PM CST THURSDAY AFTERNOON
FOR SOUTH CENTRAL ALABAMA AND NORTHWEST FLORIDA.
&&
LAT...LON 3159 8639 3165 8647 3166 8645 3167 8645
3191 8618 3190 8617 3183 8618 3180 8620
3179 8614 3172 8614
TIME...MOT...LOC 2106Z 236DEG 39KT 3173 8625
$$958
WWUS54 KMOB 222115
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
315 PM CST THU DEC 22 2011
ALC041-222125-
/O.EXP.KMOB.TO.W.0154.000000T0000Z-111222T2115Z/
CRENSHAW AL-
315 PM CST THU DEC 22 2011
...THE TORNADO WARNING FOR CENTRAL CRENSHAW COUNTY HAS EXPIRED...
AT 315 PM CST...THE STORM THAT PROMPTED THE WARNING HAS WEAKENED AND
ALSO MOVED NORTHEASTWARD OUT OF CRENSHAW COUNTY...THUS THE TORNADO
WARNING HAS BEEN ALLOWED TO EXPIRE.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 PM CST THURSDAY AFTERNOON
FOR SOUTH CENTRAL ALABAMA AND NORTHWEST FLORIDA.
LAT...LON 3159 8639 3165 8647 3166 8645 3167 8645
3191 8618 3190 8617 3183 8618 3180 8620
3179 8614 3172 8614
TIME...MOT...LOC 2115Z 236DEG 39KT 3178 8615
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 22, 5:10 AM CST | Small Craft Advisory | MOB | 14 hr | |
| Dec 22, 11:08 AM CST | Tornado Warning | MOB | Washington | 52 min |
| Dec 22, 11:11 AM CST | Special Marine Warning | MOB | 49 min | |
| Dec 22, 11:59 AM CST | Tornado Warning | MOB | Clarke | 22 min |
| Dec 22, 12:04 PM CST | Special Marine Warning | MOB | 86 min | |
| Dec 22, 12:37 PM CST | Tornado Warning | MOB | Mobile | 11 min |
| Dec 22, 12:57 PM CST | Tornado Warning | MOB | Baldwin | 21 min |
| Dec 22, 1:28 PM CST | Severe Thunderstorm Warning | MOB | Conecuh, Escambia | 32 min |
| Dec 22, 1:34 PM CST | Tornado Warning | MOB | Conecuh, Escambia | 26 min |
| Dec 22, 1:47 PM CST | Severe Thunderstorm Warning | MOB | Butler | 13 min |
| Dec 22, 4:34 PM CST | Special Marine Warning | MOB | 41 min |
Nearby
Tornado Warnings in Alabama, 2011Every tornado warning in 2011Tornadoes 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.