Alert archive / Alabama / Tornado Warnings in 2012

Tornado Warning 12, NWS Mobile, AL

February 24, 2012Butler County, Crenshaw County, Alabama

NWS Mobile, AL issued this tornado warning at Feb 24, 2012, 10:13 AM CST for Butler County, Crenshaw County, Alabama. It was in force for 32 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
Feb 24, 2012, 10:13 AM CST (16:13 UTC)
Expired
Feb 24, 2012, 10:45 AM CST
In force
32 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

Counties Butler 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.

IssuedProductOfficeLasted
Feb 24, 7:48 AM CSTTornado WatchSPC7 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 4.2 hours before the alert went out and 156 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.

Skew-T log-pSkew-T log-p diagram, Birmingham, AL at 12:00Z on 2012-02-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1167 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 12:00Z on 2012-02-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 49 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1167 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
575 m above ground
0-6 km bulk shear
80 kt
0-1 km storm-relative helicity
49 m²/s²
0-3 km storm-relative helicity
195 m²/s²
Significant tornado parameter
0.4
Supercell composite
1.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

164 
WFUS54 KMOB 241613
TORMOB
ALC013-041-241645-
/O.NEW.KMOB.TO.W.0012.120224T1613Z-120224T1645Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1013 AM CST FRI FEB 24 2012

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL BUTLER COUNTY IN SOUTH CENTRAL ALABAMA...
  NORTHERN CRENSHAW COUNTY IN SOUTH CENTRAL ALABAMA...

* UNTIL 1045 AM CST

* AT 1010 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR            
  GREENVILLE...OR 7 MILES SOUTHEAST OF I65 AND AL 185...MOVING       
  EAST AT 65 MPH.

* LOCATIONS IMPACTED INCLUDE...
  PETREY...

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 300 PM CST FRIDAY AFTERNOON 
FOR SOUTHWESTERN ALABAMA AND PORTIONS OF SOUTHEAST MISSISSIPPI.

&&

LAT...LON 3172 8658 3192 8655 3197 8630 3197 8619
      3196 8618 3189 8617 3183 8618 3180 8620
      3179 8615 3176 8614 3175 8614
TIME...MOT...LOC 1612Z 249DEG 59KT 3181 8648

$$
2 follow-up statements
220 
WWUS54 KMOB 241627
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1027 AM CST FRI FEB 24 2012

ALC013-241637-
/O.CAN.KMOB.TO.W.0012.000000T0000Z-120224T1645Z/
BUTLER AL-
1027 AM CST FRI FEB 24 2012

...THE TORNADO WARNING FOR EAST CENTRAL BUTLER COUNTY IS CANCELLED...

THE SEVERE THUNDERSTORM HAS MOVED EAST INTO CRENSHAW COUNTY.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM CST FRIDAY AFTERNOON
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.

LAT...LON 3173 8644 3191 8645 3197 8630 3197 8619
      3196 8618 3189 8617 3183 8618 3180 8620
      3179 8615 3176 8614 3175 8614
TIME...MOT...LOC 1627Z 249DEG 52KT 3184 8634

$$

ALC041-241645-
/O.CON.KMOB.TO.W.0012.000000T0000Z-120224T1645Z/
CRENSHAW AL-
1027 AM CST FRI FEB 24 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1045 AM CST FOR NORTHERN
CRENSHAW COUNTY...

AT 1025 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR CENTER RIDGE...OR
10 MILES NORTHWEST OF LUVERNE...MOVING EAST AT 60 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO FULLERS
CROSSROADS...SAVILLE...SARDIS...PETREY...HIGHLAND HOME...LIVE OAK...
GARNERSVILLE...MAGNOLIA SHORES...PATSBURG...BRADLEYTON...JOQUIN AND
HELICON

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 300 PM CST FRIDAY AFTERNOON
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.

&&

LAT...LON 3173 8644 3191 8645 3197 8630 3197 8619
      3196 8618 3189 8617 3183 8618 3180 8620
      3179 8615 3176 8614 3175 8614
TIME...MOT...LOC 1627Z 249DEG 52KT 3184 8634

$$
917 
WWUS54 KMOB 241646
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1046 AM CST FRI FEB 24 2012

ALC041-241655-
/O.EXP.KMOB.TO.W.0012.000000T0000Z-120224T1645Z/
CRENSHAW AL-
1046 AM CST FRI FEB 24 2012

...THE TORNADO WARNING FOR NORTHERN CRENSHAW COUNTY HAS EXPIRED...

THE SEVERE THUNDERSTORM WITH A POSSIBLE TORNADO HAS MOVED EAST INTO 
PIKE COUNTY ALABAMA.  STRONG WINDS TO NEAR 50 MPH AND SMALL HAIL MAY 
STILL BE OCCURRING IN NORTHEASTERN CRENSHAW COUNTY.  

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM CST FRIDAY AFTERNOON 
FOR SOUTHWESTERN ALABAMA AND PORTIONS OF SOUTHEAST MISSISSIPPI.

LAT...LON 3173 8644 3191 8645 3197 8630 3197 8619
      3196 8618 3189 8617 3183 8618 3180 8620
      3179 8615 3176 8614 3175 8614
TIME...MOT...LOC 1645Z 249DEG 52KT 3193 8605

$$

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 24, 8:06 AM CSTSevere Thunderstorm WarningMOBWashington39 min
Feb 24, 8:51 AM CSTSevere Thunderstorm WarningMOBClarke, Monroe, Washington39 min
Feb 24, 9:20 AM CSTTornado WarningMOBClarke, Conecuh, Monroe40 min
Feb 24, 9:30 AM CSTSevere Thunderstorm WarningMOBClarke, Wilcox30 min
Feb 24, 9:35 AM CSTTornado WarningMOBWilcox25 min
Feb 24, 9:52 AM CSTSevere Thunderstorm WarningMOBButler, Conecuh, Crenshaw, Monroe, Wilcox38 min
Feb 24, 10:35 AM CSTSpecial Marine WarningMOB40 min
Feb 24, 11:15 AM CSTSpecial Marine WarningMOB60 min
Feb 24, 11:26 AM CSTSpecial Marine WarningMOB19 min
Feb 24, 12:17 PM CSTSpecial Marine WarningMOB58 min
Feb 24, 2:08 PM CSTRed Flag WarningMOBButler, Choctaw, Clarke, Conecuh, Covington, Crenshaw and 4 more26 hr

Nearby

Tornado Warnings in Alabama, 2012Every tornado warning in 2012Tornadoes in 2012

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.