Alert archive / Alabama / Tornado Warnings in 2012

Tornado Warning 25, NWS Mobile, AL

March 23, 2012Butler County, Conecuh County, Alabama

NWS Mobile, AL issued this tornado warning at Mar 23, 2012, 4:37 AM CDT for Butler County, Conecuh County, Alabama. It was in force for 16 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 23, 2012, 4:37 AM CDT (09:37 UTC)
Expired: Mar 23, 2012, 4:53 AM CDT
In force: 16 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon

Counties Butler County, AL, Conecuh County, AL

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 9.6 hours before the alert went out and 164 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 102 J/kg
Mixed-layer CIN: -40 J/kg
Mixed-layer LCL: 649 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 88 m²/s²
0-3 km storm-relative helicity: 106 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

664 
WFUS54 KMOB 230937
TORMOB
ALC013-035-231015-
/O.NEW.KMOB.TO.W.0025.120323T0937Z-120323T1015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
437 AM CDT FRI MAR 23 2012

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  WEST CENTRAL BUTLER COUNTY IN SOUTH CENTRAL ALABAMA...
  NORTH CENTRAL CONECUH COUNTY IN SOUTH CENTRAL ALABAMA...

* UNTIL 515 AM CDT

* AT 432 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 14 MILES
  NORTHWEST OF EVERGREEN...OR 5 MILES WEST OF LYEFFION...MOVING
  NORTHEAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BETHEL...             COOKS CROSSROADS...   COMMERCE...
  BOWLES...             GRACE...              BEACON...
  STARLINGTON...        MIXONVILLE...         DEANS...

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.

&&

LAT...LON 3169 8672 3156 8696 3165 8709 3173 8698
      3175 8691 3178 8691 3179 8689
TIME...MOT...LOC 0937Z 230DEG 21KT 3158 8707

$$

1 follow-up statement

653 
WWUS54 KMOB 230953
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
453 AM CDT FRI MAR 23 2012

ALC013-035-231003-
/O.CAN.KMOB.TO.W.0025.000000T0000Z-120323T1015Z/
BUTLER AL-CONECUH AL-
453 AM CDT FRI MAR 23 2012

...THE TORNADO WARNING FOR NORTH CENTRAL CONECUH AND WEST CENTRAL
BUTLER COUNTIES IS CANCELLED...

THE STORM THAT PROMPTED THE WARNING HAS WEAKEND. 

LAT...LON 3169 8672 3156 8696 3165 8709 3173 8698
      3175 8691 3178 8691 3179 8689
TIME...MOT...LOC 0953Z 230DEG 21KT 3164 8699

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 23, 3:56 AM CDT	Severe Thunderstorm Warning	MOB	Conecuh, Monroe	49 min
Mar 23, 4:08 AM CDT	Tornado Warning	MOB	Conecuh, Monroe	37 min
Mar 23, 6:54 AM CDT	Areal Flood Advisory	MOB	Mobile	111 min
Mar 23, 8:47 AM CDT	Severe Thunderstorm Warning	MOB	Covington	43 min
Mar 23, 10:01 AM CDT	River Flood Warning	MOB	Choctaw, Clarke, Washington	6 days
Mar 23, 10:01 AM CDT	River Flood Warning	MOB	Choctaw, Clarke, Washington	6 days
Mar 23, 10:04 AM CDT	Special Marine Warning	MOB		86 min
Mar 23, 10:57 AM CDT	Special Marine Warning	MOB		48 min
Mar 23, 1:35 PM CDT	Special Marine Warning	MOB		55 min

Nearby

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