Alert archive / Alabama / Tornado Warnings in 2012

Tornado Warning 19, NWS Birmingham, AL

February 24, 2012Barbour County, Bullock County, Alabama

NWS Birmingham, AL issued this tornado warning at Feb 24, 2012, 11:01 AM CST for Barbour County, Bullock County, Alabama. It was in force for 20 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, 11:01 AM CST (17:01 UTC)
Expired
Feb 24, 2012, 11:21 AM CST
In force
20 min
Issued by
NWS Birmingham, AL
Area
Storm-based polygon

Counties Barbour County, AL, Bullock 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, 5.0 hours before the alert went out and 165 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.

086 
WFUS54 KBMX 241701
TORBMX
ALC005-011-241730-
/O.NEW.KBMX.TO.W.0019.120224T1701Z-120224T1730Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1101 AM CST FRI FEB 24 2012

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN BARBOUR COUNTY IN SOUTHEAST ALABAMA...
  BULLOCK COUNTY IN SOUTHEAST ALABAMA...

* UNTIL 1130 AM CST

* AT 1058 AM CST...THE NATIONAL WEATHER SERVICE INDICATED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM
  WAS LOCATED NEAR LINWOOD...OR 10 MILES NORTHEAST OF TROY...AND
  MOVING EAST AT 55 MPH.

* LOCATIONS IMPACTED INCLUDE...
  UNION SPRINGS...MIDWAY...INVERNESS...BOOT HILL...ABERFOIL...
  PICKETT...CLAYTON...BARBOUR COUNTY PUBLIC LAKE DAM...SIMSVILLE AND
  TANYARD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR OF A STURDY BUILDING.

&&

TO REPORT SEVERE WEATHER...
CALL 1-800-856-0758.

LAT...LON 3186 8567 3188 8566 3188 8579 3197 8579
      3197 8588 3199 8590 3205 8590 3206 8595
      3214 8595 3222 8543 3214 8542 3187 8542
TIME...MOT...LOC 1701Z 250DEG 50KT 3194 8581

$$

56
2 follow-up statements
384 
WWUS54 KBMX 241711
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1111 AM CST FRI FEB 24 2012

ALC005-011-241730-
/O.CON.KBMX.TO.W.0019.000000T0000Z-120224T1730Z/
BULLOCK AL-BARBOUR AL-
1111 AM CST FRI FEB 24 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL BARBOUR AND
SOUTHEASTERN BULLOCK COUNTIES UNTIL 1130 AM CST...

AT 1108 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 5 MILES SOUTHWEST OF PICKETT...OR 14 MILES SOUTH OF
UNION SPRINGS...MOVING EAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  BOOT HILL...PICKETT...CLAYTON...BARBOUR COUNTY PUBLIC LAKE DAM...
  MOUNT ANDREW AND CLAYTON MUNICIPAL AIRPORT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

TO REPORT SEVERE WEATHER...CALL 1-800-856-0758.

LAT...LON 3186 8567 3188 8566 3189 8574 3197 8574
      3205 8574 3206 8566 3208 8549 3208 8542
      3187 8542
TIME...MOT...LOC 1711Z 265DEG 39KT 3194 8567

$$

56
689 
WWUS54 KBMX 241721
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1121 AM CST FRI FEB 24 2012

ALC005-011-241731-
/O.CAN.KBMX.TO.W.0019.000000T0000Z-120224T1730Z/
BULLOCK AL-BARBOUR AL-
1121 AM CST FRI FEB 24 2012

...THE TORNADO WARNING FOR CENTRAL BARBOUR AND SOUTHEASTERN BULLOCK
COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
HOWEVER GUSTY WINDS AND HEAVY RAIN ARE STILL POSSIBLE WITH THIS 
THUNDERSTORM.

TO REPORT SEVERE WEATHER...CALL 1-800-856-0758.

LAT...LON 3186 8567 3188 8566 3189 8574 3197 8574
      3205 8574 3206 8566 3208 8549 3208 8542
      3187 8542
TIME...MOT...LOC 1721Z 265DEG 39KT 3194 8554

$$

56

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 24, 6:36 AM CSTAreal Flood AdvisoryBMXAutauga, Elmore, Tallapoosa3 hr
Feb 24, 7:48 AM CSTSevere Thunderstorm WarningBMXChambers10 min
Feb 24, 9:03 AM CSTSevere Thunderstorm WarningBMXDallas, Lowndes42 min
Feb 24, 9:08 AM CSTAreal Flood AdvisoryBMXAutauga, Elmore, Lowndes, Montgomery, Tallapoosa3 hr
Feb 24, 9:32 AM CSTSevere Thunderstorm WarningBMXBullock, Lowndes, Macon, Montgomery28 min
Feb 24, 9:45 AM CSTSevere Thunderstorm WarningBMXDallas45 min
Feb 24, 9:50 AM CSTSpecial Weather StatementBMXChambers, Tallapoosa55 min
Feb 24, 9:53 AM CSTSevere Thunderstorm WarningBMXBullock, Macon, Montgomery37 min
Feb 24, 10:14 AM CSTSevere Thunderstorm WarningBMXAutauga, Dallas31 min
Feb 24, 10:18 AM CSTSpecial Weather StatementBMXMacon42 min
Feb 24, 10:34 AM CSTTornado WarningBMXPike31 min
Feb 24, 10:39 AM CSTSpecial Weather StatementBMXElmore36 min
Feb 24, 10:59 AM CSTSpecial Weather StatementBMXTallapoosa31 min
Feb 24, 11:17 AM CSTSpecial Weather StatementBMXRandolph28 min
Feb 24, 11:23 AM CSTSpecial Weather StatementBMXBarbour52 min
Feb 24, 2:44 PM CSTFire Weather WatchBMXAutauga, Barbour, Bibb, Blount, Bullock, Calhoun and 33 more14 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.