Alert archive / Alabama / Tornado Warnings in 2012

Tornado Warning 28, NWS Birmingham, AL

March 2, 2012Coosa County, Alabama

NWS Birmingham, AL issued this tornado warning at Mar 2, 2012, 10:11 PM CST for Coosa County, Alabama. It was in force for 31 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 2, 2012, 10:11 PM CST (04:11 UTC)
Expired
Mar 2, 2012, 10:42 PM CST
In force
31 min
Issued by
NWS Birmingham, AL
Area
Storm-based polygon

County Coosa County, AL

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Mar 2, 4:37 PM CSTTornado WatchSPC7 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 4.2 hours before the alert went out and 68 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 00:00Z on 2012-03-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 754 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2012-03-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 231 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
754 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
1391 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
231 m²/s²
0-3 km storm-relative helicity
315 m²/s²
Significant tornado parameter
0.9
Supercell composite
7.4

Open this sounding in Storm Lab

The text

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

241 
WFUS54 KBMX 030411
TORBMX
ALC037-030500-
/O.NEW.KBMX.TO.W.0028.120303T0411Z-120303T0500Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1011 PM CST FRI MAR 2 2012

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN COOSA COUNTY IN EAST CENTRAL ALABAMA...

* UNTIL 1100 PM CST

* AT 1009 PM CST...NWS DOPPLER RADAR INDICATES A POSSIBLE TORNADO 
WITH A DEBRIS SIGNATURE ASSOCIATED WITH THIS STORM.  IT IS 14 MILES 
EAST OF CLANTON. DOPPLER RADAR SHOWED THIS TORNADO MOVING EAST AT 55 
MPH.

* LOCATIONS IMPACTED INCLUDE...
  ROCKFORD...EQUALITY...WELONA...SPEED...PENTONVILLE...COTTAGE
  GROVE...NIXBURG...HIGHWAY 9 AND HIGHWAY 22...HISSOP AND RAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. 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 3276 8601 3275 8632 3277 8633 3275 8635
      3275 8638 3280 8644 3281 8644 3297 8601
      3282 8601 3280 8600
TIME...MOT...LOC 0411Z 252DEG 48KT 3277 8638

$$

17
3 follow-up statements
682 
WWUS54 KBMX 030422
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1022 PM CST FRI MAR 2 2012

ALC037-030500-
/O.CON.KBMX.TO.W.0028.000000T0000Z-120303T0500Z/
COOSA AL-
1022 PM CST FRI MAR 2 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN COOSA COUNTY
UNTIL 1100 PM CST...

AT 1019 PM CST...EMERGENCY MANAGEMENT REPORTED EXTENSIVE DAMAGE FROM 
A POSSIBLE TORNADO.  TAKE SHELTER NOW IF YOU ARE IN THIS WARNING.  
THIS TORNADO WAS LOCATED NEAR PENTONVILLE...OR 7 MILES SOUTHWEST OF 
ROCKFORD...MOVING EAST AT 55 MPH.

LOCATIONS IMPACTED INCLUDE...
  ROCKFORD...COTTAGE GROVE...NIXBURG...HIGHWAY 9 AND HIGHWAY 22...
  HISSOP...RAY AND FISHPOND.

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

LAT...LON 3276 8628 3279 8632 3285 8632 3297 8601
      3295 8601 3283 8601 3282 8601 3280 8600
TIME...MOT...LOC 0421Z 253DEG 47KT 3281 8624

$$

17
077 
WWUS54 KBMX 030431
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1031 PM CST FRI MAR 2 2012

ALC037-030500-
/O.CON.KBMX.TO.W.0028.000000T0000Z-120303T0500Z/
COOSA AL-
1031 PM CST FRI MAR 2 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR EAST CENTRAL COOSA COUNTY
UNTIL 1100 PM CST...

AT 1029 PM CST...EMERGENCY MANAGEMENT REPORTED A POSSIBLE TORNADO 
WITH EXTENSIVE DAMAGE ASSOCIATED WITH THIS STORM.  THIS TORNADO WAS 
LOCATED NEAR COTTAGE GROVE...OR 6 MILES NORTH OF EQUALITY...MOVING 
EAST AT 55 MPH.

LOCATIONS IMPACTED INCLUDE...
  RAY AND FISHPOND.

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

LAT...LON 3282 8601 3280 8613 3284 8617 3290 8616
      3296 8604 3297 8601 3295 8601 3283 8601
TIME...MOT...LOC 0431Z 250DEG 47KT 3285 8609

$$

17
110 
WWUS54 KBMX 030442
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1042 PM CST FRI MAR 2 2012

ALC037-030452-
/O.CAN.KBMX.TO.W.0028.000000T0000Z-120303T0500Z/
COOSA AL-
1042 PM CST FRI MAR 2 2012

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

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.

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

LAT...LON 3282 8601 3280 8613 3284 8617 3290 8616
      3296 8604 3297 8601 3295 8601 3283 8601
TIME...MOT...LOC 0442Z 250DEG 47KT 3289 8592

$$

17

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 2, 6:01 PM CSTSevere Thunderstorm WarningBMXFayette, Lamar, Marion, Winston44 min
Mar 2, 6:01 PM CSTSevere Thunderstorm WarningBMXAutauga, Coosa, Elmore44 min
Mar 2, 6:05 PM CSTSevere Thunderstorm WarningBMXFayette, Lamar, Walker43 min
Mar 2, 6:11 PM CSTSevere Thunderstorm WarningBMXCalhoun, Cleburne49 min
Mar 2, 6:19 PM CSTTornado WarningBMXCalhoun, Cleburne41 min
Mar 2, 6:22 PM CSTTornado WarningBMXLowndes, Montgomery15 min
Mar 2, 6:33 PM CSTSevere Thunderstorm WarningBMXBlount, Etowah42 min
Mar 2, 6:44 PM CSTSevere Thunderstorm WarningBMXBibb, Jefferson, Shelby, Tuscaloosa46 min
Mar 2, 6:44 PM CSTSevere Thunderstorm WarningBMXSumter46 min
Mar 2, 6:46 PM CSTSevere Thunderstorm WarningBMXWinston29 min
Mar 2, 7:06 PM CSTSevere Thunderstorm WarningBMXGreene, Pickens, Sumter39 min
Mar 2, 7:11 PM CSTSevere Thunderstorm WarningBMXCherokee, Etowah49 min
Mar 2, 7:15 PM CSTSevere Thunderstorm WarningBMXJefferson, St. Clair45 min
Mar 2, 7:21 PM CSTSevere Thunderstorm WarningBMXGreene, Pickens, Sumter39 min
Mar 2, 7:36 PM CSTSevere Thunderstorm WarningBMXFayette, Lamar, Pickens39 min
Mar 2, 7:49 PM CSTSevere Thunderstorm WarningBMXJefferson, Tuscaloosa, Walker41 min
Mar 2, 7:51 PM CSTSevere Thunderstorm WarningBMXMarion, Walker, Winston39 min
Mar 2, 7:59 PM CSTSevere Thunderstorm WarningBMXFayette, Tuscaloosa, Walker46 min
Mar 2, 8:13 PM CSTSevere Thunderstorm WarningBMXFayette, Walker34 min
Mar 2, 8:17 PM CSTSevere Thunderstorm WarningBMXFayette, Lamar28 min
Mar 2, 8:38 PM CSTAreal Flood AdvisoryBMXGreene, Hale, Marengo, Sumter112 min
Mar 2, 8:38 PM CSTTornado WarningBMXDallas, Hale, Marengo, Perry52 min
Mar 2, 8:56 PM CSTSevere Thunderstorm WarningBMXMarion49 min
Mar 2, 9:13 PM CSTTornado WarningBMXAutauga, Chilton, Dallas, Perry47 min
Mar 2, 9:16 PM CSTAreal Flood AdvisoryBMXWalker, Winston119 min
Mar 2, 9:45 PM CSTTornado WarningBMXAutauga, Chilton29 min
Mar 2, 9:47 PM CSTAreal Flood AdvisoryBMXBlount3 hr
Mar 2, 10:00 PM CSTSevere Thunderstorm WarningBMXClay, Cleburne, Randolph, Talladega45 min
Mar 2, 10:08 PM CSTTornado WarningBMXClay, Cleburne, Randolph, Talladega24 min
Mar 2, 10:22 PM CSTSevere Thunderstorm WarningBMXJefferson38 min
Mar 2, 10:32 PM CSTAreal Flood AdvisoryBMXTalladega118 min
Mar 2, 10:34 PM CSTTornado WarningBMXTallapoosa41 min
Mar 2, 10:37 PM CSTAreal Flood AdvisoryBMXJefferson3 hr
Mar 2, 10:45 PM CSTSevere Thunderstorm WarningBMXCherokee, Etowah45 min
Mar 2, 10:46 PM CSTAreal Flood AdvisoryBMXBlount, Etowah, St. Clair3 hr
Mar 2, 10:52 PM CSTSevere Thunderstorm WarningBMXJefferson, St. Clair, Shelby23 min
Mar 2, 11:00 PM CSTTornado WarningBMXChambers45 min
Mar 2, 11:05 PM CSTAreal Flood AdvisoryBMXDallas, Greene, Hale, Marengo, Sumter3 hr
Mar 2, 11:15 PM CSTAreal Flood AdvisoryBMXBibb, St. Clair, Shelby, Talladega3 hr
Mar 2, 11:47 PM CSTSevere Thunderstorm WarningBMXCalhoun, Cleburne15 min
Mar 3, 12:25 AM CSTAreal Flood AdvisoryBMXChilton, Clay, Coosa, Perry, Talladega, Tallapoosa3 hr
Mar 3, 4:12 AM CSTAreal Flood AdvisoryBMXBibb, Chilton, Dallas, Greene, Hale, Marengo and 2 more3 hr
Mar 3, 4:27 AM CSTAreal Flood AdvisoryBMXClay, Coosa, St. Clair, Shelby, Talladega, Tallapoosa3 hr
Mar 3, 4:33 AM CSTAreal Flood AdvisoryBMXCalhoun, Chambers, Cleburne, Randolph, St. Clair3 hr
Mar 3, 5:15 AM CSTSpecial Weather StatementBMXRussell45 min

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.