Alert archive / Alabama / Tornado Warnings in 2012

Tornado Warning 25, NWS Birmingham, AL

March 2, 20124 counties in Alabama

NWS Birmingham, AL issued this tornado warning at Mar 2, 2012, 9:13 PM CST for 4 counties in Alabama. It was in force for 47 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Mar 2, 2012, 9:13 PM CST (03:13 UTC)
Expired
Mar 2, 2012, 10:00 PM CST
In force
47 min
Issued by
NWS Birmingham, AL
Area
Storm-based polygon

Counties Autauga County, AL, Chilton County, AL, Dallas County, AL, Perry County, AL

The radar

The Birmingham radar (KBMX), 58 km from the middle of the area, began a volume at 03:17 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Mar 2, 9:29 PM CSTTSTM WND DMGPaul M Grist State Park, ALMULTIPLE TREES DOWN AT THE STATE PARK. POSSIBLE TORNADO.
Mar 2, 9:31 PM CSTTSTM WND DMGPlantersville, ALMULTIPLE TREES DOWN ON AL HWY 22 JUST SOUTH OF PLANTERSVILLE. POSSIBLE TORNADO.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

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, 3.2 hours before the alert went out and 59 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.

274 
WFUS54 KBMX 030313
TORBMX
ALC001-021-047-105-030400-
/O.NEW.KBMX.TO.W.0025.120303T0313Z-120303T0400Z/

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

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN AUTAUGA COUNTY IN ALABAMA...
  SOUTHWESTERN CHILTON COUNTY IN ALABAMA...
  NORTH CENTRAL DALLAS COUNTY IN SOUTH CENTRAL ALABAMA...
  EAST CENTRAL PERRY COUNTY IN ALABAMA...

* UNTIL 1000 PM CST

* AT 912 PM CST...THE NATIONAL WEATHER SERVICE INDICATED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM
  WAS LOCATED 9 MILES NORTHWEST OF POTTER STATION...OR 10 MILES
  SOUTHEAST OF MARION...AND MOVING EAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  VALLEY GRANDE...PAUL M GRIST STATE PARK...PARNELL...PLECHER...VIDA
  JUNCTION...BILLINGSLEY...POOLES CROSSROADS...SUMMERFIELD...BARRETT
  CREEK AND VALLEY CREEK JUNCTION.

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 3279 8673 3257 8665 3249 8710 3263 8716
TIME...MOT...LOC 0313Z 250DEG 45KT 3255 8717

$$

87
3 follow-up statements
583 
WWUS54 KBMX 030326
SVSBMX

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

ALC001-021-047-105-030400-
/O.CON.KBMX.TO.W.0025.000000T0000Z-120303T0400Z/
CHILTON AL-DALLAS AL-PERRY AL-AUTAUGA AL-
926 PM CST FRI MAR 2 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHWESTERN AUTAUGA...
EAST CENTRAL PERRY...NORTH CENTRAL DALLAS AND SOUTHWESTERN CHILTON
COUNTIES UNTIL 1000 PM CST...

AT 921 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO ALONG WITH A 
POSSIBLE DEBRIS SIGNATURE. THIS DANGEROUS STORM WAS LOCATED 6 MILES 
WEST OF PAUL M GRIST STATE PARK...OR 7 MILES NORTHWEST OF VALLEY 
GRANDE...MOVING EAST AT 50 MPH.

LOCATIONS IMPACTED INCLUDE...
  PAUL M GRIST STATE PARK...PARNELL...PLECHER...VIDA JUNCTION...
  BILLINGSLEY...POOLES CROSSROADS...BARRETT CREEK...VALLEY CREEK
  JUNCTION...PLANTERSVILLE AND DAWSON MILL.

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

LAT...LON 3279 8673 3257 8665 3249 8710 3263 8716
TIME...MOT...LOC 0326Z 250DEG 45KT 3260 8702

$$

GRANTHAM
449 
WWUS54 KBMX 030333
SVSBMX

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

ALC105-030343-
/O.CAN.KBMX.TO.W.0025.000000T0000Z-120303T0400Z/
PERRY AL-
933 PM CST FRI MAR 2 2012

...THE TORNADO WARNING FOR EAST CENTRAL PERRY 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 3279 8673 3262 8667 3258 8696 3267 8699
TIME...MOT...LOC 0333Z 250DEG 45KT 3263 8693

$$

ALC001-021-047-030400-
/O.CON.KBMX.TO.W.0025.000000T0000Z-120303T0400Z/
CHILTON AL-DALLAS AL-AUTAUGA AL-
933 PM CST FRI MAR 2 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHWESTERN AUTAUGA...
EXTREME NORTHEASTERN DALLAS AND SOUTHWESTERN CHILTON COUNTIES UNTIL
1000 PM CST...

AT 931 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO ALONG WITH A 
POSSIBLE DEBRIS SIGNATURE.  THIS DANGEROUS STORM WAS LOCATED NEAR 
PAUL M GRIST STATE PARK...OR 7 MILES NORTH OF VALLEY GRANDE...MOVING 
EAST AT 50 MPH.

LOCATIONS IMPACTED INCLUDE...
  PARNELL...PLECHER...BILLINGSLEY AND POOLES CROSSROADS.

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

LAT...LON 3279 8673 3262 8667 3258 8696 3267 8699
TIME...MOT...LOC 0333Z 250DEG 45KT 3263 8693

$$

87
017 
WWUS54 KBMX 030341
SVSBMX

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

ALC047-030350-
/O.CAN.KBMX.TO.W.0025.000000T0000Z-120303T0400Z/
DALLAS AL-
941 PM CST FRI MAR 2 2012

...THE TORNADO WARNING FOR EXTREME NORTHEASTERN DALLAS 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 3259 8690 3267 8692 3277 8672 3263 8667
      3262 8668
TIME...MOT...LOC 0340Z 250DEG 44KT 3266 8683

$$

ALC001-021-030400-
/O.CON.KBMX.TO.W.0025.000000T0000Z-120303T0400Z/
CHILTON AL-AUTAUGA AL-
941 PM CST FRI MAR 2 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHWESTERN AUTAUGA AND
SOUTH CENTRAL CHILTON COUNTIES UNTIL 1000 PM CST...

AT 935 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
POSSIBLE TORNADO.  THIS VERY DANGEROUS STORM WAS LOCATED NEAR 
PARNELL...OR 9 MILES NORTHEAST OF VALLEY GRANDE...MOVING EAST AT 50 
MPH.

LOCATIONS IMPACTED INCLUDE...
  PLECHER...BILLINGSLEY AND POOLES CROSSROADS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

&&

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

LAT...LON 3259 8690 3267 8692 3277 8672 3263 8667
      3262 8668
TIME...MOT...LOC 0340Z 250DEG 44KT 3266 8683

$$

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, 9:16 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, 10:11 PM CSTTornado WarningBMXCoosa31 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.