Alert archive / Alabama / Tornado Warnings in 2012

Tornado Warning 32, NWS Birmingham, AL

March 23, 2012Pike County, Alabama

NWS Birmingham, AL issued this tornado warning at Mar 23, 2012, 9:29 AM CDT for Pike County, Alabama. It was in force for 31 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 23, 2012, 9:29 AM CDT (14:29 UTC)
Expired
Mar 23, 2012, 10:00 AM CDT
In force
31 min
Issued by
NWS Birmingham, AL
Area
Storm-based polygon

County Pike County, AL

What was reported inside it

TimeReportWhereRemark
Mar 23, 9:29 AM CDTTORNADO2 Ssw Troy Municipal Ai, ALTORNADO REPORTED BY TROY AIRPORT WEST OF THE AIRPORT MOVING TOWARD THE AIRPORT.
Mar 23, 9:34 AM CDTTORNADO1 S Troy Municipal Airp, ALHOUSE AND BARN SUSTAINED DAMAGE ALONG OAK GROVE ROAD JUST SOUTH OF THE AIRPORT.

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

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 2.5 hours before the alert went out and 158 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 2012-03-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 490 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 2012-03-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 176 square meters per square second.19395878Sfc1 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
490 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
500 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
176 m²/s²
0-3 km storm-relative helicity
225 m²/s²
Significant tornado parameter
0.4
Supercell composite
3.1

Open this sounding in Storm Lab

The text

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

364 
WFUS54 KBMX 231429
TORBMX
ALC109-231500-
/O.NEW.KBMX.TO.W.0032.120323T1429Z-120323T1500Z/

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

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN PIKE COUNTY IN SOUTHEAST ALABAMA...

* UNTIL 1000 AM CDT

* AT 929 AM CDT...THE NATIONAL WEATHER SERVICE INDICATED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM
  WAS LOCATED NEAR TROY MUNICIPAL AIRPORT...OR NEAR TROY...AND MOVING
  NORTHEAST AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  TROY...TROY MUNICIPAL AIRPORT...LINWOOD...ORION AND SANDFIELD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. AS A LAST
RESORT...EITHER PARK YOUR VEHICLE AND STAY PUT...OR ABANDON YOUR
VEHICLE AND LIE DOWN IN A LOW LYING AREA.

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR
THE TORNADO. TAKE COVER NOW.

&&

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

LAT...LON 3188 8609 3189 8609 3197 8603 3196 8600
      3199 8600 3205 8590 3204 8590 3199 8590
      3197 8588 3197 8579 3188 8579 3178 8600
TIME...MOT...LOC 1429Z 236DEG 19KT 3186 8602

$$

!
2 follow-up statements
135 
WWUS54 KBMX 231440
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
940 AM CDT FRI MAR 23 2012

ALC109-231500-
/O.CON.KBMX.TO.W.0032.000000T0000Z-120323T1500Z/
PIKE AL-
940 AM CDT FRI MAR 23 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHERN PIKE COUNTY UNTIL
1000 AM CDT...

AT 939 AM CDT...TRAINED WEATHER SPOTTERS AT THE TROY AIRPORT 
REPORTED A TORNADO.  THIS TORNADO WAS LOCATED NEAR TROY MUNICIPAL 
AIRPORT...OR NEAR TROY...MOVING NORTHEAST AT 20 MPH. THE TORNADO 
WUILL CROSS US HIGHWAY 231 WITHIN MINUTES.

LOCATIONS IMPACTED INCLUDE...
  LINWOOD...ORION AND SANDFIELD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. AS A LAST
RESORT... EITHER PARK YOUR VEHICLE AND STAY PUT...OR ABANDON YOUR
VEHICLE AND LIE DOWN IN A LOW LYING AREA.

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR
THE TORNADO. TAKE COVER NOW.

&&

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

LAT...LON 3189 8608 3202 8595 3205 8590 3199 8590
      3197 8588 3197 8579 3191 8579 3179 8599
TIME...MOT...LOC 1439Z 237DEG 10KT 3186 8601

$$
156 
WWUS54 KBMX 231453
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
953 AM CDT FRI MAR 23 2012

ALC109-231500-
/O.CON.KBMX.TO.W.0032.000000T0000Z-120323T1500Z/
PIKE AL-
953 AM CDT FRI MAR 23 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHERN PIKE COUNTY UNTIL
1000 AM CDT...

AT 953 AM CDT...EMERGENCY MANAGEMENT REPORTED A TORNADO WITH DAMAGE 
NEAR THE TROY AIRPORT.  THIS TORNADO WAS LOCATED NEAR TROY MUNICIPAL 
AIRPORT...OR JUST NORTH OF TROY...MOVING NORTHEAST AT 20 MPH.

LOCATIONS IMPACTED INCLUDE...
  LINWOOD...ORION AND SANDFIELD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. AS A LAST
RESORT... EITHER PARK YOUR VEHICLE AND STAY PUT...OR ABANDON YOUR
VEHICLE AND LIE DOWN IN A LOW LYING AREA.

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR
THE TORNADO. TAKE COVER NOW.

&&

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

LAT...LON 3189 8608 3202 8595 3205 8590 3199 8590
      3197 8588 3197 8579 3191 8579 3179 8599
TIME...MOT...LOC 1453Z 237DEG 10KT 3188 8597

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 22, 7:03 PM CDTAreal Flood AdvisoryBMXMarengo3 hr
Mar 22, 8:31 PM CDTAreal Flood WarningBMXMarengo3 hr
Mar 22, 10:44 PM CDTAreal Flood AdvisoryBMXDallas, Perry2 hr
Mar 23, 3:18 AM CDTSpecial Weather StatementBMXAutauga27 min
Mar 23, 6:16 AM CDTAreal Flood AdvisoryBMXAutauga, Dallas, Lowndes3 hr
Mar 23, 6:24 AM CDTFlash Flood WarningBMXSumter3 hr
Mar 23, 6:39 AM CDTAreal Flood AdvisoryBMXGreene, Pickens3 hr
Mar 23, 7:46 AM CDTSpecial Weather StatementBMXTuscaloosa44 min
Mar 23, 8:20 AM CDTSpecial Weather StatementBMXMontgomery, Pike40 min
Mar 23, 8:54 AM CDTAreal Flood WarningBMXLowndes3 hr
Mar 23, 8:59 AM CDTTornado WarningBMXPike31 min
Mar 23, 9:28 AM CDTAreal Flood WarningBMXSumter3 hr
Mar 23, 10:04 AM CDTTornado WarningBMXPike26 min
Mar 23, 10:17 AM CDTSpecial Weather StatementBMXBarbour, Bullock43 min
Mar 23, 10:30 AM CDTSpecial Weather StatementBMXPike30 min
Mar 23, 10:35 AM CDTSpecial Weather StatementBMXSt. Clair25 min
Mar 23, 10:53 AM CDTFlash Flood WarningBMXPike3 hr
Mar 23, 10:55 AM CDTAreal Flood AdvisoryBMXJefferson, St. Clair, Shelby2 hr
Mar 23, 10:56 AM CDTSpecial Weather StatementBMXBarbour64 min
Mar 23, 11:01 AM CDTSpecial Weather StatementBMXSt. Clair59 min
Mar 23, 11:27 AM CDTFlash Flood WarningBMXSt. Clair3 hr
Mar 23, 11:52 AM CDTAreal Flood AdvisoryBMXCalhoun, Etowah3 hr
Mar 23, 12:22 PM CDTAreal Flood AdvisoryBMXBarbour, Bullock3 hr
Mar 23, 1:36 PM CDTAreal Flood AdvisoryBMXCalhoun, Cherokee3 hr
Mar 23, 4:02 PM CDTSevere Thunderstorm WarningBMXElmore28 min
Mar 23, 4:28 PM CDTSpecial Weather StatementBMXElmore47 min
Mar 23, 5:13 PM CDTSpecial Weather StatementBMXTallapoosa47 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.