Alert archive / Alabama / Tornado Warnings in 2012

Tornado Warning 31, NWS Birmingham, AL

March 23, 2012Pike County, Alabama

NWS Birmingham, AL issued this tornado warning at Mar 23, 2012, 8:59 AM CDT for Pike County, Alabama. It was in force for 31 min. 3 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, 8:59 AM CDT (13:59 UTC)
Expired
Mar 23, 2012, 9:30 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, 9:26 AM CDTTORNADO 15 Wnw Troy, ALTHIS TORNADO TOUCHED DOWN INITIALLY JUST SOUTHWEST OF PIKE COUNTY ROAD 1 ABOUT 2.5 MILES SOUTHWEST OF TROY MUNICIPAL AIRPORT, WHERE A LARGE PARTIALLY ROTTED TREE WAS SNAPPED, AND SEVERAL LARGE TREE BRANCHES AT THE EDGES OF PLOWED FIELDS WERE SNAPPED. IT PROCEE
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, 2.0 hours before the alert went out and 166 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.

049 
WFUS54 KBMX 231359
TORBMX
ALC109-231430-
/O.NEW.KBMX.TO.W.0031.120323T1359Z-120323T1430Z/

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

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

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

* UNTIL 930 AM CDT

* AT 859 AM CDT...THE NATIONAL WEATHER SERVICE INDICATED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM
  WAS LOCATED NEAR GOSHEN...AND MOVING NORTHEAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  TROY...ANSLEY...TROY MUNICIPAL AIRPORT...TROY UNIVERSITY...
  ANTIOCH...LINWOOD...BANKS...MOSSY GROVE...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.

&&

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

LAT...LON 3168 8615 3178 8615 3179 8621 3183 8619
      3187 8619 3201 8590 3197 8588 3197 8579
      3188 8579 3188 8573 3179 8571
TIME...MOT...LOC 1359Z 245DEG 20KT 3178 8615

$$
2 follow-up statements
076 
WWUS54 KBMX 231413
SVSBMX

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

ALC109-231430-
/O.CON.KBMX.TO.W.0031.000000T0000Z-120323T1430Z/
PIKE AL-
913 AM CDT FRI MAR 23 2012

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

AT 913  AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS 
STORM WAS LOCATED NEAR ANSLEY...OR 7 MILES WEST OF TROY...MOVING 
NORTHEAST AT 25 MPH.

LOCATIONS IMPACTED INCLUDE...
  TROY...ANSLEY...TROY MUNICIPAL AIRPORT...TROY UNIVERSITY...
  LINWOOD...BANKS...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.

&&

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

LAT...LON 3170 8614 3172 8616 3178 8615 3179 8619
      3181 8621 3188 8619 3201 8591 3200 8590
      3197 8588 3197 8579 3188 8579 3188 8573
      3187 8572 3186 8572
TIME...MOT...LOC 1413Z 240DEG 20KT 3182 8608

$$
558 
WWUS54 KBMX 231424
SVSBMX

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

ALC109-231430-
/O.CON.KBMX.TO.W.0031.000000T0000Z-120323T1430Z/
PIKE AL-
924 AM CDT FRI MAR 23 2012

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

AT 924 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR TROY MUNICIPAL AIRPORT...OR 5 MILES WEST OF
TROY...MOVING NORTHEAST AT 25 MPH.

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

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 3200 8592 3187 8580 3175 8608 3188 8619
TIME...MOT...LOC 1424Z 242DEG 16KT 3184 8604

$$

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, 9:28 AM CDTAreal Flood WarningBMXSumter3 hr
Mar 23, 9:29 AM CDTTornado WarningBMXPike31 min
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.