Alert archive / Alabama / Tornado Warnings in 2012

Tornado Warning 10, NWS Birmingham, AL

January 23, 2012Chilton County, Coosa County, Alabama

NWS Birmingham, AL issued this tornado warning at Jan 23, 2012, 5:11 AM CST for Chilton County, Coosa County, Alabama. It was in force for 34 min. 1 report 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
Jan 23, 2012, 5:11 AM CST (11:11 UTC)
Expired
Jan 23, 2012, 5:45 AM CST
In force
34 min
Issued by
NWS Birmingham, AL
Area
Storm-based polygon
Emergency
Tornado emergency

Counties Chilton County, AL, Coosa County, AL

The radar

The Birmingham radar (KBMX), 31 km from the middle of the area, began a volume at 11:14 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
Jan 23, 5:20 AM CSTTORNADO 24 W Clanton, ALWKLF RADIO STUDIO DESTROYED...AND 302 FOOT TRANSMISSION TOWER WAS TOPPLED AT THE INTERSECTION OF ALABAMA HIGHWAY 22 AND COUNTY ROAD 37. THE STRENGTH OF THE TORNADO WAS EF1 AT THIS LOCATION...BUT WAS ASSOCIATED WITH A EF2 PATH THAT MOVED THROUGH MAPLESVILLE

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
Jan 23, 2:44 AM CSTTornado WatchSPC9 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 11.2 hours before the alert went out and 32 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 2012-01-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 223 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 00:00Z on 2012-01-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 267 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
223 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
453 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
267 m²/s²
0-3 km storm-relative helicity
298 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.2

Open this sounding in Storm Lab

The text

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

128 
WFUS54 KBMX 231111
TORBMX
ALC021-037-231145-
/O.NEW.KBMX.TO.W.0010.120123T1111Z-120123T1145Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
511 AM CST MON JAN 23 2012

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL CHILTON COUNTY IN ALABAMA...
  WESTERN COOSA COUNTY IN EAST CENTRAL ALABAMA...

* UNTIL 545 AM CST

* AT 500 AM CST...THE NATIONAL WEATHER SERVICE INDICATED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM
  WAS LOCATED NEAR LAWLEY...OR 16 MILES SOUTHEAST OF CENTREVILLE...
  AND MOVING EAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CLANTON...WEOGUFKA...CHILTON COUNTY MOTOR SPORTS PARK...THORSBY...
  GAP OF THE MOUNTAIN...LAY LAKE DAM...HIGGINS FERRY PARK...DOLLAR...
  MARBLE VALLEY AND LYLE.

THIS INCLUDES...
INTERSTATE 65 EXIT NUMBERS 205 THROUGH 212...

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 3272 8692 3282 8697 3284 8693 3283 8688
      3287 8688 3302 8656 3302 8652 3304 8652
      3310 8640 3310 8634 3284 8622
TIME...MOT...LOC 1105Z 249DEG 43KT 3282 8689

$$

JD/02
4 follow-up statements
060 
WWUS54 KBMX 231115
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
515 AM CST MON JAN 23 2012

ALC021-037-231145-
/O.CON.KBMX.TO.W.0010.000000T0000Z-120123T1145Z/
CHILTON AL-COOSA AL-
515 AM CST MON JAN 23 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR WESTERN COOSA AND CENTRAL
CHILTON COUNTIES UNTIL 545 AM CST...

...TORNADO EMERGENCY FOR CHILTON COUNTY...

AT 509 AM CST...EMERGENCY MANAGEMENT REPORTED ROARING OVER SHELTERS. 
PERRY COUNTY HAS ALSO REPORTED DAMAGE FROM THIS TORNADO.  THIS 
TORNADO WAS LOCATED NEAR MAPLESVILLE...OR 12 MILES SOUTHWEST OF 
JEMISON...MOVING EAST AT 50 MPH.

LOCATIONS IMPACTED INCLUDE...
  CLANTON...WEOGUFKA...THORSBY...GAP OF THE MOUNTAIN...LAY LAKE
  DAM...HIGGINS FERRY PARK...DOLLAR...MARBLE VALLEY...MORIAH AND
  LYLE.

THIS INCLUDES...
INTERSTATE 65 EXIT NUMBERS 205 THROUGH 212...

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

LAT...LON 3283 8688 3286 8687 3302 8656 3302 8652
      3304 8652 3310 8640 3310 8634 3284 8622
      3273 8685
TIME...MOT...LOC 1114Z 251DEG 42KT 3282 8677

$$

JD/02
249 
WWUS54 KBMX 231125
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
525 AM CST MON JAN 23 2012

ALC021-037-231145-
/O.CON.KBMX.TO.W.0010.000000T0000Z-120123T1145Z/
CHILTON AL-COOSA AL-
525 AM CST MON JAN 23 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR WESTERN COOSA AND EAST
CENTRAL CHILTON COUNTIES UNTIL 545 AM CST...

...TORNADO EMERGENCY CONTINUES FOR CHILTON COUNTY...

AT 523 AM CST...EMERGENCY MANAGEMENT REPORTED A TORNADO WITH A 
HISTORY OF PRODUCING DAMAGE.  THIS TORNADO WAS LOCATED NEAR 
CLANTON...MOVING EAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  CLANTON...WEOGUFKA...GAP OF THE MOUNTAIN...LAY LAKE DAM...HIGGINS
  FERRY PARK...DOLLAR...MORIAH...LYLE...UNITY AND MARBLE VALLEY.

THIS INCLUDES...
INTERSTATE 65 EXIT NUMBERS 205 THROUGH 212...

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

LAT...LON 3284 8622 3277 8666 3283 8672 3292 8671
      3301 8656 3302 8652 3304 8652 3310 8640
      3310 8634
TIME...MOT...LOC 1125Z 254DEG 39KT 3285 8666

$$

JD/02
549 
WWUS54 KBMX 231131
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
531 AM CST MON JAN 23 2012

ALC021-037-231145-
/O.CON.KBMX.TO.W.0010.000000T0000Z-120123T1145Z/
CHILTON AL-COOSA AL-
531 AM CST MON JAN 23 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR WESTERN COOSA AND EAST
CENTRAL CHILTON COUNTIES UNTIL 545 AM CST...

...TORNADO EMERGENCY CONTINUES FOR CHILTON COUNTY...

AT 528 AM CST...EMERGENCY MANAGEMENT REPORTED A TORNADO WITH A 
HISTORY OF PRODUCING DAMAGE.  THIS TORNADO WAS LOCATED NEAR 
CLANTON...MOVING NORTHEAST AT 40 MPH.

LOCATIONS IMPACTED INCLUDE...
  WEOGUFKA...GAP OF THE MOUNTAIN...HIGGINS FERRY PARK...LAY LAKE
  DAM...DOLLAR...MARBLE VALLEY...MORIAH...UNITY...LYLE AND STRICKLAND
  CROSSROADS.

THIS INCLUDES...
INTERSTATE 65 EXIT NUMBERS 208 THROUGH 212...

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

LAT...LON 3284 8622 3281 8659 3285 8667 3294 8668
      3301 8656 3302 8652 3304 8652 3310 8640
      3310 8634
TIME...MOT...LOC 1130Z 242DEG 33KT 3288 8663

$$

JD/02
495 
WWUS54 KBMX 231135
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
535 AM CST MON JAN 23 2012

ALC021-037-231145-
/O.CON.KBMX.TO.W.0010.000000T0000Z-120123T1145Z/
CHILTON AL-COOSA AL-
535 AM CST MON JAN 23 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR WESTERN COOSA AND EAST
CENTRAL CHILTON COUNTIES UNTIL 545 AM CST...

...TORNADO EMERGENCY CONTINUES FOR CHILTON COUNTY...

AT 532 AM CST...EMERGENCY MANAGEMENT REPORTED A TORNADO WITH A 
HISTORY OF PRODUCING DAMAGE.  THIS TORNADO WAS LOCATED NEAR GAP OF 
THE MOUNTAIN...OR NEAR CLANTON...MOVING NORTHEAST AT 40 MPH.

LOCATIONS IMPACTED INCLUDE...
  WEOGUFKA...HIGGINS FERRY PARK...LAY LAKE DAM...DOLLAR...MARBLE
  VALLEY...MORIAH...UNITY...LYLE AND STRICKLAND CROSSROADS.

THIS INCLUDES...
INTERSTATE 65 EXIT NUMBERS 208 THROUGH 212...

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

LAT...LON 3284 8622 3283 8659 3288 8664 3296 8662
      3301 8656 3302 8652 3304 8652 3310 8640
      3310 8634
TIME...MOT...LOC 1135Z 242DEG 33KT 3290 8658

$$

JD/02

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 23, 12:22 AM CSTSevere Thunderstorm WarningBMXMarion23 min
Jan 23, 1:19 AM CSTSevere Thunderstorm WarningBMXMarion41 min
Jan 23, 1:56 AM CSTSevere Thunderstorm WarningBMXPickens, Tuscaloosa49 min
Jan 23, 2:09 AM CSTTornado WarningBMXPickens36 min
Jan 23, 2:23 AM CSTTornado WarningBMXGreene, Sumter52 min
Jan 23, 2:31 AM CSTTornado WarningBMXTuscaloosa44 min
Jan 23, 3:02 AM CSTTornado WarningBMXJefferson, Tuscaloosa, Walker43 min
Jan 23, 3:04 AM CSTTornado WarningBMXGreene, Sumter41 min
Jan 23, 3:32 AM CSTTornado WarningBMXBlount, Jefferson, St. Clair58 min
Jan 23, 3:33 AM CSTTornado WarningBMXBibb, Greene, Hale, Perry42 min
Jan 23, 3:50 AM CSTAreal Flood AdvisoryBMXJefferson, Tuscaloosa, Walker115 min
Jan 23, 4:15 AM CSTTornado Warning EmergencyBMXBlount, Calhoun, Etowah, Jefferson, St. Clair60 min
Jan 23, 4:27 AM CSTTornado WarningBMXBibb, Chilton, Dallas, Hale, Perry48 min
Jan 23, 5:24 AM CSTTornado WarningBMXClay, Shelby, Talladega26 min
Jan 23, 5:37 AM CSTTornado WarningBMXChilton, Coosa, Talladega38 min
Jan 23, 6:01 AM CSTTornado WarningBMXClay, Coosa, Tallapoosa44 min
Jan 23, 6:22 AM CSTAreal Flood AdvisoryBMXChilton, Coosa3 hr
Jan 23, 6:34 AM CSTAreal Flood AdvisoryBMXDallas, Perry116 min
Jan 23, 6:36 AM CSTTornado WarningBMXAutauga, Chilton, Coosa, Elmore39 min
Jan 23, 7:12 AM CSTSevere Thunderstorm WarningBMXCoosa, Elmore, Tallapoosa48 min
Jan 23, 7:15 AM CSTTornado WarningBMXChambers, Randolph, Tallapoosa17 min
Jan 23, 7:24 AM CSTAreal Flood AdvisoryBMXTalladega111 min
Jan 23, 7:32 AM CSTAreal Flood AdvisoryBMXChambers, Clay, Randolph, Tallapoosa3 hr
Jan 23, 7:42 AM CSTTornado WarningBMXChambers, Tallapoosa33 min
Jan 23, 8:09 AM CSTSevere Thunderstorm WarningBMXElmore, Tallapoosa36 min
Jan 23, 8:14 AM CSTAreal Flood AdvisoryBMXAutauga, Dallas, Lowndes3 hr
Jan 23, 8:20 AM CSTSevere Thunderstorm WarningBMXLowndes, Montgomery25 min
Jan 23, 8:34 AM CSTSevere Thunderstorm WarningBMXElmore, Lee, Macon, Tallapoosa41 min
Jan 23, 8:38 AM CSTFlash Flood WarningBMXChambers, Randolph4 hr
Jan 23, 8:44 AM CSTSevere Thunderstorm WarningBMXMontgomery31 min
Jan 23, 8:45 AM CSTAreal Flood AdvisoryBMXChambers, Lee, Macon, Tallapoosa3 hr
Jan 23, 9:09 AM CSTSevere Thunderstorm WarningBMXBullock, Elmore, Macon, Montgomery36 min
Jan 23, 9:12 AM CSTSevere Thunderstorm WarningBMXLowndes, Montgomery48 min
Jan 23, 9:19 AM CSTSevere Thunderstorm WarningBMXLee, Macon, Russell41 min
Jan 23, 10:20 AM CSTAreal Flood WarningBMXClay, Tallapoosa4 hr
Jan 23, 10:32 AM CSTSevere Thunderstorm WarningBMXLee, Russell28 min
Jan 23, 12:12 PM CSTRiver Flood WarningBMXChambers, Elmore, Macon, Randolph, Tallapoosa2 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.