Alert archive / Alabama / Tornado Warnings in 2012

Tornado Warning 4, NWS Birmingham, AL

January 23, 2012Jefferson County, Tuscaloosa County, Walker County, Alabama

NWS Birmingham, AL issued this tornado warning at Jan 23, 2012, 3:02 AM CST for Jefferson County, Tuscaloosa County, Walker County, Alabama. It was in force for 43 min. 6 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
Jan 23, 2012, 3:02 AM CST (09:02 UTC)
Expired
Jan 23, 2012, 3:45 AM CST
In force
43 min
Issued by
NWS Birmingham, AL
Area
Storm-based polygon

Counties Jefferson County, AL, Tuscaloosa County, AL, Walker County, AL

The radar

The Birmingham radar (KBMX), 53 km from the middle of the area, began a volume at 09:03 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, 3:09 AM CSTTORNADO 23 Wnw Bull City, AL*** 1 FATAL *** THE TORNADO STARTED IN EXTREME EASTERN TUSCALOOSA COUNTY AND MOVED INTO JEFFERSON COUNTY. NUMEROUS TREES WERE SNAPPED OFF AND UPROOTED ALONG THE PATH. ONE FATALITY OCCURRED WHEN A MOBILE HOME WAS DESTROYED. SEVERAL OTHER STRUCTURES RECEIVED VAR
Jan 23, 3:23 AM CSTTSTM WND DMG5 Sw Short Creek, ALREPORTS OF TREES DOWN AND POSSIBLE STRUCTURAL DAMAGE NEAR SMITHVILLE BAPTIST CHURCH ON TOADVINE ROAD NEAR OAK GROVE. POSSIBLE TORNADO. TIME ESTIMATED FROM RADAR.
Jan 23, 3:24 AM CSTTSTM WND DMG3 Sw Short Creek, ALMULTIPLE TREES DOWN ON TAYLORS FERRY ROAD.
Jan 23, 3:26 AM CSTTSTM WND DMGOak Grove, ALTREES DOWN ON TOADVINE ROAD. POSSIBLE TORNADO.
Jan 23, 3:31 AM CSTTSTM WND DMG3 Sw Short Creek, ALTREES DOWN ACROSS TAYLORS FERRY ROAD. POSSIBLE TORNADO.
Jan 23, 3:43 AM CSTTSTM WND DMG2 W Oak Grove, ALTREES DOWN BLOCKING CAMP OLIVER ROAD BY STRINGFELLOW HILL ROAD WEST OF OAK GROVE.

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 22, 10:59 PM CSTTornado WatchSPC7 hr
Jan 23, 2:44 AM CSTTornado WatchSPC9 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 9.0 hours before the alert went out and 52 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°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.

490 
WFUS54 KBMX 230902
TORBMX
ALC073-125-127-230945-
/O.NEW.KBMX.TO.W.0004.120123T0902Z-120123T0945Z/

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

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN JEFFERSON COUNTY IN ALABAMA...
  NORTHEASTERN TUSCALOOSA COUNTY IN WEST CENTRAL ALABAMA...
  SOUTHEASTERN WALKER COUNTY IN ALABAMA...

* UNTIL 345 AM CST

* AT 257 AM CST...THE NATIONAL WEATHER SERVICE WAS TRACKING A
  CONFIRMED TORNADO 7 MILES SOUTHWEST OF BANKHEAD LOCK AND DAM...OR
  11 MILES NORTH OF HOLT. DOPPLER RADAR SHOWED THIS TORNADO MOVING   
  EAST AT 45 MPH. SEVERAL REPORTS OF DAMAGE HAVE BEEN           
REPORTED...THIS IS A DANGEROUS SITUATION!

* LOCATIONS IMPACTED INCLUDE...
  FAIRFIELD...BIRMINGHAM...BANKHEAD LOCK AND DAM...BULL CITY...OAK
  GROVE...SYLVAN SPRINGS...WEST JEFFERSON...QUINTON...MAYTOWN AND
  MULGA.

THIS INCLUDES...
INTERSTATE 65 EXIT NUMBERS 261 THROUGH 275...
US 78 EXIT NUMBERS 78 THROUGH 91...
INTERSTATE 20 EXIT NUMBERS 118 THROUGH 128...

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 3378 8688 3352 8675 3335 8733 3352 8739
TIME...MOT...LOC 0901Z 248DEG 40KT 3342 8740

$$

17/KLAWS
2 follow-up statements
493 
WWUS54 KBMX 230916
SVSBMX

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

ALC125-127-230925-
/O.CAN.KBMX.TO.W.0004.000000T0000Z-120123T0945Z/
TUSCALOOSA AL-WALKER AL-
316 AM CST MON JAN 23 2012

...THE TORNADO WARNING FOR SOUTHEASTERN WALKER AND NORTHEASTERN
TUSCALOOSA COUNTIES 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 3352 8675 3343 8706 3339 8725 3349 8733
      3348 8729 3350 8728 3350 8727 3352 8728
      3351 8725 3354 8723 3355 8719 3357 8720
      3363 8710 3364 8709 3378 8688
TIME...MOT...LOC 0915Z 253DEG 41KT 3346 8723

$$

ALC073-230945-
/O.CON.KBMX.TO.W.0004.000000T0000Z-120123T0945Z/
JEFFERSON AL-
316 AM CST MON JAN 23 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR WESTERN JEFFERSON COUNTY
UNTIL 345 AM CST...

AT 311 AM CST...EMERGENCY MANAGEMENT REPORTED DAMAGE WITH A TORNADO 
MOST LIKELY ON THE GROUND. THIS TORNADO WAS LOCATED NEAR BULL 
CITY...OR 16 MILES WEST OF HUEYTOWN...MOVING EAST AT 50 MPH.

LOCATIONS IMPACTED INCLUDE...
  FAIRFIELD...BIRMINGHAM...OAK GROVE...SYLVAN SPRINGS...WEST
  JEFFERSON...MAYTOWN...MULGA...MINOR...ADAMSVILLE AND GRAYSVILLE.

THIS INCLUDES...
INTERSTATE 65 EXIT NUMBERS 260 THROUGH 275...
US 78 EXIT NUMBERS 81 THROUGH 91...
INTERSTATE 20 EXIT NUMBERS 118 THROUGH 128...

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 3352 8675 3343 8706 3339 8725 3349 8733
      3348 8729 3350 8728 3350 8727 3352 8728
      3351 8725 3354 8723 3355 8719 3357 8720
      3363 8710 3364 8709 3378 8688
TIME...MOT...LOC 0915Z 253DEG 41KT 3346 8723

$$

17
194 
WWUS54 KBMX 230926
SVSBMX

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

ALC073-230945-
/O.CON.KBMX.TO.W.0004.000000T0000Z-120123T0945Z/
JEFFERSON AL-
326 AM CST MON JAN 23 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL JEFFERSON COUNTY
UNTIL 345 AM CST...

AT 321 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING 
A THUNDERSTORM WITH A HISTORY OF PRODUCING DAMAGE FROM A POSSIBLE 
TORNADO. THIS THUNDERSTORM WAS LOCATED NEAR OAK GROVE...OR 10 MILES 
WEST OF HUEYTOWN...MOVING EAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  BIRMINGHAM...SYLVAN SPRINGS...WEST JEFFERSON...MAYTOWN...MULGA...
  MINOR...ADAMSVILLE...GRAYSVILLE...ENSLEY AND FORESTDALE.

THIS INCLUDES...
INTERSTATE 65 EXIT NUMBERS 261 THROUGH 275...
US 78 EXIT NUMBERS 81 THROUGH 91...
INTERSTATE 20 EXIT NUMBERS 120 THROUGH 128...

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 3352 8675 3345 8717 3354 8723 3355 8719
      3357 8720 3363 8709 3364 8709 3378 8688
TIME...MOT...LOC 0925Z 250DEG 41KT 3351 8711

$$

17

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, 3:04 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, 5:11 AM CSTTornado Warning EmergencyBMXChilton, Coosa34 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.