Alert archive / Alabama / Tornado Warnings in 2012

Tornado Warning 14, NWS Birmingham, AL

January 23, 20124 counties in Alabama

NWS Birmingham, AL issued this tornado warning at Jan 23, 2012, 6:36 AM CST for 4 counties in Alabama. It was in force for 39 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, 6:36 AM CST (12:36 UTC)
Expired
Jan 23, 2012, 7:15 AM CST
In force
39 min
Issued by
NWS Birmingham, AL
Area
Storm-based polygon

Counties Autauga County, AL, Chilton County, AL, Coosa County, AL, Elmore County, AL

The radar

The Birmingham radar (KBMX), 53 km from the middle of the area, began a volume at 12:36 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, 6:36 AM CSTTORNADO 1Enterprise, ALAN EF1 TORNADO TOUCHED DOWN NEAR A MOBILE HOME PARK NEAR CR 99 AND HWY 24. SEVERAL MOBILE HOMES HAD MINOR ROOF AND UNDERPINNING DAMAGE AND ONE MOBILE HOME WAS DESTROYED. THE TORNADO CONTINUED TOWARDS THE NE CROSSING HWY 49 AND SEVERELY DAMAGING 3 HOMES. ONE HO

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

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 0.6 hours before the alert went out and 186 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, Peachtre/Fal Fld, GA at 12:00Z on 2012-01-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Peachtre/Fal Fld, GA at 12:00Z on 2012-01-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 492 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
463 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
492 m²/s²
0-3 km storm-relative helicity
722 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

698 
WFUS54 KBMX 231236
TORBMX
ALC001-021-037-051-231315-
/O.NEW.KBMX.TO.W.0014.120123T1236Z-120123T1315Z/

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

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN AUTAUGA COUNTY IN ALABAMA...
  SOUTHEASTERN CHILTON COUNTY IN ALABAMA...
  SOUTHERN COOSA COUNTY IN EAST CENTRAL ALABAMA...
  NORTHWESTERN ELMORE COUNTY IN EAST CENTRAL ALABAMA...

* UNTIL 715 AM CST

* AT 636 AM CST...THE NATIONAL WEATHER SERVICE INDICATED A SEVERE   
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM   
WAS LOCATED NEAR POOLES CROSSROADS...OR 9 MILES SOUTH OF CLANTON...  
AND MOVING EAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ROCKFORD...VERBENA...MARBURY...HIGGINS FERRY PARK...DOLLAR...
  WELONA...LYLE...MORIAH...SPEED AND PENTONVILLE.

THIS INCLUDES...
INTERSTATE 65 EXIT NUMBERS 200 THROUGH 205...

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 3299 8618 3278 8609 3260 8670 3277 8677
TIME...MOT...LOC 1236Z 250DEG 40KT 3272 8661

$$

MWR
3 follow-up statements
580 
WWUS54 KBMX 231242
SVSBMX

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

ALC001-021-037-051-231315-
/O.CON.KBMX.TO.W.0014.000000T0000Z-120123T1315Z/
CHILTON AL-COOSA AL-ELMORE AL-AUTAUGA AL-
642 AM CST MON JAN 23 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHEASTERN AUTAUGA...
NORTHWESTERN ELMORE...SOUTHERN COOSA AND EAST CENTRAL CHILTON
COUNTIES UNTIL 715 AM CST...

AT 642 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 6 MILES EAST OF POOLES CROSSROADS...OR 7 MILES
SOUTH OF CLANTON...MOVING NORTHEAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  ROCKFORD...VERBENA...HIGGINS FERRY PARK...DOLLAR...WELONA...LYLE...
  SPEED...PENTONVILLE...BENTLEYVILLE AND COTTAGE GROVE.

THIS INCLUDES...
INTERSTATE 65 EXIT NUMBERS 200 THROUGH 205...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3266 8662 3279 8667 3297 8624 3299 8618
      3278 8609
TIME...MOT...LOC 1242Z 250DEG 40KT 3276 8655

$$

MWR
449 
WWUS54 KBMX 231259
SVSBMX

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

ALC001-231309-
/O.CAN.KBMX.TO.W.0014.000000T0000Z-120123T1315Z/
AUTAUGA AL-
659 AM CST MON JAN 23 2012

...THE TORNADO WARNING FOR NORTHEASTERN AUTAUGA COUNTY IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF AUTAUGA COUNTY.

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

LAT...LON 3271 8641 3270 8647 3280 8651 3293 8615
      3278 8609
TIME...MOT...LOC 1259Z 250DEG 40KT 3275 8637

$$

ALC021-037-051-231315-
/O.CON.KBMX.TO.W.0014.000000T0000Z-120123T1315Z/
CHILTON AL-COOSA AL-ELMORE AL-
659 AM CST MON JAN 23 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHWESTERN ELMORE...
SOUTHERN COOSA AND SOUTHEASTERN CHILTON COUNTIES UNTIL 715 AM CST...

AT 655 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR MARBURY...OR 14 MILES SOUTHEAST OF CLANTON...
MOVING EAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  ROCKFORD...WELONA...SPEED...PENTONVILLE...NIXBURG...COTTAGE GROVE
  AND HISSOP.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3271 8641 3270 8647 3280 8651 3293 8615
      3278 8609
TIME...MOT...LOC 1259Z 250DEG 40KT 3275 8637

$$

MWR
265 
WWUS54 KBMX 231308
SVSBMX

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

ALC021-051-231318-
/O.CAN.KBMX.TO.W.0014.000000T0000Z-120123T1315Z/
CHILTON AL-ELMORE AL-
708 AM CST MON JAN 23 2012

...THE TORNADO WARNING FOR NORTHWESTERN ELMORE AND SOUTHEASTERN
CHILTON COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF ELMORE AND 
CHILTON COUNTIES.

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

LAT...LON 3275 8624 3275 8632 3277 8633 3275 8634
      3275 8635 3283 8637 3293 8615 3278 8609
TIME...MOT...LOC 1308Z 250DEG 40KT 3278 8626

$$

ALC037-231315-
/O.CON.KBMX.TO.W.0014.000000T0000Z-120123T1315Z/
COOSA AL-
708 AM CST MON JAN 23 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL COOSA COUNTY
UNTIL 715 AM CST...

AT 704 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR WELONA...OR 10 MILES SOUTHWEST OF ROCKFORD...
MOVING NORTHEAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  ROCKFORD...SPEED...PENTONVILLE...NIXBURG...COTTAGE GROVE AND
  HISSOP.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3275 8624 3275 8632 3277 8633 3275 8634
      3275 8635 3283 8637 3293 8615 3278 8609
TIME...MOT...LOC 1308Z 250DEG 40KT 3278 8626

$$

MWR

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, 5:11 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, 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.