Alert archive / Alabama / Tornado Warnings in 2012

Tornado Warning 8, NWS Birmingham, AL

January 23, 20125 counties in Alabama

NWS Birmingham, AL issued this tornado warning at Jan 23, 2012, 4:15 AM CST for 5 counties in Alabama. It was in force for 60 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: Jan 23, 2012, 4:15 AM CST (10:15 UTC)
Expired: Jan 23, 2012, 5:15 AM CST
In force: 60 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon
Emergency: Tornado emergency

Counties Blount County, AL, Calhoun County, AL, Etowah County, AL, Jefferson County, AL, St. Clair County, AL

The radar

The Northeast Alabama radar (KHTX), 108 km from the middle of the area, began a volume at 10:17 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

Time	Report	Where	Remark
Jan 23, 4:17 AM CST	TORNADO	Margaret, AL	PUBLIC REPORTED A TORNADO ON ROULAIN ROAD IN THE MARGARET COMMUNITY.
Jan 23, 4:27 AM CST	TORNADO	4 Ne Trussville, AL	MAJOR STRUCTURAL DAMAGE REPORTED IN TRUSSVILLE WITH MULTIPLE TREES DOWNED.
Jan 23, 4:29 AM CST	TORNADO	5 Ssw Springville, AL	MAJOR STRUCTUAL DAMAGE REPORTED ON OLD SPRINGVILLE ROAD. INJURIES UNKNOWN AT THIS TIME.

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.

Issued	Product	Office	Lasted
Jan 22, 10:59 PM CST	Tornado Watch	SPC	7 hr
Jan 23, 2:44 AM CST	Tornado Watch	SPC	9 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 10.3 hours before the alert went out and 121 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

643 
WFUS54 KBMX 231015
TORBMX
ALC009-015-055-073-115-231115-
/O.NEW.KBMX.TO.W.0008.120123T1015Z-120123T1115Z/

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

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN BLOUNT COUNTY IN ALABAMA...
  NORTHERN CALHOUN COUNTY IN EAST CENTRAL ALABAMA...
  SOUTHERN ETOWAH COUNTY IN NORTHEAST ALABAMA...
  NORTHEASTERN JEFFERSON COUNTY IN ALABAMA...
  NORTHERN ST. CLAIR COUNTY IN ALABAMA...

* UNTIL 515 AM CST

* AT 412 AM CST...STORM SPOTTERS AND THE NATIONAL WEATHER SERVICE
  WERE TRACKING A LARGE AND EXTREMELY DANGEROUS TORNADO NEAR CLAY...
  OR NEAR TRUSSVILLE. DOPPLER RADAR SHOWED THIS TORNADO MOVING
  NORTHEAST AT 55 MPH.

  THIS IS A TORNADO EMERGENCY FOR CLAY...SPRINGVILLE...ARGO...TAKE 
COVER NOW.

* LOCATIONS IMPACTED INCLUDE...
  SPRINGVILLE...ODENVILLE...MARKTON...RAINBOW CITY...GADSDEN...
  JACKSONVILLE...HOKES BLUFF...MARGARET...BRANCHVILLE AND ASHVILLE.

THIS INCLUDES...
INTERSTATE 59 EXIT NUMBERS 143 THROUGH 183...

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 3410 8580 3401 8574 3397 8574 3397 8570
      3379 8562 3378 8562 3363 8659 3379 8662
      3412 8584 3411 8583 3413 8581 3412 8579
TIME...MOT...LOC 1015Z 245DEG 46KT 3371 8653

$$
17

4 follow-up statements

219 
WWUS54 KBMX 231018
SVSBMX

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

ALC009-015-055-073-115-231115-
/O.CON.KBMX.TO.W.0008.000000T0000Z-120123T1115Z/
CALHOUN AL-BLOUNT AL-ETOWAH AL-JEFFERSON AL-ST. CLAIR AL-
418 AM CST MON JAN 23 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHERN ST. CLAIR...
NORTHEASTERN JEFFERSON...SOUTHERN ETOWAH...SOUTHEASTERN BLOUNT AND
NORTHERN CALHOUN COUNTIES UNTIL 515 AM CST...

...TORNADO EMERGENCY CONTINUES FOR CLAY...SPRINGVILLE...ARGO...

AT 412 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR AND STORM
SPOTTERS WERE TRACKING A LARGE AND EXTREMELY DANGEROUS TORNADO.  THIS
TORNADO WAS LOCATED NEAR CLAY...OR NEAR TRUSSVILLE...MOVING NORTHEAST
AT 55 MPH.

LOCATIONS IMPACTED INCLUDE...
  SPRINGVILLE...ODENVILLE...MARKTON...RAINBOW CITY...GADSDEN...
  JACKSONVILLE...HOKES BLUFF...BRANCHVILLE...ASHVILLE AND RAGLAND.

THIS INCLUDES...
INTERSTATE 59 EXIT NUMBERS 143 THROUGH 183...

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 3410 8580 3401 8574 3397 8574 3397 8570
      3379 8562 3378 8562 3363 8659 3379 8662
      3412 8584 3411 8583 3413 8581 3412 8579
TIME...MOT...LOC 1017Z 245DEG 46KT 3371 8650

$$

17

547 
WWUS54 KBMX 231030
SVSBMX

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

ALC009-073-231040-
/O.CAN.KBMX.TO.W.0008.000000T0000Z-120123T1115Z/
BLOUNT AL-JEFFERSON AL-
430 AM CST MON JAN 23 2012

...THE TORNADO WARNING FOR NORTHEASTERN JEFFERSON AND SOUTHEASTERN
BLOUNT 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 3412 8579 3410 8580 3403 8575 3397 8574
      3397 8570 3378 8562 3368 8647 3382 8648
      3382 8643 3387 8637 3412 8584 3411 8583
      3413 8581
TIME...MOT...LOC 1030Z 245DEG 46KT 3379 8632

$$

ALC015-055-115-231115-
/O.CON.KBMX.TO.W.0008.000000T0000Z-120123T1115Z/
CALHOUN AL-ETOWAH AL-ST. CLAIR AL-
430 AM CST MON JAN 23 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHERN ST. CLAIR...
SOUTHEASTERN ETOWAH AND NORTHERN CALHOUN COUNTIES UNTIL 515 AM CST...

AT 426 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR AND STORM
SPOTTERS WERE TRACKING A LARGE AND EXTREMELY DANGEROUS TORNADO.  THIS
TORNADO WAS LOCATED 6 MILES NORTH OF ODENVILLE...MOVING NORTHEAST AT
55 MPH.

LOCATIONS IMPACTED INCLUDE...
  MARKTON...RAINBOW CITY...GADSDEN...JACKSONVILLE...HOKES BLUFF...
  ASHVILLE...RAGLAND...STEELE...OHATCHEE AND GADSDEN MALL.

THIS INCLUDES...
INTERSTATE 59 EXIT NUMBERS 154 THROUGH 182...

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

LAT...LON 3412 8579 3410 8580 3403 8575 3397 8574
      3397 8570 3378 8562 3368 8647 3382 8648
      3382 8643 3387 8637 3412 8584 3411 8583
      3413 8581
TIME...MOT...LOC 1030Z 245DEG 46KT 3379 8632

$$

17

532 
WWUS54 KBMX 231035
SVSBMX

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

ALC015-055-115-231115-
/O.CON.KBMX.TO.W.0008.000000T0000Z-120123T1115Z/
CALHOUN AL-ETOWAH AL-ST. CLAIR AL-
435 AM CST MON JAN 23 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHEASTERN ST. CLAIR...
SOUTHEASTERN ETOWAH AND NORTHERN CALHOUN COUNTIES UNTIL 515 AM CST...

AT 431 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR AND STORM
SPOTTERS WERE TRACKING A LARGE AND EXTREMELY DANGEROUS TORNADO.  THIS
TORNADO WAS LOCATED NEAR ASHVILLE...OR 8 MILES NORTHEAST OF
ODENVILLE...MOVING NORTHEAST AT 50 MPH.

LOCATIONS IMPACTED INCLUDE...
  MARKTON...RAINBOW CITY...GADSDEN...JACKSONVILLE...HOKES BLUFF...
  RAGLAND...STEELE...OHATCHEE...GADSDEN MALL AND GLENCOE.

THIS INCLUDES...
INTERSTATE 59 EXIT NUMBERS 166 THROUGH 182...

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

LAT...LON 3412 8579 3410 8580 3401 8575 3397 8574
      3397 8570 3378 8562 3372 8636 3383 8639
      3387 8637 3412 8584 3411 8583 3413 8581
TIME...MOT...LOC 1036Z 245DEG 46KT 3381 8625

$$

17

541 
WWUS54 KBMX 231056
SVSBMX

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

ALC015-055-115-231115-
/O.CON.KBMX.TO.W.0008.000000T0000Z-120123T1115Z/
CALHOUN AL-ETOWAH AL-ST. CLAIR AL-
456 AM CST MON JAN 23 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHEASTERN ST. CLAIR...
SOUTHEASTERN ETOWAH AND NORTHERN CALHOUN COUNTIES UNTIL 515 AM CST...

AT 451 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING 
A THUNDERSTORM WITH A HISTORY OF PRODUCING DAMAGE.  THIS 
THUNDERSTORM WAS LOCATED NEAR OHATCHEE...OR 8 MILES SOUTHWEST OF 
MARKTON...MOVING EAST AT 50 MPH.

LOCATIONS IMPACTED INCLUDE...
  MARKTON...RAINBOW CITY...GADSDEN...HOKES BLUFF...JACKSONVILLE...
  GADSDEN MALL...GLENCOE...ANDERSON...GADSDEN MUNICIPAL AIRPORT AND
  SOUTHSIDE.

THIS INCLUDES...
INTERSTATE 59 EXIT NUMBERS 174 THROUGH 182...

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 3412 8579 3410 8580 3401 8575 3397 8574
      3397 8570 3378 8562 3374 8611 3394 8622
      3412 8584 3411 8583 3413 8581
TIME...MOT...LOC 1055Z 249DEG 43KT 3380 8603

$$

17

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 23, 12:22 AM CST	Severe Thunderstorm Warning	BMX	Marion	23 min
Jan 23, 1:19 AM CST	Severe Thunderstorm Warning	BMX	Marion	41 min
Jan 23, 1:56 AM CST	Severe Thunderstorm Warning	BMX	Pickens, Tuscaloosa	49 min
Jan 23, 2:09 AM CST	Tornado Warning	BMX	Pickens	36 min
Jan 23, 2:23 AM CST	Tornado Warning	BMX	Greene, Sumter	52 min
Jan 23, 2:31 AM CST	Tornado Warning	BMX	Tuscaloosa	44 min
Jan 23, 3:02 AM CST	Tornado Warning	BMX	Jefferson, Tuscaloosa, Walker	43 min
Jan 23, 3:04 AM CST	Tornado Warning	BMX	Greene, Sumter	41 min
Jan 23, 3:32 AM CST	Tornado Warning	BMX	Blount, Jefferson, St. Clair	58 min
Jan 23, 3:33 AM CST	Tornado Warning	BMX	Bibb, Greene, Hale, Perry	42 min
Jan 23, 3:50 AM CST	Areal Flood Advisory	BMX	Jefferson, Tuscaloosa, Walker	115 min
Jan 23, 4:27 AM CST	Tornado Warning	BMX	Bibb, Chilton, Dallas, Hale, Perry	48 min
Jan 23, 5:11 AM CST	Tornado Warning Emergency	BMX	Chilton, Coosa	34 min
Jan 23, 5:24 AM CST	Tornado Warning	BMX	Clay, Shelby, Talladega	26 min
Jan 23, 5:37 AM CST	Tornado Warning	BMX	Chilton, Coosa, Talladega	38 min
Jan 23, 6:01 AM CST	Tornado Warning	BMX	Clay, Coosa, Tallapoosa	44 min
Jan 23, 6:22 AM CST	Areal Flood Advisory	BMX	Chilton, Coosa	3 hr
Jan 23, 6:34 AM CST	Areal Flood Advisory	BMX	Dallas, Perry	116 min
Jan 23, 6:36 AM CST	Tornado Warning	BMX	Autauga, Chilton, Coosa, Elmore	39 min
Jan 23, 7:12 AM CST	Severe Thunderstorm Warning	BMX	Coosa, Elmore, Tallapoosa	48 min
Jan 23, 7:15 AM CST	Tornado Warning	BMX	Chambers, Randolph, Tallapoosa	17 min
Jan 23, 7:24 AM CST	Areal Flood Advisory	BMX	Talladega	111 min
Jan 23, 7:32 AM CST	Areal Flood Advisory	BMX	Chambers, Clay, Randolph, Tallapoosa	3 hr
Jan 23, 7:42 AM CST	Tornado Warning	BMX	Chambers, Tallapoosa	33 min
Jan 23, 8:09 AM CST	Severe Thunderstorm Warning	BMX	Elmore, Tallapoosa	36 min
Jan 23, 8:14 AM CST	Areal Flood Advisory	BMX	Autauga, Dallas, Lowndes	3 hr
Jan 23, 8:20 AM CST	Severe Thunderstorm Warning	BMX	Lowndes, Montgomery	25 min
Jan 23, 8:34 AM CST	Severe Thunderstorm Warning	BMX	Elmore, Lee, Macon, Tallapoosa	41 min
Jan 23, 8:38 AM CST	Flash Flood Warning	BMX	Chambers, Randolph	4 hr
Jan 23, 8:44 AM CST	Severe Thunderstorm Warning	BMX	Montgomery	31 min
Jan 23, 8:45 AM CST	Areal Flood Advisory	BMX	Chambers, Lee, Macon, Tallapoosa	3 hr
Jan 23, 9:09 AM CST	Severe Thunderstorm Warning	BMX	Bullock, Elmore, Macon, Montgomery	36 min
Jan 23, 9:12 AM CST	Severe Thunderstorm Warning	BMX	Lowndes, Montgomery	48 min
Jan 23, 9:19 AM CST	Severe Thunderstorm Warning	BMX	Lee, Macon, Russell	41 min
Jan 23, 10:20 AM CST	Areal Flood Warning	BMX	Clay, Tallapoosa	4 hr
Jan 23, 10:32 AM CST	Severe Thunderstorm Warning	BMX	Lee, Russell	28 min
Jan 23, 12:12 PM CST	River Flood Warning	BMX	Chambers, Elmore, Macon, Randolph, Tallapoosa	2 hr

Nearby

Tornado Warnings in Alabama, 2012 Every tornado warning in 2012 Tornadoes 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.