Alert archive / Alabama / Tornado Warnings in 2012

Tornado Warning 43, NWS Birmingham, AL

December 25, 2012Autauga County, Elmore County, Montgomery County, Alabama

NWS Birmingham, AL issued this tornado warning at Dec 25, 2012, 8:40 PM CST for Autauga County, Elmore County, Montgomery County, Alabama. It was in force for 65 min. 4 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: Dec 25, 2012, 8:40 PM CST (02:40 UTC)
Expired: Dec 25, 2012, 9:45 PM CST
In force: 65 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon

Counties Autauga County, AL, Elmore County, AL, Montgomery County, AL

What was reported inside it

Time	Report	Where	Remark
Dec 25, 8:46 PM CST	TSTM WND DMG	3 S Cantelous, AL	TREES AND POWERLINES BLOWN DOWN ON HIGHWAY 80 WEST OF DANNELLY FIELD. HIGHWAY BLOCKED.
Dec 25, 8:46 PM CST	TSTM WND DMG	Prattville, AL	A FEW TREES WERE BLOWN DOWN IN AND AROUND PRATTVILLE. A VEHICLE RAN INTO A DOWNED TREE ON HIGHWAY 31.
Dec 25, 9:05 PM CST	TSTM WND DMG	5 Sse Millbrook, AL	ONE METAL BARN WAS DESTROYED AND ONE BARN HAD THE METAL ROOF REMOVED.
Dec 25, 9:15 PM CST	HAIL 0.25	Santuck, AL	A FEW REPORTS OF PEA SIZED HAIL WERE RECEIVED.

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
Dec 25, 12:58 PM CST	Tornado Watch PDS	SPC	9 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 2.7 hours before the alert went out and 100 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: 22 J/kg
Mixed-layer CIN: -78 J/kg
Mixed-layer LCL: 563 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: 696 m²/s²
0-3 km storm-relative helicity: 921 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.5

Open this sounding in Storm Lab

The text

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

979 
WFUS54 KBMX 260240
TORBMX
ALC001-051-101-260345-
/O.NEW.KBMX.TO.W.0043.121226T0240Z-121226T0345Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
840 PM CST TUE DEC 25 2012

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN AUTAUGA COUNTY IN ALABAMA...
  ELMORE COUNTY IN EAST CENTRAL ALABAMA...
  NORTHWESTERN MONTGOMERY COUNTY IN SOUTH CENTRAL ALABAMA...

* UNTIL 945 PM CST

* AT 840 PM CST...THE NATIONAL WEATHER SERVICE INDICATED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM
  WAS LOCATED NEAR LOWNDESBORO...OR NEAR HAYNEVILLE...AND MOVING
  NORTHEAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  PRATTVILLE...MONTGOMERY...MILLBROOK...WETUMPKA...CANTELOUS...
  DANNELLY FIELD...HOPE HULL...WOODCREST...HYUNDAI MOTORS OF ALABAMA
  AND HUNTER.

THIS INCLUDES...
INTERSTATE 65 EXIT NUMBERS 164 THROUGH 181...
INTERSTATE 85 EXIT NUMBERS 1 THROUGH 11...

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 OR TWEET YOUR REPORT USING HASHTAG ALWX

LAT...LON 3227 8645 3228 8648 3233 8648 3234 8650
      3234 8653 3237 8654 3238 8657 3273 8617
      3245 8593 3244 8596 3245 8599 3243 8599
      3242 8602 3241 8602 3223 8640
TIME...MOT...LOC 0240Z 232DEG 37KT 3226 8654

$$

27

4 follow-up statements

480 
WWUS54 KBMX 260256
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
856 PM CST TUE DEC 25 2012

ALC001-260306-
/O.CAN.KBMX.TO.W.0043.000000T0000Z-121226T0345Z/
AUTAUGA AL-
856 PM CST TUE DEC 25 2012

...THE TORNADO WARNING FOR SOUTHEASTERN AUTAUGA COUNTY 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 3228 8648 3233 8648 3235 8649 3241 8645
      3241 8641 3247 8641 3255 8636 3273 8617
      3245 8593 3244 8595 3245 8599 3240 8603
      3226 8639
TIME...MOT...LOC 0256Z 232DEG 37KT 3236 8638

$$

ALC051-101-260345-
/O.CON.KBMX.TO.W.0043.000000T0000Z-121226T0345Z/
ELMORE AL-MONTGOMERY AL-
856 PM CST TUE DEC 25 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHWESTERN MONTGOMERY
AND ELMORE COUNTIES UNTIL 945 PM CST...

AT 854 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
TORNADO.  THIS TORNADO WAS LOCATED NEAR WOODCREST...OR 7 MILES WEST
OF MONTGOMERY...MOVING NORTHEAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  MONTGOMERY...MILLBROOK...WETUMPKA...HUNTER...MONTGOMERY ZOO...
  BOYLSTON...COOSADA...BOB WOODRUFF LAKE...AUBURN UNIVERSITY IN
  MONTGOMERY AND ELMORE.

THIS INCLUDES...
INTERSTATE 65 EXIT NUMBERS 167 THROUGH 179...
INTERSTATE 85 EXIT NUMBERS 1 THROUGH 9...

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

LAT...LON 3228 8648 3233 8648 3235 8649 3241 8645
      3241 8641 3247 8641 3255 8636 3273 8617
      3245 8593 3244 8595 3245 8599 3240 8603
      3226 8639
TIME...MOT...LOC 0256Z 232DEG 37KT 3236 8638

$$

27

359 
WWUS54 KBMX 260305
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
905 PM CST TUE DEC 25 2012

ALC051-101-260345-
/O.CON.KBMX.TO.W.0043.000000T0000Z-121226T0345Z/
ELMORE AL-MONTGOMERY AL-
905 PM CST TUE DEC 25 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHWESTERN MONTGOMERY
AND ELMORE COUNTIES UNTIL 945 PM CST...

AT 904 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
TORNADO.  THIS TORNADO WAS LOCATED NEAR MONTGOMERY ZOO...OR NEAR
MONTGOMERY...MOVING NORTHEAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  WETUMPKA...MONTGOMERY ZOO...BOYLSTON...COOSADA...BOB WOODRUFF
  LAKE...AUBURN UNIVERSITY IN MONTGOMERY...ELMORE...BLUE RIDGE...
  EMERALD MOUNTAIN AND DEXTER.

THIS INCLUDES...
INTERSTATE 65 EXIT NUMBERS 170 THROUGH 179...
INTERSTATE 85 EXIT NUMBERS 1 THROUGH 3...

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 3236 8642 3247 8641 3255 8636 3273 8617
      3245 8593 3244 8595 3245 8596 3245 8599
      3240 8603 3234 8630
TIME...MOT...LOC 0305Z 232DEG 37KT 3242 8629

$$

27

915 
WWUS54 KBMX 260321
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
921 PM CST TUE DEC 25 2012

ALC101-260331-
/O.CAN.KBMX.TO.W.0043.000000T0000Z-121226T0345Z/
MONTGOMERY AL-
921 PM CST TUE DEC 25 2012

...THE TORNADO WARNING FOR NORTHWESTERN MONTGOMERY COUNTY 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 3245 8621 3247 8621 3247 8623 3248 8622
      3250 8625 3248 8627 3248 8629 3254 8631
      3264 8626 3273 8617 3249 8597 3243 8605
TIME...MOT...LOC 0321Z 232DEG 37KT 3252 8613

$$

ALC051-260345-
/O.CON.KBMX.TO.W.0043.000000T0000Z-121226T0345Z/
ELMORE AL-
921 PM CST TUE DEC 25 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL ELMORE COUNTY
UNTIL 945 PM CST...

AT 919 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
TORNADO.  THIS TORNADO WAS LOCATED NEAR BLUE RIDGE...OR NEAR
WETUMPKA...MOVING NORTHEAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  DEXTER...SANTUCK...WARE AND CLAUD.

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

LAT...LON 3245 8621 3247 8621 3247 8623 3248 8622
      3250 8625 3248 8627 3248 8629 3254 8631
      3264 8626 3273 8617 3249 8597 3243 8605
TIME...MOT...LOC 0321Z 232DEG 37KT 3252 8613

$$

27

559 
WWUS54 KBMX 260341
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
941 PM CST TUE DEC 25 2012

ALC051-260351-
/O.EXP.KBMX.TO.W.0043.000000T0000Z-121226T0345Z/
ELMORE AL-
941 PM CST TUE DEC 25 2012

...THE TORNADO WARNING FOR CENTRAL ELMORE COUNTY WILL EXPIRE AT 945
PM CST...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.

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

LAT...LON 3245 8621 3247 8621 3247 8623 3248 8622
      3250 8625 3248 8627 3248 8629 3254 8631
      3264 8626 3273 8617 3249 8597 3243 8605
TIME...MOT...LOC 0341Z 232DEG 37KT 3265 8594

$$

27

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 25, 6:10 PM CST	Severe Thunderstorm Warning	BMX	Dallas, Marengo, Perry	37 min
Dec 25, 6:15 PM CST	Severe Thunderstorm Warning	BMX	Chilton, Hale, Perry	45 min
Dec 25, 6:33 PM CST	Special Weather Statement	BMX	Bibb, Chilton, Jefferson, Shelby	57 min
Dec 25, 6:40 PM CST	Special Weather Statement	BMX	Pike	35 min
Dec 25, 6:44 PM CST	Tornado Warning	BMX	Barbour, Bullock, Pike	46 min
Dec 25, 6:45 PM CST	Severe Thunderstorm Warning	BMX	Bibb, Chilton, Perry, Shelby	30 min
Dec 25, 7:00 PM CST	Areal Flood Advisory	BMX	Bibb, Chilton, Dallas, Jefferson, Perry, Shelby	3 hr
Dec 25, 7:08 PM CST	Severe Thunderstorm Warning	BMX	Autauga, Bibb, Chilton, Dallas, Perry, Shelby	52 min
Dec 25, 7:31 PM CST	Severe Thunderstorm Warning	BMX	Dallas, Lowndes	59 min
Dec 25, 7:34 PM CST	River Flood Warning	BMX	Sumter	7 hr
Dec 25, 7:38 PM CST	Severe Thunderstorm Warning	BMX	Autauga, Chilton, Clay, Coosa, Talladega	41 min
Dec 25, 7:58 PM CST	Special Weather Statement	BMX	Clay, Talladega	47 min
Dec 25, 8:07 PM CST	Tornado Warning	BMX	Lowndes	46 min
Dec 25, 9:51 PM CST	Severe Thunderstorm Warning	BMX	Montgomery	39 min
Dec 25, 10:18 PM CST	Tornado Warning	BMX	Pike	42 min
Dec 25, 10:22 PM CST	Severe Thunderstorm Warning	BMX	Bullock	38 min
Dec 25, 10:45 PM CST	Severe Thunderstorm Warning	BMX	Macon	45 min
Dec 25, 10:48 PM CST	Severe Thunderstorm Warning	BMX	Bullock, Pike	42 min
Dec 25, 11:24 PM CST	Special Weather Statement	BMX	Barbour, Lee, Russell	66 min
Dec 26, 12:14 AM CST	Special Weather Statement	BMX	Barbour	31 min
Dec 26, 8:57 AM CST	River Flood Warning	BMX	Greene, Hale, Marengo	24 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.