Alert archive / Alabama / Tornado Warnings in 2011
Tornado Warning 175, NWS Birmingham, AL
NWS Birmingham, AL issued this tornado warning at Dec 22, 2011, 2:39 PM CST for Clay County, Coosa County, Tallapoosa County, Alabama. It was in force for 15 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Dec 22, 2011, 2:39 PM CST (20:39 UTC)
- Expired
- Dec 22, 2011, 2:54 PM CST
- In force
- 15 min
- Issued by
- NWS Birmingham, AL
- Area
- Storm-based polygon
Counties Clay County, AL, Coosa County, AL, Tallapoosa County, AL
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 22, 10:00 AM CST | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 8.7 hours before the alert went out and 89 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.
- Mixed-layer CAPE
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 699 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 102 m²/s²
- 0-3 km storm-relative helicity
- 129 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
872
WFUS54 KBMX 222039
TORBMX
ALC027-037-123-222115-
/O.NEW.KBMX.TO.W.0175.111222T2039Z-111222T2115Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
239 PM CST THU DEC 22 2011
THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHEASTERN CLAY COUNTY IN EAST CENTRAL ALABAMA...
EAST CENTRAL COOSA COUNTY IN EAST CENTRAL ALABAMA...
NORTHERN TALLAPOOSA COUNTY IN EAST CENTRAL ALABAMA...
* UNTIL 315 PM CST
* AT 238 PM CST...THE NATIONAL WEATHER SERVICE INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM
WAS LOCATED NEAR COTTAGE GROVE...OR NEAR ROCKFORD...AND MOVING
NORTHEAST AT 55 MPH.
* LOCATIONS IMPACTED INCLUDE...
KELLYTON...ALEXANDER CITY...CREWSVILLE...BRADFORD...HILLABEE
CREEK...NEW SITE...GOLDVILLE...FISHPOND...RAY AND HACKNEYVILLE.
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 3277 8617 3289 8625 3329 8573 3319 8565
3311 8565 3310 8559 3299 8559
TIME...MOT...LOC 2039Z 232DEG 47KT 3288 8612
$$
172 follow-up statements
495
WWUS54 KBMX 222045
SVSBMX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
245 PM CST THU DEC 22 2011
ALC027-037-123-222115-
/O.CON.KBMX.TO.W.0175.000000T0000Z-111222T2115Z/
CLAY AL-COOSA AL-TALLAPOOSA AL-
245 PM CST THU DEC 22 2011
...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHERN TALLAPOOSA...EAST
CENTRAL COOSA AND SOUTHEASTERN CLAY COUNTIES UNTIL 315 PM CST...
AT 242 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO HEADED TOWARDS
HWY 280 NEAR KELLYTON. THIS DANGEROUS STORM WAS LOCATED NEAR
HIGHWAY 9 AND HIGHWAY 22...OR 6 MILES SOUTHWEST OF KELLYTON...MOVING
NORTHEAST AT 50 MPH.
LOCATIONS IMPACTED INCLUDE...
KELLYTON...ALEXANDER CITY...BRADFORD...HILLABEE CREEK...NEW SITE...
GOLDVILLE...HACKNEYVILLE...HORSESHOE BEND NATIONAL MILITARY PARK...
HORSESHOE BEND AND DAVISTON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
HEAVY RAINFALL MAY OBSCURE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR
THE TORNADO. TAKE COVER NOW.
&&
TO REPORT SEVERE WEATHER...CALL 1-800-856-0758.
LAT...LON 3285 8609 3296 8616 3329 8573 3319 8565
3311 8565 3310 8559 3299 8559
TIME...MOT...LOC 2044Z 232DEG 44KT 3292 8608
$$
17820
WWUS54 KBMX 222054
SVSBMX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
254 PM CST THU DEC 22 2011
ALC027-037-123-222104-
/O.CAN.KBMX.TO.W.0175.000000T0000Z-111222T2115Z/
CLAY AL-COOSA AL-TALLAPOOSA AL-
254 PM CST THU DEC 22 2011
...THE TORNADO WARNING FOR NORTHERN TALLAPOOSA...EAST CENTRAL COOSA
AND SOUTHEASTERN CLAY COUNTIES IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A TORNADO
WATCH REMAINS IN EFFECT UNTIL 5 PM CST.
TO REPORT SEVERE WEATHER...CALL 1-800-856-0758.
LAT...LON 3285 8609 3296 8616 3329 8573 3319 8565
3311 8565 3310 8559 3299 8559
TIME...MOT...LOC 2054Z 232DEG 44KT 3299 8596
$$
27The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 22, 8:49 AM CST | Flash Flood Watch | BMX | Fayette, Lamar, Marion, Pickens, Walker, Winston | 7 hr |
| Dec 22, 9:52 AM CST | Special Weather Statement | BMX | Fayette | 23 min |
| Dec 22, 10:13 AM CST | Flash Flood Warning | BMX | Lamar | 3 hr |
| Dec 22, 11:47 AM CST | Tornado Warning | BMX | Greene, Hale, Tuscaloosa | 25 min |
| Dec 22, 11:51 AM CST | Tornado Warning | BMX | Greene, Hale, Marengo, Perry | 15 min |
| Dec 22, 12:53 PM CST | Tornado Warning | BMX | Bibb, Chilton, Shelby | 52 min |
| Dec 22, 12:59 PM CST | Tornado Warning | BMX | Bibb, Chilton, Perry, Shelby | 31 min |
| Dec 22, 1:08 PM CST | River Flood Warning | BMX | Greene, Hale, Marengo, Pickens, Sumter | 19 hr |
| Dec 22, 1:42 PM CST | Severe Thunderstorm Warning | BMX | Shelby, Talladega | 33 min |
| Dec 22, 1:54 PM CST | Tornado Warning | BMX | St. Clair, Shelby, Talladega | 39 min |
| Dec 22, 1:59 PM CST | Tornado Warning | BMX | Autauga, Coosa, Elmore, Tallapoosa | 46 min |
| Dec 22, 3:09 PM CST | Areal Flood Advisory | BMX | Etowah | 111 min |
| Dec 22, 3:34 PM CST | Special Weather Statement | BMX | Pike | 41 min |
Nearby
Tornado Warnings in Alabama, 2011Every tornado warning in 2011Tornadoes in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.