Alert archive / Alabama / Tornado Warnings in 2008

Tornado Warning 94, NWS Birmingham, AL

April 11, 2008Clay County, Talladega County, Alabama

NWS Birmingham, AL issued this tornado warning at Apr 11, 2008, 6:46 PM CDT for Clay County, Talladega County, Alabama. It was in force for 29 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: Apr 11, 2008, 6:46 PM CDT (23:46 UTC)
Expired: Apr 11, 2008, 7:15 PM CDT
In force: 29 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon

Counties Clay County, AL, Talladega County, AL

The radar

The Birmingham radar (KBMX), 57 km from the middle of the area, began a volume at 23:49 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 11, 3:00 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 11.8 hours before the alert went out and 58 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: 33 J/kg
Mixed-layer CIN: -160 J/kg
Mixed-layer LCL: 566 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 217 m²/s²
0-3 km storm-relative helicity: 271 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KBMX 112346
TORBMX
ALC027-121-120015-
/O.NEW.KBMX.TO.W.0094.080411T2346Z-080412T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
646 PM CDT FRI APR 11 2008

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* TORNADO WARNING FOR...
  CLAY COUNTY IN EAST CENTRAL ALABAMA...
  THIS INCLUDES THE CITIES OF...LINEVILLE...ASHLAND...
  SOUTHERN TALLADEGA COUNTY IN EAST CENTRAL ALABAMA...
  THIS INCLUDES THE CITY OF SYLACAUGA...

* UNTIL 715 PM CDT

* AT 644 PM CDT...THE NATIONAL WEATHER SERVICE INDICATED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR GANTTS QUARRY...OR
  NEAR SYLACAUGA...MOVING EAST AT 35 MPH.

* THE TORNADO WILL BE NEAR...
  OVERBROOK...HOLLINS AND SYCAMORE BY 655 PM CDT...
  ROSELLE BY 710 PM CDT...
  MILLERVILLE...7 MILES SOUTHWEST OF SPRINGHILL AND 7 MILES SOUTH OF
  CHANDLER SPRINGS BY 715 PM CDT...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

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

LAT...LON 3323 8634 3345 8575 3313 8566 3311 8626
      3311 8627 3311 8633 3312 8634
TIME...MOT...LOC 2346Z 252DEG 32KT 3315 8629

$$

03

2 follow-up statements

000 
WWUS54 KBMX 112354
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
653 PM CDT FRI APR 11 2008

ALC027-121-120015-
/O.CON.KBMX.TO.W.0094.000000T0000Z-080412T0015Z/
CLAY AL-TALLADEGA AL-
653 PM CDT FRI APR 11 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR SOUTHERN
TALLADEGA AND CLAY COUNTIES...

AT 649 PM CDT...THE NATIONAL WEATHER SERVICE CONTINUED TO INDICATE 
TWO ROTATIONS.  ON WAS LOCATED NEAR SYLACAUGA... AND THE OTHER NEAR 
CHANDLER SPRINGS.  BOTH STORMS WERE MOVING EAST AT 30 MPH.

THE TORNADO WILL BE NEAR...
  ROSELLE BY 710 PM CDT...
  6 MILES NORTHWEST OF MILLERVILLE AND 6 MILES   SOUTHWEST OF        
  SPRINGHILL BY 715 PM CDT...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FRIDAY EVENING FOR
NORTHEASTERN ALABAMA.

A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 900 PM CDT
FRIDAY EVENING FOR SOUTHERN ALABAMA.

LAT...LON 3323 8634 3345 8575 3313 8566 3311 8626
      3311 8627 3311 8633 3312 8634
TIME...MOT...LOC 2353Z 249DEG 30KT 3319 8621

$$
STEFKOVICH

000 
WWUS54 KBMX 120002
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
702 PM CDT FRI APR 11 2008

ALC027-121-120015-
/O.CON.KBMX.TO.W.0094.000000T0000Z-080412T0015Z/
CLAY AL-TALLADEGA AL-
702 PM CDT FRI APR 11 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR SOUTHERN
TALLADEGA AND CLAY COUNTIES...

AT 658 PM CDT...THE NATIONAL WEATHER SERVICE CONTINUED TO INDICATE A
TORNADO.  THIS TORNADO WAS LOCATED NEAR SYCAMORE...OR ABOUT 7 MILES
EAST OF SYLACAUGA...MOVING EAST AT 40 MPH.

THE TORNADO WILL BE NEAR...
  MILLERVILLE AND CHANDLER SPRINGS BY 710 PM CDT...
  SPRINGHILL AND 6 MILES WEST OF ASHLAND BY 715 PM CDT...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FRIDAY EVENING FOR
NORTHEASTERN ALABAMA.

A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 900 PM CDT
FRIDAY EVENING FOR SOUTHERN ALABAMA.

LAT...LON 3323 8634 3345 8575 3313 8566 3311 8626
      3311 8627 3311 8633 3312 8634
TIME...MOT...LOC 0002Z 252DEG 38KT 3322 8610

$$

STEFKOVICH

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 11, 9:54 AM CDT	Lake Wind Advisory	BMX	Autauga, Barbour, Bibb, Blount, Bullock, Calhoun and 33 more	8 hr
Apr 11, 12:10 PM CDT	Tornado Warning	BMX	Fayette, Marion, Walker, Winston	35 min
Apr 11, 12:52 PM CDT	Tornado Warning	BMX	Walker, Winston	38 min
Apr 11, 1:25 PM CDT	Severe Thunderstorm Warning	BMX	Lamar, Marion	50 min
Apr 11, 1:53 PM CDT	Severe Thunderstorm Warning	BMX	Fayette, Lamar, Marion, Walker, Winston	52 min
Apr 11, 1:56 PM CDT	Severe Thunderstorm Warning	BMX	Fayette, Lamar, Pickens	49 min
Apr 11, 2:14 PM CDT	Tornado Warning	BMX	Fayette, Marion, Walker, Winston	46 min
Apr 11, 2:23 PM CDT	Severe Thunderstorm Warning	BMX	Jefferson, Tuscaloosa, Walker	52 min
Apr 11, 2:28 PM CDT	Severe Thunderstorm Warning	BMX	Marengo	47 min
Apr 11, 2:38 PM CDT	Tornado Warning	BMX	Winston	22 min
Apr 11, 2:39 PM CDT	Severe Thunderstorm Warning	BMX	Fayette, Lamar, Pickens	51 min
Apr 11, 2:50 PM CDT	Severe Thunderstorm Warning	BMX	Fayette, Pickens, Tuscaloosa, Walker, Winston	40 min
Apr 11, 2:56 PM CDT	Severe Thunderstorm Warning	BMX	Bibb, Dallas, Hale, Marengo, Perry	49 min
Apr 11, 3:05 PM CDT	Tornado Warning	BMX	Fayette, Pickens, Tuscaloosa	25 min
Apr 11, 3:24 PM CDT	Severe Thunderstorm Warning	BMX	Greene, Pickens, Sumter, Tuscaloosa	51 min
Apr 11, 3:30 PM CDT	Severe Thunderstorm Warning	BMX	Fayette, Jefferson, Tuscaloosa, Walker	45 min
Apr 11, 3:41 PM CDT	Severe Thunderstorm Warning	BMX	Blount, Walker	19 min
Apr 11, 3:44 PM CDT	Severe Thunderstorm Warning	BMX	Bibb, Chilton, Jefferson, Perry, Shelby	61 min
Apr 11, 3:50 PM CDT	Tornado Warning	BMX	Jefferson, Tuscaloosa, Walker	40 min
Apr 11, 3:52 PM CDT	Severe Thunderstorm Warning	BMX	Calhoun, Cherokee, Etowah, St. Clair	38 min
Apr 11, 4:01 PM CDT	Tornado Warning	BMX	Calhoun, Cherokee, Etowah, St. Clair	44 min
Apr 11, 4:07 PM CDT	Severe Thunderstorm Warning	BMX	Blount, Etowah	38 min
Apr 11, 4:18 PM CDT	Tornado Warning	BMX	Blount, Jefferson, St. Clair	42 min
Apr 11, 4:22 PM CDT	Severe Thunderstorm Warning	BMX	Bibb, Greene, Hale, Perry, Sumter, Tuscaloosa	53 min
Apr 11, 4:34 PM CDT	Severe Thunderstorm Warning	BMX	Jefferson, St. Clair, Shelby, Talladega	41 min
Apr 11, 4:37 PM CDT	Severe Thunderstorm Warning	BMX	Jefferson, Tuscaloosa, Walker	23 min
Apr 11, 4:42 PM CDT	Severe Thunderstorm Warning	BMX	Bibb, Chilton, Hale, Jefferson, Perry, Shelby and 1 more	48 min
Apr 11, 4:42 PM CDT	Tornado Warning	BMX	Calhoun, Cherokee, Etowah	33 min
Apr 11, 4:56 PM CDT	Tornado Warning	BMX	Blount, Calhoun, Etowah, St. Clair	24 min
Apr 11, 5:27 PM CDT	Severe Thunderstorm Warning	BMX	Bibb, Hale, Perry, Tuscaloosa	48 min
Apr 11, 5:41 PM CDT	Tornado Warning	BMX	Bibb, Chilton, Perry	49 min
Apr 11, 6:24 PM CDT	Tornado Warning	BMX	Bibb, Chilton, Perry	51 min

Nearby

Tornado Warnings in Alabama, 2008 Every tornado warning in 2008 Tornadoes in 2008

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; radar from the NEXRAD Level II archive.