Alert archive / Alabama / Tornado Warnings in 2008

Tornado Warning 95, NWS Birmingham, AL

April 11, 2008Chilton County, Coosa County, Alabama

NWS Birmingham, AL issued this tornado warning at Apr 11, 2008, 7:10 PM CDT for Chilton County, Coosa County, Alabama. It was in force for 35 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, 7:10 PM CDT (00:10 UTC)
Expired
Apr 11, 2008, 7:45 PM CDT
In force
35 min
Issued by
NWS Birmingham, AL
Area
Storm-based polygon

Counties Chilton County, AL, Coosa County, AL

The radar

The Birmingham radar (KBMX), 43 km from the middle of the area, began a volume at 00:12 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.

IssuedProductOfficeLasted
Apr 11, 3:07 PM CDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 0.2 hours before the alert went out and 44 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, Birmingham, AL at 00:00Z on 2008-04-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 635 joules per kilogram.LCLLFCEL10008507005003002001001 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, Birmingham, AL at 00:00Z on 2008-04-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -86 square meters per square second.1939587897Sfc1 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
635 J/kg
Mixed-layer CIN
-42 J/kg
Mixed-layer LCL
623 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
-86 m²/s²
0-3 km storm-relative helicity
-110 m²/s²
Significant tornado parameter
-0.4
Supercell composite
-2.4

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KBMX 120010
TORBMX
ALC021-037-120045-
/O.NEW.KBMX.TO.W.0095.080412T0010Z-080412T0045Z/

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

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL CHILTON COUNTY IN CENTRAL ALABAMA...
  THIS INCLUDES THE CITY OF CLANTON...
  CENTRAL COOSA COUNTY IN EAST CENTRAL ALABAMA...
  THIS INCLUDES THE CITIES OF...WEOGUFKA...ROCKFORD...

* UNTIL 745 PM CDT

* AT 708 PM CDT...THE NATIONAL WEATHER SERVICE INDICATED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR LOMAX...OR NEAR
  CLANTON...MOVING EAST AT 25 MPH.

* THE TORNADO WILL BE NEAR...
  LAY DAM BY 720 PM CDT...
  7 MILES NORTH OF MITCHELL DAM BY 725 PM CDT...
  MORIAH...LYLE AND 6 MILES SOUTH OF UNITY BY 740 PM CDT...
  6 MILES NORTHWEST OF ROCKFORD AND 6 MILES SOUTH OF WEOGUFKA BY 745
  PM CDT...

THIS IS A DANGEROUS STORM.. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL AND DEADLY CLOUD TO
GROUND LIGHTNING.

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

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

LAT...LON 3306 8623 3283 8619 3278 8667 3296 8671
TIME...MOT...LOC 0010Z 259DEG 24KT 3289 8658

$$

JD/81
4 follow-up statements
000 
WWUS54 KBMX 120014
SVSBMX

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

ALC021-037-120045-
/O.CON.KBMX.TO.W.0095.000000T0000Z-080412T0045Z/
CHILTON AL-COOSA AL-
714 PM CDT FRI APR 11 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR CENTRAL
COOSA AND EAST CENTRAL CHILTON COUNTIES...

AT 712 PM CDT...THE NATIONAL WEATHER SERVICE CONTINUED TO INDICATE A
TORNADO.  THIS TORNADO WAS LOCATED NEAR GAP OF THE MOUNTAIN...OR
ABOUT NEAR CLANTON...MOVING EAST AT 20 MPH.

THE TORNADO WILL BE NEAR...
  LAY DAM BY 720 PM CDT...
  DOLLAR...HIGGINS FERRY PARK AND 6 MILES NORTH OF MITCHELL DAM BY
  725 PM CDT...
  DOLLAR BY 730 PM CDT...
  MORIAH BY 735 PM CDT...
  LYLE BY 740 PM CDT...
  BENTLEYVILLE AND ROCKFORD BY 745 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
EAST CENTRAL ALABAMA.

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

LAT...LON 3306 8623 3283 8619 3278 8667 3296 8671
TIME...MOT...LOC 0014Z 266DEG 26KT 3289 8654

$$
STEFKOVICH
000 
WWUS54 KBMX 120019
SVSBMX

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

ALC021-037-120045-
/O.CON.KBMX.TO.W.0095.000000T0000Z-080412T0045Z/
CHILTON AL-COOSA AL-
719 PM CDT FRI APR 11 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR CENTRAL
COOSA AND EAST CENTRAL CHILTON COUNTIES...

AT 717 PM CDT...A STRONG CIRCULATION WAS LOCATED NEAR LAY DAM...OR 
ABOUT 8 MILES NORTHEAST OF CLANTON...MOVING EAST AT 30 MPH.

THE TORNADO WILL BE NEAR...
  DOLLAR AND HIGGINS FERRY PARK BY 725 PM CDT...
  MORIAH...LYLE AND 6 MILES SOUTH OF UNITY BY 735 PM CDT...
  BENTLEYVILLE...ROCKFORD AND 6 MILES SOUTH OF WEOGUFKA BY 745 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.

LAT...LON 3306 8623 3283 8619 3278 8667 3296 8671
TIME...MOT...LOC 0019Z 262DEG 26KT 3290 8650

$$
STEFKOVICH
000 
WWUS54 KBMX 120024
SVSBMX

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

ALC021-120033-
/O.CAN.KBMX.TO.W.0095.000000T0000Z-080412T0045Z/
CHILTON AL-
723 PM CDT FRI APR 11 2008

...THE TORNADO WARNING FOR EAST CENTRAL CHILTON COUNTY IS
CANCELLED...

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

LAT...LON 3282 8644 3297 8651 3306 8623 3283 8619
      3280 8643
TIME...MOT...LOC 0023Z 265DEG 29KT 3289 8644

$$

ALC037-120045-
/O.CON.KBMX.TO.W.0095.000000T0000Z-080412T0045Z/
COOSA AL-
723 PM CDT FRI APR 11 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR CENTRAL
COOSA COUNTY...

AT 721 PM CDT...THE NATIONAL WEATHER SERVICE CONTINUED TO INDICATE A
TORNADO.  THIS TORNADO WAS LOCATED NEAR DOLLAR...OR ABOUT 11 MILES
EAST OF CLANTON...MOVING EAST AT 30 MPH.

THE TORNADO WILL BE NEAR...
  LYLE...MORIAH AND 7 MILES SOUTH OF UNITY BY 735 PM CDT...
  BENTLEYVILLE AND 8 MILES SOUTH OF WEOGUFKA BY 740 PM CDT...
  ROCKFORD BY 745 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.

LAT...LON 3282 8644 3297 8651 3306 8623 3283 8619
      3280 8643
TIME...MOT...LOC 0023Z 265DEG 29KT 3289 8644

$$
STEFKOVICH
000 
WWUS54 KBMX 120035
SVSBMX

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

ALC037-120045-
/O.CON.KBMX.TO.W.0095.000000T0000Z-080412T0045Z/
COOSA AL-
735 PM CDT FRI APR 11 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR CENTRAL
COOSA COUNTY...

AT 732 PM CDT...THE NATIONAL WEATHER SERVICE CONTINUED TO INDICATE A
TORNADO.  THIS TORNADO WAS LOCATED NEAR LYLE...OR ABOUT 9 MILES WEST
OF ROCKFORD...MOVING EAST AT 30 MPH.

THE TORNADO WILL BE NEAR...
  ROCKFORD AND BENTLEYVILLE BY 745 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
EAST CENTRAL ALABAMA.

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

LAT...LON 3281 8638 3297 8644 3306 8623 3285 8619
      3284 8619 3283 8619
TIME...MOT...LOC 0035Z 266DEG 28KT 3289 8634

$$
STEFKOVICH

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 11, 7:15 PM CDTTornado WarningBMXClay, Randolph45 min
Apr 11, 8:18 PM CDTSevere Thunderstorm WarningBMXRandolph26 min
Apr 11, 10:18 PM CDTSevere Thunderstorm WarningBMXAutauga, Lowndes27 min
Apr 11, 10:34 PM CDTSevere Thunderstorm WarningBMXElmore, Montgomery41 min
Apr 12, 1:29 AM CDTSevere Thunderstorm WarningBMXChilton, Coosa31 min
Apr 12, 1:40 AM CDTSevere Thunderstorm WarningBMXChilton, Coosa, Shelby, Talladega35 min
Apr 12, 1:57 AM CDTSevere Thunderstorm WarningBMXTalladega11 min
Apr 12, 2:04 AM CDTSevere Thunderstorm WarningBMXClay, Cleburne, Talladega26 min
Apr 12, 2:32 AM CDTSevere Thunderstorm WarningBMXClay, Coosa, Talladega16 min
Apr 12, 5:00 AM CDTFreeze WatchBMXBlount, Calhoun, Cherokee, Clay, Cleburne, Etowah and 12 more47 hr
Apr 12, 5:00 AM CDTFreeze WatchBMXAutauga, Barbour, Bibb, Blount, Bullock, Calhoun and 33 more56 hr
Apr 12, 5:00 AM CDTLake Wind AdvisoryBMXBibb, Blount, Calhoun, Chambers, Cherokee, Chilton and 22 more13 hr
Apr 12, 6:57 PM CDTLake Wind AdvisoryBMXAutauga, Barbour, Bibb, Blount, Bullock, Calhoun and 33 more25 hr

Nearby

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