Alert archive / Alabama / Tornado Warnings in 2007

Tornado Warning 98, NWS Birmingham, AL

April 11, 2007Blount County, Jefferson County, Alabama

NWS Birmingham, AL issued this tornado warning at Apr 11, 2007, 3:26 PM CDT for Blount County, Jefferson County, Alabama. It was in force for 34 min. 1 report 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: Apr 11, 2007, 3:26 PM CDT (20:26 UTC)
Expired: Apr 11, 2007, 4:00 PM CDT
In force: 34 min
Issued by: NWS Birmingham, AL
Area: Counties, with a storm outline in the text

Counties Blount County, AL, Jefferson County, AL

The radar

The Birmingham radar (KBMX), 72 km from the middle of the area, began a volume at 20:29 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
Apr 11, 3:35 PM CDT	FUNNEL CLOUD	6 N Pinson, AL	VILLAGE SPRINGS IN SOUTHERN BLOUNT NORTHERN JEFFERSON COUNTY

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
Apr 11, 1:42 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 8.4 hours before the alert went out and 71 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: 1 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 501 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 342 m²/s²
0-3 km storm-relative helicity: 389 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 112026
TORBMX
ALC009-073-112100-
/O.NEW.KBMX.TO.W.0098.070411T2026Z-070411T2100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
326 PM CDT WED APR 11 2007

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN BLOUNT COUNTY IN CENTRAL ALABAMA...
  NORTH CENTRAL JEFFERSON COUNTY IN CENTRAL ALABAMA...
  THIS INCLUDES THE CITY OF WARRIOR...

* UNTIL 400 PM CDT

* AT 321 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR WARRIOR...
  MOVING EAST AT 30 MPH.

* THE TORNADO WILL BE NEAR...
  TRAFFORD BY 335 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 800 PM CDT WEDNESDAY EVENING
FOR ALABAMA.

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

LAT...LON 3383 8690 3369 8692 3375 8666 3385 8645
      3395 8674

$$

2 follow-up statements

000 
WWUS54 KBMX 112036
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
336 PM CDT WED APR 11 2007

ALC073-112046-
/O.CAN.KBMX.TO.W.0098.000000T0000Z-070411T2100Z/
JEFFERSON AL-
336 PM CDT WED APR 11 2007

...THE TORNADO WARNING FOR JEFFERSON COUNTY IS CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CDT WEDNESDAY EVENING
FOR ALABAMA.

LAT...LON 3401 8645 3390 8674 3385 8674 3379 8664
      3386 8641

$$

ALC009-112100-
/O.CON.KBMX.TO.W.0098.000000T0000Z-070411T2100Z/
BLOUNT AL-
336 PM CDT WED APR 11 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 PM CDT FOR SOUTH
CENTRAL BLOUNT COUNTY...

AT 333 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR DALLAS...OR ABOUT
7 MILES EAST OF WARRIOR...MOVING EAST AT 40 MPH.

THE TORNADO WILL BE NEAR...
  EASLEY BY 345 PM CDT...
  ALLGOOD AND ONEONTA BY 350 PM CDT...
  HIGHLAND LAKE BY 355 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 3401 8645 3390 8674 3385 8674 3379 8664
      3386 8641

$$
STEFKOVICH

000 
WWUS54 KBMX 112044
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
344 PM CDT WED APR 11 2007

ALC009-112100-
/O.CON.KBMX.TO.W.0098.000000T0000Z-070411T2100Z/
BLOUNT AL-
344 PM CDT WED APR 11 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 PM CDT FOR SOUTHERN
BLOUNT COUNTY...

AT 342 PM CDT...A TORNADO WAS REPORTED.  THIS TORNADO WAS LOCATED
NEAR DALLAS...OR ABOUT 10 MILES EAST OF WARRIOR...MOVING EAST AT 40 
MPH.  THIS STORM DAMAGED SEVERAL HOMES IN NORTHERN JEFFERSON COUNTY.

THE TORNADO WILL BE NEAR...
  ALLGOOD AND EASLEY BY 355 PM CDT...
  ONEONTA AND HIGHLAND LAKE BY 400 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 3401 8645 3390 8674 3385 8674 3379 8664
      3386 8641

$$
STEFKOVICH

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 11, 4:20 AM CDT	Lake Wind Advisory	BMX	Blount, Fayette, Jefferson, Lamar, Marion, Pickens and 5 more	13 hr
Apr 11, 1:38 PM CDT	Severe Thunderstorm Warning	BMX	Lamar	37 min
Apr 11, 1:46 PM CDT	Severe Thunderstorm Warning	BMX	Marion	29 min
Apr 11, 1:59 PM CDT	Severe Thunderstorm Warning	BMX	Greene, Hale, Sumter	31 min
Apr 11, 2:11 PM CDT	Severe Thunderstorm Warning	BMX	Lamar	22 min
Apr 11, 2:14 PM CDT	Severe Thunderstorm Warning	BMX	Marion	21 min
Apr 11, 2:15 PM CDT	Severe Thunderstorm Warning	BMX	Tuscaloosa	45 min
Apr 11, 2:25 PM CDT	Severe Thunderstorm Warning	BMX	Winston	35 min
Apr 11, 2:29 PM CDT	Severe Thunderstorm Warning	BMX	Greene, Hale, Marengo, Sumter	46 min
Apr 11, 2:43 PM CDT	Severe Thunderstorm Warning	BMX	Walker	32 min
Apr 11, 2:45 PM CDT	Tornado Warning	BMX	Walker	30 min
Apr 11, 2:49 PM CDT	Tornado Warning	BMX	Bibb, Hale, Perry	41 min
Apr 11, 2:55 PM CDT	Tornado Warning	BMX	Dallas, Hale, Marengo, Perry	50 min
Apr 11, 3:04 PM CDT	Tornado Warning	BMX	Jefferson	26 min
Apr 11, 3:05 PM CDT	Tornado Warning	BMX	Tuscaloosa	25 min
Apr 11, 3:27 PM CDT	Tornado Warning	BMX	Bibb, Chilton, Shelby	33 min
Apr 11, 3:29 PM CDT	Severe Thunderstorm Warning	BMX	Tuscaloosa	13 min
Apr 11, 3:40 PM CDT	Tornado Warning	BMX	Autauga, Dallas	50 min
Apr 11, 3:41 PM CDT	Severe Thunderstorm Warning	BMX	Jefferson, Walker	34 min
Apr 11, 3:57 PM CDT	Tornado Warning	BMX	Chilton, Coosa	33 min
Apr 11, 4:15 PM CDT	Severe Thunderstorm Warning	BMX	Blount	30 min
Apr 11, 4:27 PM CDT	Tornado Warning	BMX	Autauga, Elmore	48 min
Apr 11, 4:30 PM CDT	Tornado Warning	BMX	Coosa, Tallapoosa	45 min
Apr 11, 4:41 PM CDT	Severe Thunderstorm Warning	BMX	Blount, Etowah, St. Clair	34 min
Apr 11, 4:49 PM CDT	Tornado Warning	BMX	Montgomery	26 min
Apr 11, 4:51 PM CDT	Severe Thunderstorm Warning	BMX	Lowndes	29 min
Apr 11, 5:09 PM CDT	Tornado Warning	BMX	Elmore, Macon, Montgomery, Tallapoosa	51 min
Apr 11, 5:19 PM CDT	Tornado Warning	BMX	Chambers, Tallapoosa	41 min
Apr 11, 5:55 PM CDT	Tornado Warning	BMX	Lee, Macon, Russell	65 min
Apr 11, 5:59 PM CDT	Tornado Warning	BMX	Chambers	16 min

Nearby

Tornado Warnings in Alabama, 2007 Every tornado warning in 2007 Tornadoes in 2007

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.