Alert archive / Alabama / Tornado Warnings in 2014

Tornado Warning 2, NWS Birmingham, AL

April 7, 2014Dallas County, Alabama

NWS Birmingham, AL issued this tornado warning at Apr 7, 2014, 3:13 AM CDT for Dallas County, Alabama. It was in force for 32 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 7, 2014, 3:13 AM CDT (08:13 UTC)
Expired: Apr 7, 2014, 3:45 AM CDT
In force: 32 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon

County Dallas County, AL

The radar

The Birmingham radar (KBMX), 90 km from the middle of the area, began a volume at 08:16 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 7, 1:16 AM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 8.2 hours before the alert went out and 91 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 630 m above ground
0-6 km bulk shear: 70 kt
0-1 km storm-relative helicity: 135 m²/s²
0-3 km storm-relative helicity: 634 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

712 
WFUS54 KBMX 070813
TORBMX
ALC047-070845-
/O.NEW.KBMX.TO.W.0002.140407T0813Z-140407T0845Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
313 AM CDT MON APR 7 2014

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN DALLAS COUNTY IN SOUTH CENTRAL ALABAMA...

* UNTIL 345 AM CDT

* AT 311 AM CDT...THE NATIONAL WEATHER SERVICE INDICATED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM
  WAS LOCATED NEAR OLD CAHABA PARK...OR 8 MILES SOUTH OF SELMONT-WEST
  SELMONT...AND MOVING NORTHEAST AT 55 MPH.

* LOCATIONS IMPACTED INCLUDE...
  SELMONT-WEST SELMONT...SELMA...VALLEY GRANDE...MEMORIAL STADIUM...
  TYLER...GARDNER ISLAND...BURNSVILLE...CRAIG FIELD AIPORT...SELMA
  DRAG STRIP AND EDMUND PETTUS BRIDGE.

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 3226 8712 3266 8693 3252 8690 3244 8686
      3242 8683 3241 8684 3235 8681 3232 8685
      3230 8683 3227 8686 3223 8705
TIME...MOT...LOC 0814Z 219DEG 48KT 3231 8702

$$

05/MA

2 follow-up statements

683 
WWUS54 KBMX 070824
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
324 AM CDT MON APR 7 2014

ALC047-070845-
/O.CON.KBMX.TO.W.0002.000000T0000Z-140407T0845Z/
DALLAS AL-
324 AM CDT MON APR 7 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR EAST CENTRAL DALLAS COUNTY
UNTIL 345 AM CDT...

AT 321 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
TORNADO.  THIS TORNADO WAS LOCATED NEAR SELMONT-WEST SELMONT...MOVING
NORTHEAST AT 50 MPH.

LOCATIONS IMPACTED INCLUDE...
  GARDNER ISLAND AND BURNSVILLE.

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

LAT...LON 3234 8703 3254 8690 3244 8686 3242 8683
      3240 8684 3235 8681 3232 8685 3231 8696
TIME...MOT...LOC 0824Z 227DEG 42KT 3237 8693

$$

05/MA

602 
WWUS54 KBMX 070835
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
335 AM CDT MON APR 7 2014

ALC047-070845-
/O.CAN.KBMX.TO.W.0002.000000T0000Z-140407T0845Z/
DALLAS AL-
335 AM CDT MON APR 7 2014

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

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF
THE WARNED AREA.

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A TORNADO 
WATCH REMAINS IN EFFECT UNTIL 800 AM.

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

LAT...LON 3234 8703 3254 8690 3244 8686 3242 8683
      3240 8684 3235 8681 3232 8685 3231 8696
TIME...MOT...LOC 0835Z 227DEG 42KT 3246 8682

$$

05/MA

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 6, 7:38 PM CDT	Special Weather Statement	BMX	Montgomery	52 min
Apr 6, 8:30 PM CDT	Special Weather Statement	BMX	Pickens	45 min
Apr 6, 8:42 PM CDT	Severe Thunderstorm Warning	BMX	Pickens	48 min
Apr 6, 9:07 PM CDT	Severe Thunderstorm Warning	BMX	Tuscaloosa	53 min
Apr 6, 9:51 PM CDT	Special Weather Statement	BMX	Jefferson	39 min
Apr 6, 10:31 PM CDT	Flash Flood Warning	BMX	Greene, Pickens, Sumter, Tuscaloosa	6 hr
Apr 6, 10:52 PM CDT	Special Weather Statement	BMX	Blount, Jefferson	38 min
Apr 6, 11:23 PM CDT	Flash Flood Warning	BMX	Fayette, Jefferson, Lamar, Walker	6 hr
Apr 7, 12:58 AM CDT	Flash Flood Warning	BMX	Bibb, Calhoun, Hale, St. Clair, Shelby, Talladega	6 hr
Apr 7, 1:59 AM CDT	Areal Flood Advisory	BMX	Blount, Cherokee, Etowah	6 hr
Apr 7, 2:27 AM CDT	River Flood Warning	BMX	Jefferson	21 hr
Apr 7, 2:36 AM CDT	River Flood Warning	BMX	Jefferson	15 hr
Apr 7, 3:01 AM CDT	Tornado Warning	BMX	Bibb, Perry	29 min
Apr 7, 3:25 AM CDT	Flash Flood Warning	BMX	Clay, Cleburne, Randolph	6 hr
Apr 7, 4:29 AM CDT	Flash Flood Warning Emergency	BMX	Bibb, Jefferson, Shelby	3 hr
Apr 7, 5:07 AM CDT	Severe Thunderstorm Warning	BMX	Lowndes	38 min
Apr 7, 5:24 AM CDT	Areal Flood Advisory	BMX	Chilton, Coosa, Tallapoosa	111 min
Apr 7, 5:30 AM CDT	Severe Thunderstorm Warning	BMX	Montgomery	45 min
Apr 7, 6:48 AM CDT	River Flood Warning	BMX	Greene, Hale, Marengo, Tuscaloosa	28 hr
Apr 7, 7:21 AM CDT	Areal Flood Advisory	BMX	Barbour, Bullock, Chambers, Dallas, Elmore, Lee and 5 more	3 hr
Apr 7, 7:22 AM CDT	Areal Flood Warning	BMX	Coosa, Tallapoosa	3 hr
Apr 7, 7:31 AM CDT	Areal Flood Warning	BMX	Blount, Calhoun, Cherokee, Clay, Cleburne, Etowah and 3 more	3 hr
Apr 7, 7:36 AM CDT	Severe Thunderstorm Warning	BMX	Pike	39 min
Apr 7, 7:41 AM CDT	Flash Flood Warning	BMX	Bullock, Chambers, Lee, Macon, Montgomery	3 hr
Apr 7, 7:53 AM CDT	Areal Flood Warning	BMX	Lamar	24 hr
Apr 7, 7:54 AM CDT	Areal Flood Warning	BMX	Bibb, Fayette, Jefferson, Pickens, Shelby, Tuscaloosa and 1 more	7 hr
Apr 7, 8:09 AM CDT	Severe Thunderstorm Warning	BMX	Barbour, Bullock, Macon	66 min
Apr 7, 8:26 AM CDT	River Flood Warning	BMX	Chilton, Coosa, Elmore, Shelby, Talladega	50 hr
Apr 7, 8:31 AM CDT	Areal Flood Warning	BMX	Autauga, Chilton, Dallas, Elmore, Lowndes	6 hr
Apr 7, 8:32 AM CDT	Severe Thunderstorm Warning	BMX	Lee, Russell	58 min
Apr 7, 8:38 AM CDT	Severe Thunderstorm Warning	BMX	Barbour	52 min
Apr 7, 9:00 AM CDT	River Flood Warning	BMX	Chambers, Elmore, Macon, Randolph, Tallapoosa	71 hr
Apr 7, 9:14 AM CDT	River Flood Warning	BMX	Greene, Hale, Marengo, Sumter, Tuscaloosa	65 hr
Apr 7, 10:13 AM CDT	River Flood Warning	BMX	Autauga, Dallas, Elmore, Lowndes, Montgomery	5 days
Apr 7, 10:13 AM CDT	River Flood Warning	BMX	Autauga, Dallas, Lowndes	4 days
Apr 7, 10:13 AM CDT	River Flood Warning	BMX	Dallas	4 days
Apr 7, 10:28 AM CDT	River Flood Warning	BMX	Dallas, Perry	5 days
Apr 7, 10:31 AM CDT	River Flood Warning	BMX	Elmore, Montgomery	4 days
Apr 7, 11:22 AM CDT	Areal Flood Warning	BMX	Blount, Calhoun, Chambers, Clay, Coosa, Etowah and 4 more	4 hr
Apr 7, 11:27 AM CDT	Areal Flood Warning	BMX	Barbour, Bullock, Lee, Macon, Montgomery, Pike and 2 more	4 hr
Apr 7, 2:47 PM CDT	River Flood Warning	BMX	Jefferson, Tuscaloosa, Walker	44 hr

Nearby

Tornado Warnings in Alabama, 2014 Every tornado warning in 2014 Tornadoes in 2014

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.