Alert archive / Alabama / Tornado Warnings in 2011

Tornado Warning 76, NWS Birmingham, AL

April 15, 2011Dallas County, Lowndes County, Alabama

NWS Birmingham, AL issued this tornado warning at Apr 15, 2011, 6:15 PM CDT for Dallas County, Lowndes County, Alabama. It was in force for 60 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 15, 2011, 6:15 PM CDT (23:15 UTC)
Expired
Apr 15, 2011, 7:15 PM CDT
In force
60 min
Issued by
NWS Birmingham, AL
Area
Storm-based polygon

Counties Dallas County, AL, Lowndes County, AL

The watch it was issued in

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

IssuedProductOfficeLasted
Apr 15, 11:21 AM CDTTornado WatchSPC9 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 11.3 hours before the alert went out and 100 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 12:00Z on 2011-04-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2011-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 282 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1553 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
282 m²/s²
0-3 km storm-relative helicity
365 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

025 
WFUS54 KBMX 152315
TORBMX
ALC047-085-160015-
/O.NEW.KBMX.TO.W.0076.110415T2315Z-110416T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
615 PM CDT FRI APR 15 2011

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN DALLAS COUNTY IN SOUTH CENTRAL ALABAMA...
  LOWNDES COUNTY IN SOUTH CENTRAL ALABAMA...

* UNTIL 715 PM CDT

* AT 613 PM CDT...THE NATIONAL WEATHER SERVICE INDICATED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM
  WAS LOCATED NEAR SNOW HILL...OR 15 MILES EAST OF CAMDEN...AND
  MOVING NORTHEAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MOSSES...HAYNEVILLE...GORDONVILLE...BEECHWOOD...BENTON...WHITE
  HALL...LOWNDESBORO...MINTER...FARMERSVILLE AND FOSTORIA.

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 3205 8687 3205 8706 3233 8681 3234 8678
      3236 8678 3241 8673 3236 8672 3236 8668
      3241 8665 3241 8662 3237 8661 3236 8659
      3238 8657 3234 8653 3234 8649 3228 8648
      3224 8640 3197 8686
TIME...MOT...LOC 2316Z 230DEG 35KT 3200 8701

$$

17/KLAWS
4 follow-up statements
941 
WWUS54 KBMX 152329
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
629 PM CDT FRI APR 15 2011

ALC047-085-160015-
/O.CON.KBMX.TO.W.0076.000000T0000Z-110416T0015Z/
LOWNDES AL-DALLAS AL-
629 PM CDT FRI APR 15 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN DALLAS AND
LOWNDES COUNTIES UNTIL 715 PM CDT...

AT 627 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 6 MILES EAST OF SNOW HILL...OR 16 MILES SOUTHWEST
OF MOSSES...MOVING NORTHEAST AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
  MOSSES...HAYNEVILLE...BENTON...GORDONVILLE...BEECHWOOD...WHITE
  HALL...LOWNDESBORO...FOSTORIA...COLLIRENE AND MANACK.

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

LAT...LON 3197 8686 3205 8687 3206 8705 3232 8682
      3234 8678 3236 8678 3241 8673 3236 8672
      3236 8668 3241 8665 3241 8662 3237 8661
      3236 8659 3238 8657 3234 8653 3234 8649
      3228 8648 3224 8640
TIME...MOT...LOC 2329Z 245DEG 32KT 3205 8689

$$

17/KLAWS
462 
WWUS54 KBMX 152343
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
643 PM CDT FRI APR 15 2011

ALC047-085-160015-
/O.CON.KBMX.TO.W.0076.000000T0000Z-110416T0015Z/
LOWNDES AL-DALLAS AL-
643 PM CDT FRI APR 15 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN DALLAS AND
LOWNDES COUNTIES UNTIL 715 PM CDT...

AT 640 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR SNOW HILL...OR 18 MILES EAST OF CAMDEN...
MOVING NORTHEAST AT 40 MPH.

LOCATIONS IMPACTED INCLUDE...
  MOSSES...HAYNEVILLE...GORDONVILLE...BEECHWOOD...BENTON...WHITE
  HALL...LOWNDESBORO...MINTER...FARMERSVILLE AND FOSTORIA.

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

LAT...LON 3197 8686 3205 8687 3206 8705 3232 8682
      3234 8678 3236 8678 3241 8673 3236 8672
      3236 8668 3241 8665 3241 8662 3237 8661
      3236 8659 3238 8657 3234 8653 3234 8649
      3228 8648 3224 8640
TIME...MOT...LOC 2343Z 223DEG 34KT 3203 8695

$$

17/KLAWS
735 
WWUS54 KBMX 152352
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
652 PM CDT FRI APR 15 2011

ALC047-160002-
/O.CAN.KBMX.TO.W.0076.000000T0000Z-110416T0015Z/
DALLAS AL-
652 PM CDT FRI APR 15 2011

...THE TORNADO WARNING FOR SOUTHEASTERN DALLAS COUNTY IS CANCELLED...

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

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

LAT...LON 3197 8686 3205 8686 3205 8691 3222 8691
      3223 8681 3227 8686 3234 8678 3241 8673
      3236 8672 3236 8668 3241 8665 3241 8662
      3237 8661 3236 8659 3238 8657 3234 8653
      3234 8649 3228 8648 3224 8640
TIME...MOT...LOC 2352Z 234DEG 41KT 3209 8684

$$

ALC085-160015-
/O.CON.KBMX.TO.W.0076.000000T0000Z-110416T0015Z/
LOWNDES AL-
652 PM CDT FRI APR 15 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR LOWNDES COUNTY UNTIL 715
PM CDT...

AT 650 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 6 MILES NORTHWEST OF MACEDONIA...OR 13 MILES
SOUTHWEST OF MOSSES...MOVING NORTHEAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  MOSSES...HAYNEVILLE...GORDONVILLE...BENTON...BEECHWOOD...WHITE
  HALL...LOWNDESBORO...COLLIRENE AND MANACK.

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

LAT...LON 3197 8686 3205 8686 3205 8691 3222 8691
      3223 8681 3227 8686 3234 8678 3241 8673
      3236 8672 3236 8668 3241 8665 3241 8662
      3237 8661 3236 8659 3238 8657 3234 8653
      3234 8649 3228 8648 3224 8640
TIME...MOT...LOC 2352Z 234DEG 41KT 3209 8684

$$
596 
WWUS54 KBMX 152358
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
658 PM CDT FRI APR 15 2011

ALC085-160015-
/O.CON.KBMX.TO.W.0076.000000T0000Z-110416T0015Z/
LOWNDES AL-
658 PM CDT FRI APR 15 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR LOWNDES COUNTY UNTIL 715
PM CDT...

AT 654 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 7 MILES NORTH OF MACEDONIA...OR 10 MILES SOUTHWEST
OF MOSSES...MOVING NORTHEAST AT 50 MPH.

LOCATIONS IMPACTED INCLUDE...
  MOSSES...HAYNEVILLE...GORDONVILLE...BEECHWOOD...WHITE HALL...
  LOWNDESBORO AND MANACK.

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

LAT...LON 3197 8686 3205 8686 3206 8691 3218 8686
      3231 8677 3236 8672 3236 8668 3241 8665
      3241 8662 3236 8659 3238 8657 3234 8653
      3234 8649 3228 8648 3224 8640 3223 8641
TIME...MOT...LOC 2359Z 238DEG 43KT 3212 8675

$$

17/KLAWS

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 15, 3:29 AM CDTWind AdvisoryBMXAutauga, Barbour, Bibb, Blount, Bullock, Calhoun and 33 more22 hr
Apr 15, 8:49 AM CDTSpecial Weather StatementBMXMarion41 min
Apr 15, 8:55 AM CDTSpecial Weather StatementBMXLamar50 min
Apr 15, 9:49 AM CDTAreal Flood AdvisoryBMXLamar116 min
Apr 15, 9:53 AM CDTSpecial Weather StatementBMXFayette, Marion37 min
Apr 15, 10:11 AM CDTFlash Flood WarningBMXLamar6 hr
Apr 15, 10:37 AM CDTSpecial Weather StatementBMXPickens38 min
Apr 15, 10:51 AM CDTSpecial Weather StatementBMXSt. Clair39 min
Apr 15, 10:59 AM CDTSevere Thunderstorm WarningBMXBlount, Jefferson, St. Clair46 min
Apr 15, 11:12 AM CDTAreal Flood AdvisoryBMXFayette, Walker, Winston2 hr
Apr 15, 11:52 AM CDTTornado WarningBMXMarengo38 min
Apr 15, 12:15 PM CDTSevere Thunderstorm WarningBMXLamar, Pickens34 min
Apr 15, 12:24 PM CDTTornado WarningBMXMarengo51 min
Apr 15, 12:36 PM CDTSevere Thunderstorm WarningBMXBlount, Jefferson, St. Clair27 min
Apr 15, 12:59 PM CDTTornado WarningBMXDallas, Marengo, Perry46 min
Apr 15, 1:10 PM CDTFlash Flood WarningBMXFayette, Lamar, Marion, Walker, Winston3 hr
Apr 15, 1:22 PM CDTAreal Flood AdvisoryBMXBlount3 hr
Apr 15, 1:25 PM CDTTornado Warning EmergencyBMXGreene, Sumter65 min
Apr 15, 1:43 PM CDTTornado WarningBMXPerry28 min
Apr 15, 2:14 PM CDTRiver Flood WarningBMXGreene, Hale, Marengo, Pickens, Sumter4 days
Apr 15, 2:14 PM CDTRiver Flood WarningBMXGreene, Hale, Marengo, Sumter20 hr
Apr 15, 2:14 PM CDTRiver Flood WarningBMXGreene, Hale, Marengo, Sumter20 hr
Apr 15, 2:17 PM CDTRiver Flood WarningBMXGreene, Hale, Marengo4 days
Apr 15, 2:24 PM CDTTornado Warning EmergencyBMXGreene, Hale, Tuscaloosa51 min
Apr 15, 2:31 PM CDTTornado WarningBMXMarengo, Sumter29 min
Apr 15, 2:39 PM CDTFlash Flood WarningBMXGreene, Pickens, Sumter3 hr
Apr 15, 2:41 PM CDTTornado WarningBMXGreene, Tuscaloosa64 min
Apr 15, 2:49 PM CDTTornado WarningBMXGreene, Hale, Sumter41 min
Apr 15, 2:56 PM CDTTornado WarningBMXGreene, Hale, Marengo, Perry, Sumter49 min
Apr 15, 3:10 PM CDTTornado WarningBMXGreene, Hale, Tuscaloosa50 min
Apr 15, 3:25 PM CDTFlash Flood WarningBMXTuscaloosa3 hr
Apr 15, 3:27 PM CDTTornado WarningBMXGreene, Hale, Tuscaloosa48 min
Apr 15, 3:32 PM CDTTornado WarningBMXSumter58 min
Apr 15, 3:34 PM CDTTornado WarningBMXLowndes, Montgomery56 min
Apr 15, 3:39 PM CDTTornado WarningBMXBibb, Hale, Perry, Tuscaloosa66 min
Apr 15, 3:44 PM CDTTornado WarningBMXJefferson, Tuscaloosa37 min
Apr 15, 3:57 PM CDTAreal Flood WarningBMXLamar24 hr
Apr 15, 4:18 PM CDTTornado WarningBMXGreene, Hale, Sumter57 min
Apr 15, 4:21 PM CDTTornado WarningBMXLamar39 min
Apr 15, 4:28 PM CDTTornado WarningBMXBibb, Jefferson, Shelby62 min
Apr 15, 4:33 PM CDTSevere Thunderstorm WarningBMXBibb, Jefferson, Shelby, Tuscaloosa42 min
Apr 15, 4:41 PM CDTTornado WarningBMXMarengo, Sumter64 min
Apr 15, 4:42 PM CDTTornado WarningBMXBibb, Tuscaloosa33 min
Apr 15, 4:45 PM CDTTornado WarningBMXFayette, Lamar, Marion26 min
Apr 15, 5:08 PM CDTSevere Thunderstorm WarningBMXLamar52 min
Apr 15, 5:09 PM CDTFlash Flood WarningBMXJefferson, Shelby3 hr
Apr 15, 5:13 PM CDTTornado WarningBMXBibb, Hale, Perry35 min
Apr 15, 5:18 PM CDTTornado WarningBMXLamar30 min
Apr 15, 5:26 PM CDTTornado WarningBMXSt. Clair, Shelby, Talladega49 min
Apr 15, 5:30 PM CDTTornado WarningBMXHale, Marengo, Perry, Sumter60 min
Apr 15, 5:38 PM CDTSevere Thunderstorm WarningBMXLamar22 min
Apr 15, 5:45 PM CDTSevere Thunderstorm WarningBMXChambers, Lee, Macon45 min
Apr 15, 5:47 PM CDTSevere Thunderstorm WarningBMXFayette, Lamar, Marion45 min
Apr 15, 5:55 PM CDTTornado WarningBMXLowndes, Montgomery46 min
Apr 15, 6:08 PM CDTTornado WarningBMXCalhoun, Clay, Cleburne, Talladega52 min
Apr 15, 6:11 PM CDTTornado WarningBMXDallas, Perry64 min
Apr 15, 6:12 PM CDTTornado WarningBMXLee21 min
Apr 15, 6:17 PM CDTSevere Thunderstorm WarningBMXFayette, Walker43 min
Apr 15, 6:19 PM CDTTornado WarningBMXMarengo56 min
Apr 15, 6:43 PM CDTAreal Flood AdvisoryBMXTalladega3 hr
Apr 15, 6:53 PM CDTTornado WarningBMXCalhoun, Clay, Cleburne, Talladega31 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.