Alert archive / Alabama / Tornado Warnings in 2011

Tornado Warning 88, NWS Birmingham, AL

April 15, 2011Autauga County, Coosa County, Elmore County, Alabama

NWS Birmingham, AL issued this tornado warning at Apr 15, 2011, 10:44 PM CDT for Autauga County, Coosa County, Elmore County, Alabama. It was in force for 46 min. 6 reports 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 15, 2011, 10:44 PM CDT (03:44 UTC)
Expired
Apr 15, 2011, 11:30 PM CDT
In force
46 min
Issued by
NWS Birmingham, AL
Area
Storm-based polygon

Counties Autauga County, AL, Coosa County, AL, Elmore County, AL

What was reported inside it

TimeReportWhereRemark
Apr 15, 10:49 PM CDTTORNADO4 S New Prospect, ALTREES DOWN AND HOME DAMAGED AT CR 57 SOUTH OF CR 49.
Apr 15, 10:50 PM CDTTORNADO6 N Booth, ALWINDOWS BROKEN...PORCHES TORN...AND TREES DOWN IN MOBILE HOME PARK ON CR94.
Apr 15, 10:55 PM CDTTORNADO6 Nw Prattville, AL*** 3 FATAL, 4 INJ *** CR 40 SIGNIFICANT DAMAGE. HOMES DESTROYED. EMA REPORTS SIGNIFICANT DAMAGE IN THE ENTIRE AREA.
Apr 15, 10:55 PM CDTTORNADO6 Nw Prattville, AL*** 3 INJ *** CR 40 SIGNIFICANT DAMAGE. 3 HOMES DESTROYED, 3 CRITICAL INJURIES, 3 PEOPLE MISSING. EMA REPORTS SIGNIFICANT DAMAGE IN THE ENTIRE AREA.
Apr 15, 11:17 PM CDTTORNADO 23 Ne Ten Cedar Estates, ALAN EF-2 TORNADO TOUCHED DOWN 6.4 MILES WEST OF CENTRAL ALONG COUNTY ROAD 334 IN NORTHERN ELMORE COUNTY.THE TORNADO TRAVELED NORTHEAST CROSSING STATE HIGHWAY 9 IN SOUTHERN COOSA COUNTY CAUSING STRUCTURE DAMAGE TO AT LEAST ONE HOME IN EQUALITY...WHERE THE ROOF A
Apr 15, 11:25 PM CDTTORNADO6 Nw Central, ALSIGNIFICANT STRUCTURE DAMAGE NEAR THE WEOKA COMMUNITY ONE MILE SOUTH OF THE COUNTY LINE BETWEEN STATE HWY 231 AND 9.

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.

IssuedProductOfficeLasted
Apr 15, 7:48 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 3.7 hours before the alert went out and 195 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, Peachtre/Fal Fld, GA at 00:00Z on 2011-04-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 406 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 00:00Z on 2011-04-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 373 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
406 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
1138 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
373 m²/s²
0-3 km storm-relative helicity
566 m²/s²
Significant tornado parameter
1.3
Supercell composite
11.3

Open this sounding in Storm Lab

The text

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

725 
WFUS54 KBMX 160344
TORBMX
ALC001-037-051-160430-
/O.NEW.KBMX.TO.W.0088.110416T0344Z-110416T0430Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1044 PM CDT FRI APR 15 2011

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN AUTAUGA COUNTY IN CENTRAL ALABAMA...
  SOUTHEASTERN COOSA COUNTY IN EAST CENTRAL ALABAMA...
  ELMORE COUNTY IN EAST CENTRAL ALABAMA...

* UNTIL 1130 PM CDT

* AT 1040 PM CDT...THE NATIONAL WEATHER SERVICE INDICATED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM
  WAS LOCATED NEAR VIDA JUNCTION...OR 14 MILES NORTHWEST OF
  PRATTVILLE...AND MOVING EAST AT 60 MPH.

* LOCATIONS IMPACTED INCLUDE...
  WETUMPKA...EQUALITY...MARBURY...DEATSVILLE...COOSADA...ELMORE...
  TITUS...WEOKA MILLS...TEN CEDAR ESTATES AND SPEED.

THIS INCLUDES...
INTERSTATE 65 EXIT NUMBERS 181 THROUGH 193...

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 3264 8675 3272 8648 3271 8642 3274 8641
      3286 8600 3251 8600 3250 8624 3251 8626
      3249 8626 3246 8672
TIME...MOT...LOC 0344Z 250DEG 51KT 3257 8660

$$

17/KLAWS
3 follow-up statements
332 
WWUS54 KBMX 160351
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1051 PM CDT FRI APR 15 2011

ALC001-037-051-160430-
/O.CON.KBMX.TO.W.0088.000000T0000Z-110416T0430Z/
AUTAUGA AL-ELMORE AL-COOSA AL-
1051 PM CDT FRI APR 15 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN COOSA...
ELMORE AND NORTHEASTERN AUTAUGA COUNTIES UNTIL 1130 PM CDT...

AT 1049 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 6 MILES NORTH OF BOOTH...OR 12 MILES NORTHWEST OF
PRATTVILLE...MOVING NORTHEAST AT 40 MPH.

LOCATIONS IMPACTED INCLUDE...
  WETUMPKA...EQUALITY...MARBURY...DEATSVILLE...ELMORE...WEOKA
  MILLS...TITUS...TEN CEDAR ESTATES...SPEED AND DEXTER.

THIS INCLUDES...
INTERSTATE 65 EXIT NUMBERS 186 THROUGH 193...

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

LAT...LON 3254 8657 3264 8661 3271 8649 3271 8642
      3274 8641 3286 8601 3251 8600 3250 8624
      3251 8626 3249 8627
TIME...MOT...LOC 0351Z 243DEG 35KT 3260 8655

$$

17/KLAWS
962 
WWUS54 KBMX 160405
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1105 PM CDT FRI APR 15 2011

ALC001-160415-
/O.CAN.KBMX.TO.W.0088.000000T0000Z-110416T0430Z/
AUTAUGA AL-
1105 PM CDT FRI APR 15 2011

...THE TORNADO WARNING FOR NORTHEASTERN AUTAUGA 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 3257 8622 3259 8641 3274 8641 3286 8601
      3258 8600
TIME...MOT...LOC 0405Z 249DEG 44KT 3266 8635

$$

ALC037-051-160430-
/O.CON.KBMX.TO.W.0088.000000T0000Z-110416T0430Z/
ELMORE AL-COOSA AL-
1105 PM CDT FRI APR 15 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN COOSA AND
NORTHERN ELMORE COUNTIES UNTIL 1130 PM CDT...

AT 1103 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR DEATSVILLE...OR 12 MILES NORTH OF MILLBROOK...
MOVING EAST AT 50 MPH.

LOCATIONS IMPACTED INCLUDE...
  EQUALITY...TITUS...WEOKA MILLS...TEN CEDAR ESTATES...SPEED...
  DEXTER...SANTUCK...ECLECTIC...JORDAN DAM AND WALLSBORO.

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

LAT...LON 3257 8622 3259 8641 3274 8641 3286 8601
      3258 8600
TIME...MOT...LOC 0405Z 249DEG 44KT 3266 8635

$$

17/KLAWS
754 
WWUS54 KBMX 160418
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1118 PM CDT FRI APR 15 2011

ALC037-051-160430-
/O.CON.KBMX.TO.W.0088.000000T0000Z-110416T0430Z/
ELMORE AL-COOSA AL-
1118 PM CDT FRI APR 15 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN COOSA AND
NORTH CENTRAL ELMORE COUNTIES UNTIL 1130 PM CDT...

AT 1117 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR TEN CEDAR ESTATES...OR 8 MILES SOUTHWEST OF
EQUALITY...MOVING EAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  EQUALITY AND CENTRAL.

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

LAT...LON 3264 8617 3263 8625 3278 8628 3286 8601
      3267 8600
TIME...MOT...LOC 0419Z 251DEG 41KT 3270 8617

$$

17/KLAWS

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 15, 7:03 PM CDTTornado WarningBMXAutauga, Chilton, Dallas, Perry57 min
Apr 15, 7:06 PM CDTTornado WarningBMXLowndes, Montgomery39 min
Apr 15, 7:09 PM CDTTornado WarningBMXDallas, Marengo, Perry66 min
Apr 15, 7:33 PM CDTAreal Flood AdvisoryBMXMarengo3 hr
Apr 15, 7:41 PM CDTTornado WarningBMXChilton, Coosa28 min
Apr 15, 8:10 PM CDTTornado WarningBMXAutauga, Chilton, Dallas, Perry50 min
Apr 15, 8:52 PM CDTTornado WarningBMXAutauga, Elmore38 min
Apr 15, 9:15 PM CDTTornado WarningBMXAutauga, Chilton, Coosa, Elmore30 min
Apr 15, 9:19 PM CDTTornado WarningBMXAutauga, Dallas, Lowndes41 min
Apr 15, 9:37 PM CDTTornado WarningBMXCoosa, Elmore, Tallapoosa38 min
Apr 15, 10:32 PM CDTSevere Thunderstorm WarningBMXAutauga, Chilton, Coosa, Dallas, Elmore, Lowndes and 2 more28 min
Apr 15, 10:43 PM CDTSevere Thunderstorm WarningBMXCalhoun, Clay, Cleburne, Coosa, Randolph, Talladega and 1 more32 min
Apr 15, 11:20 PM CDTSevere Thunderstorm WarningBMXLowndes, Montgomery, Pike40 min
Apr 15, 11:21 PM CDTTornado WarningBMXChambers, Coosa, Elmore, Tallapoosa54 min
Apr 15, 11:28 PM CDTSevere Thunderstorm WarningBMXChambers, Clay, Cleburne, Randolph, Tallapoosa47 min
Apr 15, 11:52 PM CDTSevere Thunderstorm WarningBMXBullock, Macon, Montgomery, Pike38 min
Apr 15, 11:53 PM CDTTornado WarningBMXChambers, Randolph, Tallapoosa52 min
Apr 16, 12:14 AM CDTSevere Thunderstorm WarningBMXBullock, Montgomery, Pike46 min
Apr 16, 12:36 AM CDTFlash Flood WarningBMXChambers, Randolph, Tallapoosa3 hr
Apr 16, 12:41 AM CDTSevere Thunderstorm WarningBMXBullock, Lee, Macon, Russell34 min
Apr 16, 12:55 AM CDTSevere Thunderstorm WarningBMXBullock, Macon, Montgomery, Pike50 min
Apr 16, 1:26 AM CDTSevere Thunderstorm WarningBMXBullock, Lee, Macon, Russell49 min
Apr 16, 2:11 AM CDTSevere Thunderstorm WarningBMXLee, Russell19 min
Apr 16, 2:58 AM CDTSpecial Weather StatementBMXRussell47 min
Apr 16, 4:13 AM CDTWind AdvisoryBMXAutauga, Barbour, Bibb, Blount, Bullock, Calhoun and 33 more15 hr

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.