Alert archive / Alabama / Tornado Warnings in 2011

Tornado Warning 90, NWS Birmingham, AL

April 15, 2011Chambers County, Randolph County, Tallapoosa County, Alabama

NWS Birmingham, AL issued this tornado warning at Apr 15, 2011, 11:53 PM CDT for Chambers County, Randolph County, Tallapoosa County, Alabama. It was in force for 52 min. 2 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, 11:53 PM CDT (04:53 UTC)
Expired
Apr 16, 2011, 12:45 AM CDT
In force
52 min
Issued by
NWS Birmingham, AL
Area
Storm-based polygon

Counties Chambers County, AL, Randolph County, AL, Tallapoosa County, AL

What was reported inside it

TimeReportWhereRemark
Apr 16, 12:13 AM CDTTSTM WND DMGWadley, ALSIGNS IN A SHOPPING CENTER BLOWN DOWN IN THE WADLEY AREA.
Apr 16, 12:27 AM CDTTSTM WND DMG1 W Roanoke, ALLARGE TREE FELL ON HOME.

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, 4.9 hours before the alert went out and 107 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.

368 
WFUS54 KBMX 160453
TORBMX
ALC017-111-123-160545-
/O.NEW.KBMX.TO.W.0090.110416T0453Z-110416T0545Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1153 PM CDT FRI APR 15 2011

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN CHAMBERS COUNTY IN EAST CENTRAL ALABAMA...
  SOUTHERN RANDOLPH COUNTY IN EAST CENTRAL ALABAMA...
  NORTHERN TALLAPOOSA COUNTY IN EAST CENTRAL ALABAMA...

* UNTIL 1245 AM CDT

* AT 1149 PM CDT...EMERGENCY MANAGEMENT REPORTED A TORNADO NEAR
  JACKSONS' GAP...OR 6 MILES EAST OF ALEXANDER CITY. DOPPLER RADAR   
  SHOWED THIS TORNADO MOVING NORTHEAST AT 50 MPH. SIGNIFICANT DAMAGE 
  HAS BEEN REPORTED THIS STORM!!  TAKE COVER NOW TO PROTECT YOUR     
  LIFE!!

* LOCATIONS IMPACTED INCLUDE...
  LAFAYETTE...STROUD...ROANOKE...NEW SITE...RIDGE GROVE...TRAMMEL
  CROSSROADS...SPARKLING SPRINGS...WADLEY...PENTON AND ABANDA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. 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 3282 8583 3296 8593 3312 8570 3312 8565
      3315 8565 3341 8529 3340 8528 3291 8518
TIME...MOT...LOC 0452Z 235DEG 45KT 3294 8579

$$

17/KLAWS
2 follow-up statements
651 
WWUS54 KBMX 160520 RRA
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1220 AM CDT SAT APR 16 2011

ALC017-111-123-160545-
/O.CON.KBMX.TO.W.0090.000000T0000Z-110416T0545Z/
TALLAPOOSA AL-CHAMBERS AL-RANDOLPH AL-
1220 AM CDT SAT APR 16 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHERN RANDOLPH...
NORTHERN CHAMBERS AND NORTHERN TALLAPOOSA COUNTIES UNTIL 1245 AM
CDT...

AT 1217 AM CDT...EMERGENCY MANAGEMENT REPORTED A TORNADO ACROSS 
SEVERAL COUNTIES!  THIS TORNADO WAS LOCATED NEAR ABANDA...OR 10 
MILES WEST OF ROANOKE...MOVING NORTHEAST AT 55 MPH.

LOCATIONS IMPACTED INCLUDE...
  STROUD...ROANOKE...FREDONIA...LAKEVIEW...WELCH...POST OAK FORKS...
  VEASEY CREEK PARK...AMITY PARK...CRYSTAL LAKE AND SOUTHERN HARBOR.

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

LAT...LON 3282 8583 3296 8593 3312 8570 3312 8565
      3315 8565 3341 8529 3340 8528 3291 8518
TIME...MOT...LOC 0520Z 231DEG 47KT 3313 8549

$$

17/KLAWS
453 
WWUS54 KBMX 160529
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1229 AM CDT SAT APR 16 2011

ALC123-160539-
/O.CAN.KBMX.TO.W.0090.000000T0000Z-110416T0545Z/
TALLAPOOSA AL-
1229 AM CDT SAT APR 16 2011

...THE TORNADO WARNING FOR NORTHERN TALLAPOOSA COUNTY IS CANCELLED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE 
WARNED AREA.

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

LAT...LON 3294 8545 3312 8553 3323 8554 3341 8529
      3340 8528 3297 8519
TIME...MOT...LOC 0529Z 240DEG 46KT 3327 8534 3303 8536

$$

ALC017-111-160545-
/O.CON.KBMX.TO.W.0090.000000T0000Z-110416T0545Z/
CHAMBERS AL-RANDOLPH AL-
1229 AM CDT SAT APR 16 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN RANDOLPH AND
NORTH CENTRAL CHAMBERS COUNTIES UNTIL 1245 AM CDT...

AT 1227 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING A TORNADO.  THESE
DANGEROUS STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 5 MILES
NORTHEAST OF CRYSTAL LAKE TO WHITE PLAINS...MOVING NORTHEAST AT 55
MPH.

LOCATIONS IMPACTED INCLUDE...
  STROUD...FREDONIA...POST OAK FORKS...VEASEY CREEK PARK...AMITY
  PARK...NAPOLEON...BIG SPRINGS...ROCK MILLS...STROUD CREEK AND ROCKY
  POINT.

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

LAT...LON 3294 8545 3312 8553 3323 8554 3341 8529
      3340 8528 3297 8519
TIME...MOT...LOC 0529Z 240DEG 46KT 3327 8534 3303 8536

$$

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, 10:44 PM CDTTornado WarningBMXAutauga, Coosa, Elmore46 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 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.