Alert archive / Alabama / Tornado Warnings in 2011

Tornado Warning 74, NWS Birmingham, AL

April 15, 2011Dallas County, Perry County, Alabama

NWS Birmingham, AL issued this tornado warning at Apr 15, 2011, 6:11 PM CDT for Dallas County, Perry County, Alabama. It was in force for 64 min. 8 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, 6:11 PM CDT (23:11 UTC)
Expired
Apr 15, 2011, 7:15 PM CDT
In force
64 min
Issued by
NWS Birmingham, AL
Area
Storm-based polygon

Counties Dallas County, AL, Perry County, AL

The radar

The Birmingham radar (KBMX), 74 km from the middle of the area, began a volume at 23:13 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

TimeReportWhereRemark
Apr 15, 6:27 PM CDTTORNADO 25 Sse Marion, ALAN EF-2 TORNADO TOUCHED DOWN 2.7 MILES NORTH OF HAMBURG JUST WEST OF COUNTY ROAD 45. THERE WAS SOME DAMAGE TO THE ROOF OF A BARN AND SEVERAL DOZEN HARD AND SOFTWOOD TREES UPROOTED AND SNAPPED. THE TORNADO CROSSED COUNTY ROAD 45 WHERE A SIGNIFICANT NUMBER OF HA
Apr 15, 6:36 PM CDTTORNADOHamburg, ALCITIZEN REPORTS TORNADO ON THE GROUND NEAR THE HAMBURG COMMUNITY. NEAR PERRY CR 6, DALLAS CR 45, AND AL HWY 14 MOVING TOWARDS DALLAS COUNTY.
Apr 15, 6:36 PM CDTTORNADOS Marion, ALPOWER LINES DOWN. CR 45 CLOSED.
Apr 15, 7:00 PM CDTTSTM WND DMG5 E Hamburg, ALSPOTTER OBSERVED 75 MPH WINDS ON A HAND HELD ANEMOMETER 1 MILE SOUTHEAST OF SCUTTLE...WITH SEVERAL TREES DOWN.
Apr 15, 7:00 PM CDTTSTM WND DMG5 E Hamburg, ALSPOTTER OBSERVED 75 MPH WINDS ON A HAND HELD ANEMOMETER 1 MILE SOUTHEAST OF SUTTLE...WITH SEVERAL TREES DOWN.
Apr 15, 7:05 PM CDTTSTM WND DMG4 Sw Plantersville, ALTREES DOWN AND BLOCKING SR 22.
Apr 15, 7:05 PM CDTTORNADO 16 Nnw Valley Grande, ALAN EF-1 TORNADO BRIEFLY TOUCHED DOWN ALONG COUNTY ROAD 272 UPROOTING SEVERAL SOFT AND HARDWOOD TREES. SIGNIFICANT DAMAGE WAS SUSTAINED TO A MOBILE HOME FROM UPROOTED TREES. THE DAMAGE PATH LENGTH WAS 0.1 MILES AND THE MAX WIDTH WAS 100 YARDS WIDE. THE MAX ESTI
Apr 15, 7:05 PM CDTTORNADO 16 Nnw Valley Grande, ALAN EF-1 TORNADO BRIEFLY TOUCHED DOWN ALONG COUNTY ROAD 272 UPROOTING SEVERAL SOFT AND HARDWOOD TREES. SIGNIFICANT DAMAGE WAS SUSTAINED TO A MOBILE HOME FROM UPROOTED TREES. THE DAMAGE PATH LENGTH WAS 0.1 MILES AND THE MAX WIDTH WAS 75 YARDS WIDE. THE MAX ESTIM

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, 11:21 AM CDTTornado WatchSPC9 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 11.2 hours before the alert went out and 74 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.

361 
WFUS54 KBMX 152311
TORBMX
ALC047-105-160015-
/O.NEW.KBMX.TO.W.0074.110415T2311Z-110416T0015Z/

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

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN DALLAS COUNTY IN SOUTH CENTRAL ALABAMA...
  PERRY COUNTY IN CENTRAL ALABAMA...

* UNTIL 715 PM CDT

* AT 608 PM CDT...THE NATIONAL WEATHER SERVICE INDICATED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM
  WAS LOCATED NEAR UNIONTOWN...AND MOVING NORTHEAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MARION...MARION JUNCTION...VALDEN...PAUL M GRIST STATE PARK...
  HAMBURG...SUTTLE...RED FORD...SPROTT AND VALLEY CREEK JUNCTION.

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 3240 8752 3259 8752 3284 8717 3283 8708
      3275 8701 3267 8702 3267 8694 3263 8691
      3258 8690 3234 8747
TIME...MOT...LOC 2311Z 234DEG 27KT 3248 8745

$$

03/08
3 follow-up statements
056 
WWUS54 KBMX 152331
SVSBMX

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

ALC047-105-160015-
/O.CON.KBMX.TO.W.0074.000000T0000Z-110416T0015Z/
DALLAS AL-PERRY AL-
631 PM CDT FRI APR 15 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR PERRY AND NORTHWESTERN
DALLAS COUNTIES UNTIL 715 PM CDT...

AT 627 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
MULTIPLE SEVERE THUNDERSTORMS CAPABLE OF PRODUCING THREE SEPARATE 
TORNADOES.  THESE DANGEROUS STORMS WERE LOCATED NEAR VALDEN...5 
SOUTH OF MARION...AND JUST EAST OF HAMBURG...MOVING NORTHEAST AT 40 
MPH.

LOCATIONS IMPACTED INCLUDE...
  MARION...VALDEN...PAUL M GRIST STATE PARK...HAMBURG...SUTTLE...RED
  FORD...SPROTT AND VALLEY CREEK JUNCTION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

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

LAT...LON 3254 8751 3284 8717 3283 8708 3275 8701
      3267 8702 3267 8694 3263 8691 3258 8690
      3240 8740
TIME...MOT...LOC 2329Z 231DEG 36KT 3250 8738

$$

03/08
339 
WWUS54 KBMX 152339 RRA
SVSBMX

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

ALC047-105-160015-
/O.CON.KBMX.TO.W.0074.000000T0000Z-110416T0015Z/
DALLAS AL-PERRY AL-
639 PM CDT FRI APR 15 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR PERRY AND NORTH CENTRAL
DALLAS COUNTIES UNTIL 715 PM CDT...

AT 636 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
CONFIRMED TORNADO.  THIS TORNADO WAS LOCATED NORTH OF MARION 
JUNCTION...OR 9 MILES SOUTH OF MARION...MOVING NORTHEAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  PAUL M GRIST STATE PARK...SUTTLE...RED FORD...SPROTT AND VALLEY
  CREEK JUNCTION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

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

LAT...LON 3257 8742 3284 8717 3283 8708 3275 8701
      3267 8702 3266 8693 3263 8691 3258 8690
      3243 8732
TIME...MOT...LOC 2339Z 243DEG 39KT 3252 8726

$$

03/08
216 
WWUS54 KBMX 152349
SVSBMX

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

ALC047-105-160015-
/O.CON.KBMX.TO.W.0074.000000T0000Z-110416T0015Z/
DALLAS AL-PERRY AL-
649 PM CDT FRI APR 15 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR EASTERN PERRY AND NORTH
CENTRAL DALLAS COUNTIES UNTIL 715 PM CDT...

AT 645 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
CONFIRMED TORNADO.  THIS TORNADO WAS LOCATED JUST SOUTH OF SUTTLE 
MOVING EAST NORTHEAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  PAUL M GRIST STATE PARK AND VALLEY CREEK JUNCTION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

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

LAT...LON 3260 8733 3283 8717 3284 8713 3283 8708
      3275 8701 3267 8702 3266 8693 3263 8691
      3258 8690 3247 8721
TIME...MOT...LOC 2348Z 254DEG 38KT 3253 8715

$$

03/08

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, 6:12 PM CDTTornado WarningBMXLee21 min
Apr 15, 6:15 PM CDTTornado WarningBMXDallas, Lowndes60 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.