Alert archive / Alabama / Tornado Warnings in 2011

Tornado Warning 31, NWS Birmingham, AL

March 27, 20114 counties in Alabama

NWS Birmingham, AL issued this tornado warning at Mar 27, 2011, 1:08 AM CDT for 4 counties in Alabama. It was in force for 52 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
Mar 27, 2011, 1:08 AM CDT (06:08 UTC)
Expired
Mar 27, 2011, 2:00 AM CDT
In force
52 min
Issued by
NWS Birmingham, AL
Area
Storm-based polygon

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

The watch it was issued in

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

IssuedProductOfficeLasted
Mar 26, 7:47 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 6.1 hours before the alert went out and 95 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 2011-03-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 120 joules per kilogram.LCLLFCEL10008507005003002001001 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, Peachtre/Fal Fld, GA at 00:00Z on 2011-03-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 343 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
120 J/kg
Mixed-layer CIN
-166 J/kg
Mixed-layer LCL
635 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
343 m²/s²
0-3 km storm-relative helicity
404 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.7

Open this sounding in Storm Lab

The text

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

773 
WFUS54 KBMX 270608
TORBMX
ALC017-027-111-123-270700-
/O.NEW.KBMX.TO.W.0031.110327T0608Z-110327T0700Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
108 AM CDT SUN MAR 27 2011

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN CHAMBERS COUNTY IN EAST CENTRAL ALABAMA...
  SOUTHEASTERN CLAY COUNTY IN EAST CENTRAL ALABAMA...
  SOUTHWESTERN RANDOLPH COUNTY IN EAST CENTRAL ALABAMA...
  NORTHEASTERN TALLAPOOSA COUNTY IN EAST CENTRAL ALABAMA...

* UNTIL 200 AM CDT

* AT 107 AM CDT...THE NATIONAL WEATHER SERVICE INDICATED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM
  WAS LOCATED NEAR GOLDVILLE...OR 12 MILES SOUTHEAST OF ASHLAND...AND
  MOVING EAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  STROUD...LAFAYETTE...WADLEY...SPARKLING SPRINGS...ABANDA...RED
  LEVEL...TRAMMEL CROSSROADS...PENTON...WHITE PLAINS AND WELCH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

&&

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

LAT...LON 3283 8527 3310 8580 3318 8574 3307 8522
      3298 8520
TIME...MOT...LOC 0608Z 292DEG 27KT 3312 8572

$$

27
3 follow-up statements
849 
WWUS54 KBMX 270619
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
119 AM CDT SUN MAR 27 2011

ALC027-111-270629-
/O.CAN.KBMX.TO.W.0031.000000T0000Z-110327T0700Z/
CLAY AL-RANDOLPH AL-
119 AM CDT SUN MAR 27 2011

...THE TORNADO WARNING FOR SOUTHWESTERN RANDOLPH AND SOUTHEASTERN
CLAY COUNTIES 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 3283 8527 3307 8572 3312 8568 3312 8553
      3307 8522 3298 8520
TIME...MOT...LOC 0619Z 292DEG 27KT 3309 8563

$$

ALC017-123-270700-
/O.CON.KBMX.TO.W.0031.000000T0000Z-110327T0700Z/
TALLAPOOSA AL-CHAMBERS AL-
119 AM CDT SUN MAR 27 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHERN CHAMBERS AND
NORTHEASTERN TALLAPOOSA COUNTIES UNTIL 200 AM CDT...

AT 116 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR SPARKLING SPRINGS...OR 16 MILES SOUTH OF
LINEVILLE...MOVING EAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  STROUD...SPARKLING SPRINGS...ABANDA...RED LEVEL...PENTON...WHITE
  PLAINS...BUFFALO...POST OAK FORKS...FREDONIA AND DENSON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

&&

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

LAT...LON 3283 8527 3307 8572 3312 8568 3312 8553
      3307 8522 3298 8520
TIME...MOT...LOC 0619Z 292DEG 27KT 3309 8563

$$

27
383 
WWUS54 KBMX 270631
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
131 AM CDT SUN MAR 27 2011

ALC123-270641-
/O.CAN.KBMX.TO.W.0031.000000T0000Z-110327T0700Z/
TALLAPOOSA AL-
131 AM CDT SUN MAR 27 2011

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

THIS PARTICULAR PORTION OF THE LINE HAS MOVED OUT OF THE AREA...BUT 
THERE IS STILL ANOTHER POTENTIALLY TORNADIC CELL UPSTREAM...AND THE 
TORNADO WATCH CONTINUES UNTIL 3 AM.

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

LAT...LON 3283 8527 3302 8560 3311 8559 3312 8550
      3307 8522 3298 8520
TIME...MOT...LOC 0631Z 292DEG 27KT 3305 8553

$$

ALC017-270700-
/O.CON.KBMX.TO.W.0031.000000T0000Z-110327T0700Z/
CHAMBERS AL-
131 AM CDT SUN MAR 27 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHERN CHAMBERS COUNTY
UNTIL 200 AM CDT...

AT 125 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR SPARKLING SPRINGS...OR 13 MILES WEST OF
ROANOKE...MOVING EAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  STROUD...RED LEVEL...PENTON...WHITE PLAINS...WELCH...BUFFALO...POST
  OAK FORKS...FREDONIA...DENSON AND VEASEY CREEK PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

&&

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

LAT...LON 3283 8527 3302 8560 3311 8559 3312 8550
      3307 8522 3298 8520
TIME...MOT...LOC 0631Z 292DEG 27KT 3305 8553

$$

27
882 
WWUS54 KBMX 270642
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
142 AM CDT SUN MAR 27 2011

ALC017-270700-
/O.CON.KBMX.TO.W.0031.000000T0000Z-110327T0700Z/
CHAMBERS AL-
142 AM CDT SUN MAR 27 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHERN CHAMBERS COUNTY
UNTIL 200 AM CDT...

AT 139 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR PENTON...OR 8 MILES WEST OF STROUD...MOVING
EAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  STROUD...WHITE PLAINS...WELCH...BUFFALO...POST OAK FORKS...
  FREDONIA...DENSON...VEASEY CREEK PARK...AMITY PARK AND ROCKY POINT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

&&

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

LAT...LON 3283 8527 3301 8550 3311 8550 3312 8548
      3307 8522 3298 8520
TIME...MOT...LOC 0643Z 292DEG 27KT 3302 8543

$$

27

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 26, 7:12 PM CDTSevere Thunderstorm WarningBMXCalhoun, Cleburne37 min
Mar 26, 7:19 PM CDTSevere Thunderstorm WarningBMXFayette, Walker41 min
Mar 26, 7:32 PM CDTSevere Thunderstorm WarningBMXWalker, Winston28 min
Mar 26, 7:39 PM CDTTornado WarningBMXWalker36 min
Mar 26, 8:05 PM CDTTornado WarningBMXJefferson, Walker55 min
Mar 26, 8:21 PM CDTSevere Thunderstorm WarningBMXCherokee24 min
Mar 26, 8:28 PM CDTSevere Thunderstorm WarningBMXMarion, Winston62 min
Mar 26, 8:30 PM CDTSevere Thunderstorm WarningBMXCherokee, Etowah60 min
Mar 26, 8:58 PM CDTSevere Thunderstorm WarningBMXBlount, Calhoun, Jefferson, St. Clair, Talladega25 min
Mar 26, 9:13 PM CDTSevere Thunderstorm WarningBMXCalhoun, Cherokee, Cleburne, Etowah47 min
Mar 26, 9:16 PM CDTSevere Thunderstorm WarningBMXMarion, Winston59 min
Mar 26, 9:44 PM CDTSevere Thunderstorm WarningBMXFayette, Marion, Walker, Winston46 min
Mar 26, 10:12 PM CDTSevere Thunderstorm WarningBMXCalhoun, Clay, Cleburne, Randolph, Talladega48 min
Mar 26, 10:16 PM CDTAreal Flood AdvisoryBMXCalhoun, Cleburne, Jefferson, St. Clair, Shelby, Talladega3 hr
Mar 26, 10:27 PM CDTSevere Thunderstorm WarningBMXBlount, Jefferson, Walker63 min
Mar 26, 10:27 PM CDTTornado WarningBMXClay, St. Clair, Talladega15 min
Mar 26, 10:30 PM CDTSevere Thunderstorm WarningBMXClay, Jefferson, St. Clair, Shelby, Talladega45 min
Mar 26, 10:34 PM CDTSevere Thunderstorm WarningBMXFayette, Lamar, Tuscaloosa56 min
Mar 26, 10:45 PM CDTSevere Thunderstorm WarningBMXClay, Cleburne, Randolph, St. Clair, Talladega45 min
Mar 26, 11:09 PM CDTSevere Thunderstorm WarningBMXClay, Talladega36 min
Mar 26, 11:19 PM CDTSevere Thunderstorm WarningBMXClay, Randolph41 min
Mar 26, 11:28 PM CDTSevere Thunderstorm WarningBMXJefferson, Tuscaloosa, Walker16 min
Mar 27, 12:32 AM CDTSevere Thunderstorm WarningBMXRandolph15 min
Mar 27, 12:46 AM CDTSpecial Weather StatementBMXClay44 min
Mar 27, 12:53 AM CDTSpecial Weather StatementBMXChambers, Randolph67 min
Mar 27, 1:06 AM CDTTornado WarningBMXChambers17 min
Mar 27, 1:12 AM CDTTornado WarningBMXChambers, Tallapoosa48 min
Mar 27, 1:52 AM CDTTornado WarningBMXChambers22 min
Mar 27, 1:53 AM CDTTornado WarningBMXChambers, Tallapoosa13 min
Mar 27, 2:24 AM CDTSpecial Weather StatementBMXWinston51 min
Mar 27, 4:00 AM CDTSpecial Weather StatementBMXCherokee45 min
Mar 27, 4:41 AM CDTSpecial Weather StatementBMXCherokee, Etowah49 min
Mar 27, 6:16 AM CDTSpecial Weather StatementBMXGreene44 min
Mar 27, 6:26 AM CDTSevere Thunderstorm WarningBMXGreene, Hale, Tuscaloosa49 min
Mar 27, 7:01 AM CDTSevere Thunderstorm WarningBMXBibb, Hale, Tuscaloosa44 min
Mar 27, 7:11 AM CDTSevere Thunderstorm WarningBMXGreene, Sumter49 min
Mar 27, 7:42 AM CDTSevere Thunderstorm WarningBMXBibb, Chilton, Coosa48 min
Mar 27, 7:55 AM CDTSpecial Weather StatementBMXGreene, Hale50 min
Mar 27, 7:58 AM CDTSpecial Weather StatementBMXShelby47 min
Mar 27, 8:32 AM CDTSpecial Weather StatementBMXCoosa43 min
Mar 27, 9:45 AM CDTSpecial Weather StatementBMXChilton45 min
Mar 27, 10:02 AM CDTSevere Thunderstorm WarningBMXAutauga, Chilton, Coosa, Elmore28 min
Mar 27, 10:27 AM CDTSpecial Weather StatementBMXCoosa33 min
Mar 27, 10:40 AM CDTSpecial Weather StatementBMXChilton50 min
Mar 27, 11:02 AM CDTSpecial Weather StatementBMXTallapoosa43 min
Mar 27, 11:37 AM CDTSpecial Weather StatementBMXChambers23 min
Mar 27, 11:41 AM CDTSpecial Weather StatementBMXElmore49 min
Mar 27, 12:05 PM CDTSpecial Weather StatementBMXRussell40 min
Mar 27, 12:12 PM CDTSevere Thunderstorm WarningBMXRussell48 min
Mar 27, 1:29 PM CDTSevere Thunderstorm WarningBMXBarbour31 min
Mar 27, 6:13 PM CDTSpecial Weather StatementBMXBarbour47 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.