Alert archive / Alabama / Tornado Warnings in 2011

Tornado Warning 19, NWS Birmingham, AL

March 26, 2011Autauga County, Elmore County, Alabama

NWS Birmingham, AL issued this tornado warning at Mar 26, 2011, 3:11 PM CDT for Autauga County, Elmore County, Alabama. It was in force for 49 min. 4 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: Mar 26, 2011, 3:11 PM CDT (20:11 UTC)
Expired: Mar 26, 2011, 4:00 PM CDT
In force: 49 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon

Counties Autauga County, AL, Elmore County, AL

What was reported inside it

Time	Report	Where	Remark
Mar 26, 3:35 PM CDT	HAIL 0.25	2 W Wetumpka, AL	PEA SIZE HAIL.
Mar 26, 3:38 PM CDT	HAIL 1	4 Wsw Deatsville, AL	QUARTER SIZE HAIL IN PINE LEVEL.
Mar 26, 3:53 PM CDT	HAIL 1	Millbrook, AL
Mar 26, 3:56 PM CDT	HAIL 0.75	2 Wnw Millbrook, AL	PEA TO DIME SIZE HAIL.

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.

Issued	Product	Office	Lasted
Mar 26, 12:15 PM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 8.2 hours before the alert went out and 87 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 54 J/kg
Mixed-layer CIN: -256 J/kg
Mixed-layer LCL: 809 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 147 m²/s²
0-3 km storm-relative helicity: 185 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

213 
WFUS54 KBMX 262011
TORBMX
ALC001-051-262100-
/O.NEW.KBMX.TO.W.0019.110326T2011Z-110326T2100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
311 PM CDT SAT MAR 26 2011

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL AUTAUGA COUNTY IN CENTRAL ALABAMA...
  WESTERN ELMORE COUNTY IN EAST CENTRAL ALABAMA...

* UNTIL 400 PM CDT

* AT 309 PM CDT...THE NATIONAL WEATHER SERVICE INDICATED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM
  WAS LOCATED NEAR BOOTH...OR 10 MILES NORTHWEST OF PRATTVILLE...AND
  MOVING EAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MILLBROOK...WETUMPKA...DEATSVILLE...COOSADA...ELMORE...WEOKA
  MILLS...TEN CEDAR ESTATES...BLUE RIDGE...DEXTER AND SANTUCK.

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 3246 8620 3251 8626 3249 8627 3249 8630
      3247 8631 3249 8657 3267 8657 3272 8606
      3245 8604
TIME...MOT...LOC 2011Z 266DEG 32KT 3257 8653

$$

1 follow-up statement

545 
WWUS54 KBMX 262045
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
345 PM CDT SAT MAR 26 2011

ALC001-051-262100-
/O.CON.KBMX.TO.W.0019.000000T0000Z-110326T2100Z/
AUTAUGA AL-ELMORE AL-
345 PM CDT SAT MAR 26 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN ELMORE AND
EAST CENTRAL AUTAUGA COUNTIES UNTIL 400 PM CDT...

AT 341 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR WETUMPKA...MOVING EAST AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
  DEXTER...SANTUCK...EMERALD MOUNTAIN...CLAUD AND WARE.

THIS INCLUDES...
INTERSTATE 65 EXIT NUMBERS 181 THROUGH 186...

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

LAT...LON 3246 8619 3251 8626 3249 8627 3249 8630
      3247 8631 3249 8657 3255 8657 3256 8656
      3263 8630 3265 8606 3245 8604
TIME...MOT...LOC 2045Z 264DEG 31KT 3257 8618

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 26, 3:49 AM CDT	Special Weather Statement	BMX	Marion	41 min
Mar 26, 4:09 AM CDT	Severe Thunderstorm Warning	BMX	Marion	51 min
Mar 26, 4:48 AM CDT	Areal Flood Advisory	BMX	Marion, Winston	117 min
Mar 26, 4:57 AM CDT	Severe Thunderstorm Warning	BMX	Marion, Winston	48 min
Mar 26, 6:22 AM CDT	Special Weather Statement	BMX	Marshall	23 min
Mar 26, 7:43 AM CDT	Special Weather Statement	BMX	Marion	47 min
Mar 26, 12:38 PM CDT	Severe Thunderstorm Warning	BMX	Greene, Marengo, Sumter	52 min
Mar 26, 1:05 PM CDT	Tornado Warning	BMX	Greene, Hale, Perry	55 min
Mar 26, 1:25 PM CDT	Tornado Warning	BMX	Fayette, Walker	25 min
Mar 26, 1:36 PM CDT	Tornado Warning	BMX	Dallas, Perry	39 min
Mar 26, 1:46 PM CDT	Severe Thunderstorm Warning	BMX	Chilton, Coosa	59 min
Mar 26, 2:32 PM CDT	Severe Thunderstorm Warning	BMX	Clay, Coosa, Tallapoosa	58 min
Mar 26, 2:46 PM CDT	Severe Thunderstorm Warning	BMX	Coosa, Tallapoosa	44 min
Mar 26, 2:49 PM CDT	Severe Thunderstorm Warning	BMX	Autauga, Dallas, Elmore, Perry	41 min
Mar 26, 2:51 PM CDT	Tornado Warning	BMX	St. Clair	24 min
Mar 26, 2:59 PM CDT	Severe Thunderstorm Warning	BMX	Etowah, St. Clair	31 min
Mar 26, 3:02 PM CDT	Severe Thunderstorm Warning	BMX	Chambers, Clay, Randolph, Tallapoosa	43 min
Mar 26, 3:07 PM CDT	Tornado Warning	BMX	Chambers, Tallapoosa	53 min
Mar 26, 3:15 PM CDT	Tornado Warning	BMX	Calhoun, Etowah	30 min
Mar 26, 3:32 PM CDT	Severe Thunderstorm Warning	BMX	Barbour, Bullock, Lee, Macon, Russell	43 min
Mar 26, 3:36 PM CDT	Severe Thunderstorm Warning	BMX	Bibb, Shelby	39 min
Mar 26, 3:38 PM CDT	Tornado Warning	BMX	Calhoun, Cleburne	37 min
Mar 26, 3:40 PM CDT	Severe Thunderstorm Warning	BMX	Chambers	35 min
Mar 26, 3:53 PM CDT	Severe Thunderstorm Warning	BMX	Elmore, Macon, Montgomery, Tallapoosa	45 min
Mar 26, 4:07 PM CDT	Tornado Warning	BMX	Chilton, Shelby	38 min
Mar 26, 4:20 PM CDT	Severe Thunderstorm Warning	BMX	Macon	40 min
Mar 26, 4:39 PM CDT	Tornado Warning	BMX	Coosa, Shelby, Talladega	16 min
Mar 26, 4:51 PM CDT	Severe Thunderstorm Warning	BMX	Barbour, Russell	39 min
Mar 26, 4:54 PM CDT	Severe Thunderstorm Warning	BMX	Bullock, Lee, Macon, Russell	51 min
Mar 26, 5:27 PM CDT	Severe Thunderstorm Warning	BMX	Barbour	33 min
Mar 26, 5:42 PM CDT	Severe Thunderstorm Warning	BMX	Bullock, Macon, Russell	63 min
Mar 26, 5:54 PM CDT	Severe Thunderstorm Warning	BMX	Blount, Etowah	51 min
Mar 26, 6:21 PM CDT	Tornado Warning	BMX	Russell	24 min
Mar 26, 6:23 PM CDT	Tornado Warning	BMX	Etowah	35 min
Mar 26, 6:29 PM CDT	Severe Thunderstorm Warning	BMX	Lamar, Marion	61 min
Mar 26, 6:48 PM CDT	Tornado Warning	BMX	Fayette, Lamar, Marion	25 min
Mar 26, 6:57 PM CDT	Severe Thunderstorm Warning	BMX	Cherokee, Etowah	45 min

Nearby

Tornado Warnings in Alabama, 2011 Every tornado warning in 2011 Tornadoes 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.