Alert archive / Alabama / Tornado Warnings in 2011

Tornado Warning 27, NWS Birmingham, AL

March 26, 2011Walker County, Alabama

NWS Birmingham, AL issued this tornado warning at Mar 26, 2011, 7:39 PM CDT for Walker County, Alabama. It was in force for 36 min. 5 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, 7:39 PM CDT (00:39 UTC)
Expired: Mar 26, 2011, 8:15 PM CDT
In force: 36 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon

County Walker County, AL

The radar

The Columbus AFB radar (KGWX), 85 km from the middle of the area, began a volume at 00:40 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

Time	Report	Where	Remark
Mar 26, 7:45 PM CDT	HAIL 1	Eldridge, AL	ONE INCH HAIL COVERING THE GROUND IN ELDRIDGE.
Mar 26, 7:52 PM CDT	HAIL 1.75	3 S Lupton, AL	GOLF BALL SIZE HAIL IN SARAGOSA.
Mar 26, 7:56 PM CDT	HAIL 0.5	Jasper, AL	DIME SIZE HAIL.
Mar 26, 8:13 PM CDT	HAIL 1.5	Jasper, AL	PING PONG BALL SIZE IN JASPER.
Mar 26, 8:15 PM CDT	HAIL 0.88	Jasper, AL	NICKEL 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 00:00Z, 0.7 hours before the alert went out and 98 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: 1774 J/kg
Mixed-layer CIN: -17 J/kg
Mixed-layer LCL: 1230 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 274 m²/s²
0-3 km storm-relative helicity: 373 m²/s²
Significant tornado parameter: 2.7
Supercell composite: 16.5

Open this sounding in Storm Lab

The text

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

065 
WFUS54 KBMX 270039
TORBMX
ALC127-270115-
/O.NEW.KBMX.TO.W.0027.110327T0039Z-110327T0115Z/

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

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN WALKER COUNTY IN CENTRAL ALABAMA...

* UNTIL 815 PM CDT

* AT 735 PM CDT...EMA DIRECTLY UNDERNEATH THE STORM REPORTED A 
FUNNEL CLOUD   NEAR ELDRIDGE...OR 6 MILES NORTHWEST OF CARBON HILL. 
A TORNADO MAY   DEVELOP AT ANY TIME. DOPPLER RADAR SHOWED THIS 
DANGEROUS STORM   MOVING EAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CARBON HILL...JASPER...KANSAS...NAUVOO...CURRY...CEDRUM AREA...
  TOWNLEY...HOLLY GROVE...LUPTON AND GAMBLE.

THIS INCLUDES...
US 78 EXIT NUMBERS 39 THROUGH 65...

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 3396 8715 3371 8722 3383 8753 3387 8753
      3387 8764 3400 8764
TIME...MOT...LOC 0039Z 278DEG 31KT 3394 8757

$$

17/KLAWS

1 follow-up statement

657 
WWUS54 KBMX 270049
SVSBMX

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

ALC127-270115-
/O.CON.KBMX.TO.W.0027.000000T0000Z-110327T0115Z/
WALKER AL-
749 PM CDT SAT MAR 26 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL WALKER COUNTY
UNTIL 815 PM CDT...

AT 744 PM CDT...EMA REPORTED A FUNNEL CLOUD.  A
TORNADO MAY DEVELOP AT ANY TIME. THIS DANGEROUS STORM WAS LOCATED
NEAR CARBON HILL...MOVING EAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  JASPER...CEDRUM AREA...TOWNLEY...HOLLY GROVE...GAMBLE...WALKER
  COUNTY AIRPORT AND MANCHESTER.

THIS INCLUDES...
US 78 EXIT NUMBERS 46 THROUGH 65...

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

LAT...LON 3387 8757 3394 8751 3392 8716 3371 8722
      3383 8753 3387 8753
TIME...MOT...LOC 0049Z 290DEG 38KT 3388 8746

$$

17/KLAWS

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 26, 7:12 PM CDT	Severe Thunderstorm Warning	BMX	Calhoun, Cleburne	37 min
Mar 26, 7:19 PM CDT	Severe Thunderstorm Warning	BMX	Fayette, Walker	41 min
Mar 26, 7:32 PM CDT	Severe Thunderstorm Warning	BMX	Walker, Winston	28 min
Mar 26, 8:05 PM CDT	Tornado Warning	BMX	Jefferson, Walker	55 min
Mar 26, 8:21 PM CDT	Severe Thunderstorm Warning	BMX	Cherokee	24 min
Mar 26, 8:28 PM CDT	Severe Thunderstorm Warning	BMX	Marion, Winston	62 min
Mar 26, 8:30 PM CDT	Severe Thunderstorm Warning	BMX	Cherokee, Etowah	60 min
Mar 26, 8:58 PM CDT	Severe Thunderstorm Warning	BMX	Blount, Calhoun, Jefferson, St. Clair, Talladega	25 min
Mar 26, 9:13 PM CDT	Severe Thunderstorm Warning	BMX	Calhoun, Cherokee, Cleburne, Etowah	47 min
Mar 26, 9:16 PM CDT	Severe Thunderstorm Warning	BMX	Marion, Winston	59 min
Mar 26, 9:44 PM CDT	Severe Thunderstorm Warning	BMX	Fayette, Marion, Walker, Winston	46 min
Mar 26, 10:12 PM CDT	Severe Thunderstorm Warning	BMX	Calhoun, Clay, Cleburne, Randolph, Talladega	48 min
Mar 26, 10:16 PM CDT	Areal Flood Advisory	BMX	Calhoun, Cleburne, Jefferson, St. Clair, Shelby, Talladega	3 hr
Mar 26, 10:27 PM CDT	Severe Thunderstorm Warning	BMX	Blount, Jefferson, Walker	63 min
Mar 26, 10:27 PM CDT	Tornado Warning	BMX	Clay, St. Clair, Talladega	15 min
Mar 26, 10:30 PM CDT	Severe Thunderstorm Warning	BMX	Clay, Jefferson, St. Clair, Shelby, Talladega	45 min
Mar 26, 10:34 PM CDT	Severe Thunderstorm Warning	BMX	Fayette, Lamar, Tuscaloosa	56 min
Mar 26, 10:45 PM CDT	Severe Thunderstorm Warning	BMX	Clay, Cleburne, Randolph, St. Clair, Talladega	45 min
Mar 26, 11:09 PM CDT	Severe Thunderstorm Warning	BMX	Clay, Talladega	36 min
Mar 26, 11:19 PM CDT	Severe Thunderstorm Warning	BMX	Clay, Randolph	41 min
Mar 26, 11:28 PM CDT	Severe Thunderstorm Warning	BMX	Jefferson, Tuscaloosa, Walker	16 min
Mar 27, 12:32 AM CDT	Severe Thunderstorm Warning	BMX	Randolph	15 min
Mar 27, 12:46 AM CDT	Special Weather Statement	BMX	Clay	44 min
Mar 27, 12:53 AM CDT	Special Weather Statement	BMX	Chambers, Randolph	67 min
Mar 27, 1:06 AM CDT	Tornado Warning	BMX	Chambers	17 min
Mar 27, 1:08 AM CDT	Tornado Warning	BMX	Chambers, Clay, Randolph, Tallapoosa	52 min
Mar 27, 1:12 AM CDT	Tornado Warning	BMX	Chambers, Tallapoosa	48 min
Mar 27, 1:52 AM CDT	Tornado Warning	BMX	Chambers	22 min
Mar 27, 1:53 AM CDT	Tornado Warning	BMX	Chambers, Tallapoosa	13 min
Mar 27, 2:24 AM CDT	Special Weather Statement	BMX	Winston	51 min
Mar 27, 4:00 AM CDT	Special Weather Statement	BMX	Cherokee	45 min
Mar 27, 4:41 AM CDT	Special Weather Statement	BMX	Cherokee, Etowah	49 min
Mar 27, 6:16 AM CDT	Special Weather Statement	BMX	Greene	44 min
Mar 27, 6:26 AM CDT	Severe Thunderstorm Warning	BMX	Greene, Hale, Tuscaloosa	49 min
Mar 27, 7:01 AM CDT	Severe Thunderstorm Warning	BMX	Bibb, Hale, Tuscaloosa	44 min
Mar 27, 7:11 AM CDT	Severe Thunderstorm Warning	BMX	Greene, Sumter	49 min
Mar 27, 7:42 AM CDT	Severe Thunderstorm Warning	BMX	Bibb, Chilton, Coosa	48 min
Mar 27, 7:55 AM CDT	Special Weather Statement	BMX	Greene, Hale	50 min
Mar 27, 7:58 AM CDT	Special Weather Statement	BMX	Shelby	47 min
Mar 27, 8:32 AM CDT	Special Weather Statement	BMX	Coosa	43 min
Mar 27, 9:45 AM CDT	Special Weather Statement	BMX	Chilton	45 min
Mar 27, 10:02 AM CDT	Severe Thunderstorm Warning	BMX	Autauga, Chilton, Coosa, Elmore	28 min
Mar 27, 10:27 AM CDT	Special Weather Statement	BMX	Coosa	33 min
Mar 27, 10:40 AM CDT	Special Weather Statement	BMX	Chilton	50 min
Mar 27, 11:02 AM CDT	Special Weather Statement	BMX	Tallapoosa	43 min
Mar 27, 11:37 AM CDT	Special Weather Statement	BMX	Chambers	23 min
Mar 27, 11:41 AM CDT	Special Weather Statement	BMX	Elmore	49 min
Mar 27, 12:05 PM CDT	Special Weather Statement	BMX	Russell	40 min
Mar 27, 12:12 PM CDT	Severe Thunderstorm Warning	BMX	Russell	48 min
Mar 27, 1:29 PM CDT	Severe Thunderstorm Warning	BMX	Barbour	31 min
Mar 27, 6:13 PM CDT	Special Weather Statement	BMX	Barbour	47 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; radar from the NEXRAD Level II archive.