Alert archive / Alabama / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 45, NWS Birmingham, AL

March 26, 2011Clay County, Coosa County, Tallapoosa County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Mar 26, 2011, 2:32 PM CDT for Clay County, Coosa County, Tallapoosa County, Alabama. It was in force for 58 min. 1 report 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, 2:32 PM CDT (19:32 UTC)
Expired: Mar 26, 2011, 3:30 PM CDT
In force: 58 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon

Counties Clay County, AL, Coosa County, AL, Tallapoosa County, AL

What was reported inside it

Time	Report	Where	Remark
Mar 26, 2:50 PM CDT	HAIL 1	Hackneyville, AL	AT LEAST QUARTER SIZE HAIL FELL IN THE HACKNEYVILLE AREA AND COVERED THE GROUND IN SPOTS.

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, 7.5 hours before the alert went out and 68 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.

708 
WUUS54 KBMX 261932
SVRBMX
ALC027-037-123-262030-
/O.NEW.KBMX.SV.W.0045.110326T1932Z-110326T2030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
232 PM CDT SAT MAR 26 2011

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN CLAY COUNTY IN EAST CENTRAL ALABAMA...
  NORTHERN COOSA COUNTY IN EAST CENTRAL ALABAMA...
  NORTHERN TALLAPOOSA COUNTY IN EAST CENTRAL ALABAMA...

* UNTIL 330 PM CDT

* AT 226 PM CDT...THE NATIONAL WEATHER SERVICE INDICATED TWO
  SEPARATE SEVERE THUNDERSTORMS CAPABLE OF PRODUCING GOLF BALL SIZE 
  HAIL.   THESE STORMS WERE LOCATED NEAR PARKDALE AND STRICKLAND   
  CROSSROADS...AND MOVING EAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  WEOGUFKA...ASHLAND...GOODWATER...KELLYTON...LINEVILLE...
  BENTLEYVILLE...HANOVER AND HATCHET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF
YOUR HOME OR BUSINESS.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CDT SATURDAY EVENING
FOR SOUTHERN ALABAMA.

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

LAT...LON 3297 8564 3293 8641 3311 8639 3311 8637
      3311 8618 3316 8611 3335 8568
TIME...MOT...LOC 1930Z 265DEG 34KT 3310 8608 3305 8632

$$

1 follow-up statement

090 
WWUS54 KBMX 262014
SVSBMX

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

ALC037-262024-
/O.CAN.KBMX.SV.W.0045.000000T0000Z-110326T2030Z/
COOSA AL-
314 PM CDT SAT MAR 26 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN COOSA 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 3297 8584 3327 8584 3335 8568 3297 8564
TIME...MOT...LOC 2014Z 265DEG 34KT 3314 8559 3309 8583

$$

ALC027-123-262030-
/O.CON.KBMX.SV.W.0045.000000T0000Z-110326T2030Z/
TALLAPOOSA AL-CLAY AL-
314 PM CDT SAT MAR 26 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
CLAY AND NORTH CENTRAL TALLAPOOSA COUNTIES UNTIL 330 PM CDT...

AT 312 PM CDT...A ***YOU FORGOT TO SELECT A DEFAULT OPTION***  GOLF
BALL SIZE HAIL.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM WADLEY TO GOLDVILLE...MOVING EAST AT 40 MPH.

LOCATIONS IMPACTED INCLUDE...
  GOLDVILLE...NEW SITE...MOTLEY...HORSESHOE BEND NATIONAL MILITARY
  PARK AND HORSESHOE BEND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

&&

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

LAT...LON 3297 8584 3327 8584 3335 8568 3297 8564
TIME...MOT...LOC 2014Z 265DEG 34KT 3314 8559 3309 8583

$$

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, 2:46 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, 3:11 PM CDT	Tornado Warning	BMX	Autauga, Elmore	49 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

Severe Thunderstorm Warnings in Alabama, 2011 Every severe thunderstorm warning 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.