Alert archive / Alabama / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 49, NWS Birmingham, AL

March 26, 20114 counties in Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Mar 26, 2011, 3:02 PM CDT for 4 counties in Alabama. It was in force for 43 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, 3:02 PM CDT (20:02 UTC)
Expired: Mar 26, 2011, 3:45 PM CDT
In force: 43 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon

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

What was reported inside it

Time	Report	Where	Remark
Mar 26, 3:40 PM CDT	HAIL 1	1 Ssw Lafayette, AL	QUARTER SIZED HAIL REPORTED AT A GROCERY STORE IN LAFAYETTE.

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

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 8.0 hours before the alert went out and 88 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 736 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: 23 m²/s²
0-3 km storm-relative helicity: 154 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

808 
WUUS54 KBMX 262002
SVRBMX
ALC017-027-111-123-262045-
/O.NEW.KBMX.SV.W.0049.110326T2002Z-110326T2045Z/

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

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CHAMBERS COUNTY IN EAST CENTRAL ALABAMA...
  SOUTHEASTERN CLAY COUNTY IN EAST CENTRAL ALABAMA...
  SOUTHERN RANDOLPH COUNTY IN EAST CENTRAL ALABAMA...
  NORTHEASTERN TALLAPOOSA COUNTY IN EAST CENTRAL ALABAMA...

* UNTIL 345 PM CDT

* AT 258 PM CDT...THE NATIONAL WEATHER SERVICE INDICATED SEVERAL
  SEVERE THUNDERSTORMS CAPABLE OF PRODUCING PING PONG BALL SIZE 
  HAIL.   THESE STORMS WERE LOCATED FROM 6 MILES NORTHEAST OF
  GOLDVILLE TO 5 MILES NORTHEAST OF DADEVILLE...AND MOVING EAST AT   
  40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  WEDOWEE...LAFAYETTE...ROANOKE...STROUD...LANETT...VALLEY...
  SPARKLING SPRINGS AND RIDGE GROVE.

THIS INCLUDES...
INTERSTATE 85 EXIT NUMBERS 77 THROUGH 79...

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 3275 8513 3275 8563 3333 8569 3338 8528
      3290 8518 3281 8515 3279 8512
TIME...MOT...LOC 2000Z 266DEG 34KT 3316 8570 3290 8569

$$

1 follow-up statement

481 
WWUS54 KBMX 262035
SVSBMX

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

ALC027-262045-
/O.CAN.KBMX.SV.W.0049.000000T0000Z-110326T2045Z/
CLAY AL-
335 PM CDT SAT MAR 26 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CLAY 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 3275 8513 3275 8563 3300 8564 3321 8525
      3290 8518 3281 8515 3279 8512
TIME...MOT...LOC 2035Z 266DEG 34KT 3313 8531 3289 8542

$$

ALC017-111-123-262045-
/O.CON.KBMX.SV.W.0049.000000T0000Z-110326T2045Z/
TALLAPOOSA AL-CHAMBERS AL-RANDOLPH AL-
335 PM CDT SAT MAR 26 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
RANDOLPH...CHAMBERS AND EAST CENTRAL TALLAPOOSA COUNTIES UNTIL 345 PM
CDT...

AT 332 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING PING PONG BALL SIZE
HAIL.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM ROANOKE
TO LAFAYETTE...MOVING EAST AT 40 MPH.

LOCATIONS IMPACTED INCLUDE...
  LANETT...VALLEY...POST OAK FORKS...CHAMBERS COUNTY LAKE...
  FREDONIA...KELLAM HILL...DENSON...CUSSETA...VEASEY CREEK PARK AND
  AMITY PARK.

THIS INCLUDES...
INTERSTATE 85 EXIT NUMBERS 77 THROUGH 79...

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 3275 8513 3275 8563 3300 8564 3321 8525
      3290 8518 3281 8515 3279 8512
TIME...MOT...LOC 2035Z 266DEG 34KT 3313 8531 3289 8542

$$

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, 3:07 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.