Alert archive / Alabama / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 9, NWS Birmingham, AL

February 24, 2011Fayette County, Lamar County, Marion County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Feb 24, 2011, 9:35 PM CST for Fayette County, Lamar County, Marion County, Alabama. It was in force for 40 min. 7 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: Feb 24, 2011, 9:35 PM CST (03:35 UTC)
Expired: Feb 24, 2011, 10:15 PM CST
In force: 40 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon

Counties Fayette County, AL, Lamar County, AL, Marion County, AL

The radar

The Columbus AFB radar (KGWX), 38 km from the middle of the area, began a volume at 03:35 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
Feb 24, 10:08 PM CST	TSTM WND DMG	4 Se Shotsville, AL	ROOF DAMAGE TO TWO HOMES OFF CR 19
Feb 24, 10:15 PM CST	TSTM WND DMG	Hamilton, AL	POWERLINES DOWN ALONG MILITARY STREET
Feb 24, 10:18 PM CST	TORNADO 0	2 Wnw Hackleburg, AL	A TORNADO TOUCHED DOWN BRIEFLY JUST TO THE NORTHWEST OF THE TOWN OF HACKLEBURG. TRAVELING ON THE GROUND FOR ONLY 1/2 MILE, THE TORNADO DID CONSIDERABLE DAMAGE TO A NUMBER OF CHICKEN BARNS AND OUTBUILDINGS IN THE AREA, EXTENSIVELY LIFTING TIN ROOFS AND OVERHANG
Feb 24, 10:20 PM CST	TSTM WND DMG	1 Wnw Hackleburg, AL	TWO LARGE TREES DOWN ALONG OLD HACKLEBURG RD.
Feb 24, 10:20 PM CST	TSTM WND DMG	2 S Hackleburg, AL	REPORTS OF STRUCTURAL DAMAGE ALONG AL HWY 253 SOUTH OF HACKLEBURG. EXTENT OF DAMAGE UNKNOWN AT THIS TIME...POSSIBLE TORNADO.
Feb 24, 10:20 PM CST	TSTM WND DMG	Hackleburg, AL	DAMAGE TO CHICKEN HOUSES. TV TOWERS TWISTED AND BLOWN DOWN. POSSIBLE TORNADO.
Feb 24, 10:24 PM CST	TSTM WND DMG	3 Sse Phil Campbell, AL	TREES AND POWER LINES KNOCKED DOWN ALONG HIGHWAY 13 NEAR THE MARION COUNTY LINE.

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
Feb 24, 8:30 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 3.6 hours before the alert went out and 147 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: 52 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 1096 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 162 m²/s²
0-3 km storm-relative helicity: 199 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.

904 
WUUS54 KBMX 250335
SVRBMX
ALC057-075-093-250415-
/O.NEW.KBMX.SV.W.0009.110225T0335Z-110225T0415Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
935 PM CST THU FEB 24 2011

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN FAYETTE COUNTY IN WEST CENTRAL ALABAMA...
  LAMAR COUNTY IN WEST CENTRAL ALABAMA...
  MARION COUNTY IN NORTHWEST ALABAMA...

* UNTIL 1015 PM CST

* AT 934 PM CST...THE NATIONAL WEATHER SERVICE INDICATED A LINE OF
  SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM
  10 MILES NORTHWEST OF SANDY SPRINGS TO 24 MILES SOUTHWEST OF
  ABERDEEN...AND MOVING EAST AT 60 MPH.

* LOCATIONS IMPACTED INCLUDE...
  SULLIGENT...HAMILTON...VERNON...WINFIELD...MILLPORT...DETROIT...
  WESTON AND BEDFORD.

THIS INCLUDES...
US 78 EXIT NUMBERS 3 THROUGH 30...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

THESE STORMS HAVE A HISTORY OF PRODUCING DESTRUCTIVE WINDS. SEEK 
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CST FRIDAY MORNING FOR
NORTHERN ALABAMA.

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

LAT...LON 3432 8817 3432 8765 3432 8764 3355 8791
      3354 8828
TIME...MOT...LOC 0334Z 265DEG 54KT 3455 8843 3368 8885

$$

27

2 follow-up statements

035 
WWUS54 KBMX 250350
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
950 PM CST THU FEB 24 2011

ALC057-075-093-250415-
/O.CON.KBMX.SV.W.0009.000000T0000Z-110225T0415Z/
FAYETTE AL-LAMAR AL-MARION AL-
950 PM CST THU FEB 24 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR MARION...LAMAR
AND WESTERN FAYETTE COUNTIES UNTIL 1015 PM CST...

AT 949 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM BELMONT TO 9 MILES NORTHWEST OF COLUMBUS AFB...MOVING EAST AT 60
MPH.

LOCATIONS IMPACTED INCLUDE...
  SULLIGENT...HAMILTON...VERNON...WINFIELD...MILLPORT...DETROIT...
  WESTON...BEDFORD...LAMAR COUNTY AIRPORT AND CREWS.

THIS INCLUDES...
US 78 EXIT NUMBERS 3 THROUGH 30...

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.

THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS. SEEK 
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

&&

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

LAT...LON 3432 8817 3432 8765 3432 8764 3355 8791
      3354 8828
TIME...MOT...LOC 0350Z 265DEG 54KT 3456 8814 3370 8856

$$

27

604 
WWUS54 KBMX 250407
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1007 PM CST THU FEB 24 2011

ALC057-075-093-250415-
/O.CON.KBMX.SV.W.0009.000000T0000Z-110225T0415Z/
FAYETTE AL-LAMAR AL-MARION AL-
1007 PM CST THU FEB 24 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR MARION...LAMAR
AND WESTERN FAYETTE COUNTIES UNTIL 1015 PM CST...

AT 1002 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM 12 MILES WEST OF RUSSELLVILLE TO CALEDONIA...MOVING EAST AT 60
MPH.

LOCATIONS IMPACTED INCLUDE...
  SULLIGENT...HAMILTON...VERNON...WINFIELD...MILLPORT...LAMAR COUNTY
  AIRPORT...CREWS...BEAVERTON...HACKLEBURG AND GUIN.

THIS INCLUDES...
US 78 EXIT NUMBERS 3 THROUGH 30...

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.

THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS. SEEK 
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

&&

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

LAT...LON 3432 8817 3432 8765 3432 8764 3355 8791
      3354 8828
TIME...MOT...LOC 0407Z 265DEG 54KT 3458 8783 3372 8826

$$

27

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 24, 9:57 PM CST	Tornado Warning	BMX	Marion	33 min
Feb 24, 10:04 PM CST	Severe Thunderstorm Warning	BMX	Greene, Pickens	41 min
Feb 24, 10:10 PM CST	Severe Thunderstorm Warning	BMX	Fayette, Lamar, Marion, Walker, Winston	50 min
Feb 24, 10:30 PM CST	Tornado Warning	BMX	Fayette, Walker	45 min
Feb 24, 10:41 PM CST	Severe Thunderstorm Warning	BMX	Fayette, Greene, Jefferson, Lamar, Pickens, Tuscaloosa and 1 more	49 min
Feb 24, 10:44 PM CST	Severe Thunderstorm Warning	BMX	Fayette, Walker, Winston	46 min
Feb 24, 11:16 PM CST	Tornado Warning	BMX	Blount, Walker	44 min
Feb 24, 11:21 PM CST	Tornado Warning	BMX	Blount, Jefferson, Walker	39 min
Feb 24, 11:24 PM CST	Severe Thunderstorm Warning	BMX	Bibb, Greene, Hale, Jefferson, St. Clair, Shelby and 3 more	66 min
Feb 24, 11:25 PM CST	Severe Thunderstorm Warning	BMX	Blount, Etowah, Jefferson, St. Clair, Walker	50 min
Feb 24, 11:26 PM CST	Severe Thunderstorm Warning	BMX	Blount, Etowah, Jefferson, St. Clair	49 min
Feb 24, 11:38 PM CST	Severe Thunderstorm Warning	BMX	Dallas, Greene, Hale, Marengo, Perry, Sumter	67 min
Feb 25, 12:09 AM CST	Severe Thunderstorm Warning	BMX	Calhoun, Cherokee, Cleburne, Etowah, St. Clair	57 min
Feb 25, 12:12 AM CST	Severe Thunderstorm Warning	BMX	Bibb, Chilton, Clay, Coosa, Shelby, Talladega	63 min
Feb 25, 12:29 AM CST	Tornado Warning	BMX	Cherokee, Etowah	46 min
Feb 25, 1:17 AM CST	Severe Thunderstorm Warning	BMX	Calhoun, Clay, Cleburne, Randolph, Talladega	43 min
Feb 25, 2:06 AM CST	Special Weather Statement	BMX	Bullock, Chambers, Elmore, Lee, Lowndes, Macon and 3 more	39 min
Feb 25, 2:45 AM CST	Special Weather Statement	BMX	Barbour, Bullock, Lee, Macon, Russell	45 min
Feb 25, 3:35 AM CST	Special Weather Statement	BMX	Barbour, Pike, Russell	40 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; radar from the NEXRAD Level II archive.