Alert archive / Alabama / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 54, NWS Birmingham, AL

March 2, 2012Fayette County, Walker County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Mar 2, 2012, 8:13 PM CST for Fayette County, Walker County, Alabama. It was in force for 34 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 2, 2012, 8:13 PM CST (02:13 UTC)
Expired: Mar 2, 2012, 8:47 PM CST
In force: 34 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon

Counties Fayette County, AL, Walker County, AL

The radar

The Columbus AFB radar (KGWX), 63 km from the middle of the area, began a volume at 02:16 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 2, 8:28 PM CST	HAIL 1	2 Ssw Fowlers Crossroad, AL

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 2, 1:20 PM CST	Tornado Watch	SPC	9 hr
Mar 2, 4:37 PM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 2.2 hours before the alert went out and 103 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: 754 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 1391 m above ground
0-6 km bulk shear: 67 kt
0-1 km storm-relative helicity: 231 m²/s²
0-3 km storm-relative helicity: 315 m²/s²
Significant tornado parameter: 0.9
Supercell composite: 7.4

Open this sounding in Storm Lab

The text

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

547 
WUUS54 KBMX 030213
SVRBMX
ALC057-127-030300-
/O.NEW.KBMX.SV.W.0054.120303T0213Z-120303T0300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
813 PM CST FRI MAR 2 2012

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  FAYETTE COUNTY IN WEST CENTRAL ALABAMA...
  WESTERN WALKER COUNTY IN ALABAMA...

* UNTIL 900 PM CST

* AT 807 PM CST...THE NATIONAL WEATHER SERVICE INDICATED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING
  WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR KENNEDY...
  OR 8 MILES EAST OF MILLPORT...AND MOVING NORTHEAST AT 55 MPH.

* LOCATIONS IMPACTED INCLUDE...
  FAYETTE...CARBON HILL...BANKSTON...BERRY...BOLEY SPRINGS...
  ELDRIDGE...OAKMAN AND KANSAS.

THIS INCLUDES...
US 78 EXIT NUMBERS 46 THROUGH 52...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&


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

LAT...LON 3392 8765 3392 8764 3393 8763 3400 8756
      3373 8729 3360 8758 3361 8763 3358 8763
      3358 8767 3352 8778 3352 8794 3353 8795
      3368 8795
TIME...MOT...LOC 0213Z 233DEG 50KT 3361 8786

$$

17

3 follow-up statements

075 
WWUS54 KBMX 030225
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
825 PM CST FRI MAR 2 2012

ALC057-127-030300-
/O.CON.KBMX.SV.W.0054.000000T0000Z-120303T0300Z/
FAYETTE AL-WALKER AL-
825 PM CST FRI MAR 2 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WESTERN WALKER
AND FAYETTE COUNTIES UNTIL 900 PM CST...

AT 821 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
BANKSTON...OR 6 MILES EAST OF FAYETTE...MOVING NORTHEAST AT 65 MPH.

LOCATIONS IMPACTED INCLUDE...
  CARBON HILL...BOLEY SPRINGS...ELDRIDGE...OAKMAN...KANSAS...FOWLERS
  CROSSROADS...WEST CORONA...CORONA...TOWNLEY AND CEDRUM AREA.

THIS INCLUDES...
US 78 EXIT NUMBERS 46 THROUGH 52...

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

LAT...LON 3371 8785 3392 8765 3392 8763 3400 8756
      3373 8729 3360 8758 3361 8763 3358 8763
      3358 8767 3352 8777 3352 8778 3360 8783
      3353 8795
TIME...MOT...LOC 0225Z 231DEG 55KT 3374 8766

$$

17

454 
WWUS54 KBMX 030234
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
834 PM CST FRI MAR 2 2012

ALC057-127-030300-
/O.CON.KBMX.SV.W.0054.000000T0000Z-120303T0300Z/
FAYETTE AL-WALKER AL-
834 PM CST FRI MAR 2 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WESTERN WALKER
AND EASTERN FAYETTE COUNTIES UNTIL 900 PM CST...

AT 830 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 8 MILES
NORTH OF BANKSTON...OR 10 MILES SOUTHWEST OF CARBON HILL...MOVING
NORTHEAST AT 65 MPH.

LOCATIONS IMPACTED INCLUDE...
  CARBON HILL...ELDRIDGE...OAKMAN...KANSAS...TOWNLEY...CEDRUM AREA
  AND HOLLY GROVE.

THIS INCLUDES...
US 78 EXIT NUMBERS 46 THROUGH 52...

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

LAT...LON 3400 8756 3373 8729 3360 8758 3361 8763
      3358 8763 3358 8768 3356 8771 3376 8778
      3392 8765 3392 8763
TIME...MOT...LOC 0234Z 231DEG 55KT 3381 8757

$$

17

605 
WWUS54 KBMX 030247 RRA
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
847 PM CST FRI MAR 2 2012

ALC057-127-030257-
/O.CAN.KBMX.SV.W.0054.000000T0000Z-120303T0300Z/
FAYETTE AL-WALKER AL-
847 PM CST FRI MAR 2 2012

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN WALKER AND EASTERN
FAYETTE COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED ACROSS THE WARNED 
AREA.

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

LAT...LON 3400 8756 3373 8729 3360 8758 3361 8763
      3358 8763 3358 8768 3356 8771 3376 8778
      3392 8765 3392 8763
TIME...MOT...LOC 0247Z 231DEG 55KT 3394 8734

$$

17

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 2, 6:01 PM CST	Severe Thunderstorm Warning	BMX	Fayette, Lamar, Marion, Winston	44 min
Mar 2, 6:01 PM CST	Severe Thunderstorm Warning	BMX	Autauga, Coosa, Elmore	44 min
Mar 2, 6:05 PM CST	Severe Thunderstorm Warning	BMX	Fayette, Lamar, Walker	43 min
Mar 2, 6:11 PM CST	Severe Thunderstorm Warning	BMX	Calhoun, Cleburne	49 min
Mar 2, 6:19 PM CST	Tornado Warning	BMX	Calhoun, Cleburne	41 min
Mar 2, 6:22 PM CST	Tornado Warning	BMX	Lowndes, Montgomery	15 min
Mar 2, 6:33 PM CST	Severe Thunderstorm Warning	BMX	Blount, Etowah	42 min
Mar 2, 6:44 PM CST	Severe Thunderstorm Warning	BMX	Bibb, Jefferson, Shelby, Tuscaloosa	46 min
Mar 2, 6:44 PM CST	Severe Thunderstorm Warning	BMX	Sumter	46 min
Mar 2, 6:46 PM CST	Severe Thunderstorm Warning	BMX	Winston	29 min
Mar 2, 7:06 PM CST	Severe Thunderstorm Warning	BMX	Greene, Pickens, Sumter	39 min
Mar 2, 7:11 PM CST	Severe Thunderstorm Warning	BMX	Cherokee, Etowah	49 min
Mar 2, 7:15 PM CST	Severe Thunderstorm Warning	BMX	Jefferson, St. Clair	45 min
Mar 2, 7:21 PM CST	Severe Thunderstorm Warning	BMX	Greene, Pickens, Sumter	39 min
Mar 2, 7:36 PM CST	Severe Thunderstorm Warning	BMX	Fayette, Lamar, Pickens	39 min
Mar 2, 7:49 PM CST	Severe Thunderstorm Warning	BMX	Jefferson, Tuscaloosa, Walker	41 min
Mar 2, 7:51 PM CST	Severe Thunderstorm Warning	BMX	Marion, Walker, Winston	39 min
Mar 2, 7:59 PM CST	Severe Thunderstorm Warning	BMX	Fayette, Tuscaloosa, Walker	46 min
Mar 2, 8:17 PM CST	Severe Thunderstorm Warning	BMX	Fayette, Lamar	28 min
Mar 2, 8:38 PM CST	Areal Flood Advisory	BMX	Greene, Hale, Marengo, Sumter	112 min
Mar 2, 8:38 PM CST	Tornado Warning	BMX	Dallas, Hale, Marengo, Perry	52 min
Mar 2, 8:56 PM CST	Severe Thunderstorm Warning	BMX	Marion	49 min
Mar 2, 9:13 PM CST	Tornado Warning	BMX	Autauga, Chilton, Dallas, Perry	47 min
Mar 2, 9:16 PM CST	Areal Flood Advisory	BMX	Walker, Winston	119 min
Mar 2, 9:45 PM CST	Tornado Warning	BMX	Autauga, Chilton	29 min
Mar 2, 9:47 PM CST	Areal Flood Advisory	BMX	Blount	3 hr
Mar 2, 10:00 PM CST	Severe Thunderstorm Warning	BMX	Clay, Cleburne, Randolph, Talladega	45 min
Mar 2, 10:08 PM CST	Tornado Warning	BMX	Clay, Cleburne, Randolph, Talladega	24 min
Mar 2, 10:11 PM CST	Tornado Warning	BMX	Coosa	31 min
Mar 2, 10:22 PM CST	Severe Thunderstorm Warning	BMX	Jefferson	38 min
Mar 2, 10:32 PM CST	Areal Flood Advisory	BMX	Talladega	118 min
Mar 2, 10:34 PM CST	Tornado Warning	BMX	Tallapoosa	41 min
Mar 2, 10:37 PM CST	Areal Flood Advisory	BMX	Jefferson	3 hr
Mar 2, 10:45 PM CST	Severe Thunderstorm Warning	BMX	Cherokee, Etowah	45 min
Mar 2, 10:46 PM CST	Areal Flood Advisory	BMX	Blount, Etowah, St. Clair	3 hr
Mar 2, 10:52 PM CST	Severe Thunderstorm Warning	BMX	Jefferson, St. Clair, Shelby	23 min
Mar 2, 11:00 PM CST	Tornado Warning	BMX	Chambers	45 min
Mar 2, 11:05 PM CST	Areal Flood Advisory	BMX	Dallas, Greene, Hale, Marengo, Sumter	3 hr
Mar 2, 11:15 PM CST	Areal Flood Advisory	BMX	Bibb, St. Clair, Shelby, Talladega	3 hr
Mar 2, 11:47 PM CST	Severe Thunderstorm Warning	BMX	Calhoun, Cleburne	15 min
Mar 3, 12:25 AM CST	Areal Flood Advisory	BMX	Chilton, Clay, Coosa, Perry, Talladega, Tallapoosa	3 hr
Mar 3, 4:12 AM CST	Areal Flood Advisory	BMX	Bibb, Chilton, Dallas, Greene, Hale, Marengo and 2 more	3 hr
Mar 3, 4:27 AM CST	Areal Flood Advisory	BMX	Clay, Coosa, St. Clair, Shelby, Talladega, Tallapoosa	3 hr
Mar 3, 4:33 AM CST	Areal Flood Advisory	BMX	Calhoun, Chambers, Cleburne, Randolph, St. Clair	3 hr
Mar 3, 5:15 AM CST	Special Weather Statement	BMX	Russell	45 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2012 Every severe thunderstorm warning in 2012

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.