Alert archive / Alabama / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 63, NWS Birmingham, AL

March 8, 2012Fayette County, Lamar County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Mar 8, 2012, 7:23 PM CST for Fayette County, Lamar County, Alabama. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Mar 8, 2012, 7:23 PM CST (01:23 UTC)
Expired: Mar 8, 2012, 7:52 PM CST
In force: 29 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon

Counties Fayette County, AL, Lamar County, AL

The radar

The Columbus AFB radar (KGWX), 55 km from the middle of the area, began a volume at 01:25 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.

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 1.4 hours before the alert went out and 109 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: 264 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 1136 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 105 m²/s²
0-3 km storm-relative helicity: 213 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

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

208 
WUUS54 KBMX 090123
SVRBMX
ALC057-075-090215-
/O.NEW.KBMX.SV.W.0063.120309T0123Z-120309T0215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
723 PM CST THU MAR 8 2012

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL FAYETTE COUNTY IN WEST CENTRAL ALABAMA...
  EAST CENTRAL LAMAR COUNTY IN WEST CENTRAL ALABAMA...

* UNTIL 815 PM CST

* AT 720 PM CST...THE NATIONAL WEATHER SERVICE INDICATED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60
  MPH.  THIS STORM WAS LOCATED NEAR VERNON...AND MOVING EAST AT 40
  MPH.

* LOCATIONS IMPACTED INCLUDE...
  FAYETTE...BLOOMING GROVE...BANKSTON...BERRY...CODY AND RICHARD
  ARTHUR FIELD.

WINDS OF 60 TO 70 MPH WILL BREAK LARGE TREE LIMBS AND CAUSE SOME
DAMAGE...ESPECIALLY TO SMALLER STRUCTURES.

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 3382 8809 3378 8753 3375 8753 3361 8757
      3361 8763 3358 8764 3371 8810
TIME...MOT...LOC 0123Z 284DEG 33KT 3377 8802

$$

GRANTHAM

3 follow-up statements

801 
WWUS54 KBMX 090136
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
736 PM CST THU MAR 8 2012

ALC057-075-090215-
/O.CON.KBMX.SV.W.0063.000000T0000Z-120309T0215Z/
FAYETTE AL-LAMAR AL-
736 PM CST THU MAR 8 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EAST CENTRAL
LAMAR AND CENTRAL FAYETTE COUNTIES UNTIL 815 PM CST...

AT 734 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH.  THIS STORM WAS LOCATED 5 MILES SOUTHEAST OF BLOOMING
GROVE...OR 6 MILES NORTHWEST OF FAYETTE...MOVING EAST AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
  FAYETTE...BANKSTON...BERRY AND RICHARD ARTHUR FIELD.

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

LAT...LON 3381 8799 3378 8753 3375 8753 3361 8757
      3361 8763 3358 8764 3369 8804
TIME...MOT...LOC 0136Z 287DEG 30KT 3373 8791

$$

GRANTHAM

977 
WWUS54 KBMX 090141
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
741 PM CST THU MAR 8 2012

ALC075-090151-
/O.CAN.KBMX.SV.W.0063.000000T0000Z-120309T0215Z/
LAMAR AL-
741 PM CST THU MAR 8 2012

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL LAMAR COUNTY IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

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

LAT...LON 3378 8753 3375 8753 3361 8757 3361 8763
      3358 8764 3367 8795 3380 8795 3381 8794
TIME...MOT...LOC 0141Z 287DEG 30KT 3372 8786

$$

ALC057-090215-
/O.CON.KBMX.SV.W.0063.000000T0000Z-120309T0215Z/
FAYETTE AL-
741 PM CST THU MAR 8 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL
FAYETTE COUNTY UNTIL 815 PM CST...

AT 739 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH.  THIS STORM WAS LOCATED NEAR FAYETTE...MOVING EAST AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
  FAYETTE...BANKSTON...BERRY AND RICHARD ARTHUR FIELD.

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

LAT...LON 3378 8753 3375 8753 3361 8757 3361 8763
      3358 8764 3367 8795 3380 8795 3381 8794
TIME...MOT...LOC 0141Z 287DEG 30KT 3372 8786

$$

GRANTHAM

278 
WWUS54 KBMX 090152
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
752 PM CST THU MAR 8 2012

ALC057-090202-
/O.CAN.KBMX.SV.W.0063.000000T0000Z-120309T0215Z/
FAYETTE AL-
752 PM CST THU MAR 8 2012

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL FAYETTE COUNTY IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.

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

LAT...LON 3378 8753 3375 8753 3361 8757 3361 8763
      3358 8764 3367 8795 3380 8795 3381 8794
TIME...MOT...LOC 0152Z 287DEG 30KT 3369 8776

$$

GRANTHAM

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 8, 6:08 PM CST	Special Weather Statement	BMX	Marion, Winston	52 min
Mar 8, 6:44 PM CST	Special Weather Statement	BMX	Fayette, Lamar	46 min
Mar 8, 6:49 PM CST	Severe Thunderstorm Warning	BMX	Lamar	41 min
Mar 8, 7:45 PM CST	Flash Flood Warning	BMX	Lamar	3 hr
Mar 9, 9:50 AM CST	River Flood Warning	BMX	Greene, Hale, Marengo, Pickens, Sumter	20 hr

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.