Alert archive / Alabama / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 281, NWS Birmingham, AL

September 3, 2012Lowndes County, Montgomery County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Sep 3, 2012, 5:50 PM CDT for Lowndes County, Montgomery County, Alabama. It was in force for 55 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: Sep 3, 2012, 5:50 PM CDT (22:50 UTC)
Expired: Sep 3, 2012, 6:45 PM CDT
In force: 55 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon

Counties Lowndes County, AL, Montgomery County, AL

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Sep 3, 3:46 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 10.8 hours before the alert went out and 113 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: 215 J/kg
Mixed-layer CIN: -149 J/kg
Mixed-layer LCL: 1125 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 60 m²/s²
0-3 km storm-relative helicity: 93 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.

126 
WUUS54 KBMX 032250
SVRBMX
ALC085-101-032345-
/O.NEW.KBMX.SV.W.0281.120903T2250Z-120903T2345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
550 PM CDT MON SEP 3 2012

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LOWNDES COUNTY IN SOUTH CENTRAL ALABAMA...
  MONTGOMERY COUNTY IN SOUTH CENTRAL ALABAMA...

* UNTIL 645 PM CDT

* AT 546 PM CDT...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
  WOODCREST TO HAYNEVILLE TO 7 MILES EAST OF BELKNAP...AND MOVING
  SOUTHEAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MONTGOMERY...HAYNEVILLE...MOSSES...FORT DEPOSIT...MEADVILLE...HOPE
  HULL...HYUNDAI MOTORS OF ALABAMA AND GORDONVILLE.

THIS INCLUDES...
INTERSTATE 65 EXIT NUMBERS 142 THROUGH 176...
INTERSTATE 85 EXIT NUMBERS 1 THROUGH 4...

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.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT MONDAY EVENING
FOR SOUTHERN ALABAMA.

TO REPORT SEVERE WEATHER...
CALL 1-800-856-0758 OR TWEET YOUR REPORT USING HASHTAG ALWX

LAT...LON 3214 8691 3222 8691 3223 8681 3227 8686
      3229 8685 3236 8655 3234 8653 3234 8650
      3239 8646 3241 8636 3225 8600 3197 8600
      3196 8630 3204 8631 3205 8639 3196 8641
      3196 8665
TIME...MOT...LOC 2251Z 310DEG 25KT 3230 8636 3220 8655
          3218 8686

$$

GRANTHAM

3 follow-up statements

874 
WWUS54 KBMX 032305
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
605 PM CDT MON SEP 3 2012

ALC085-101-032345-
/O.CON.KBMX.SV.W.0281.000000T0000Z-120903T2345Z/
LOWNDES AL-MONTGOMERY AL-
605 PM CDT MON SEP 3 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR MONTGOMERY AND
LOWNDES COUNTIES UNTIL 645 PM CDT...

AT 604 PM CDT...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 SNOWDOUN TO 6 MILES WEST OF PINTLALA TO GORDONVILLE...MOVING
SOUTHEAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  FORT DEPOSIT...MEADVILLE...PIKE ROAD...SPRAGUE...DAVENPORT...
  SELLERS...STRATA...RAMER...NAFTEL AND LOGAN.

THIS INCLUDES...
INTERSTATE 65 EXIT NUMBERS 142 THROUGH 171...
INTERSTATE 85 EXIT NUMBERS 2 THROUGH 3...

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 3215 8683 3237 8628 3225 8600 3197 8600
      3196 8630 3204 8631 3205 8639 3196 8641
      3196 8665
TIME...MOT...LOC 2306Z 310DEG 25KT 3223 8627 3213 8646
          3211 8677

$$

GRANTHAM

850 
WWUS54 KBMX 032318
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
618 PM CDT MON SEP 3 2012

ALC085-101-032345-
/O.CON.KBMX.SV.W.0281.000000T0000Z-120903T2345Z/
LOWNDES AL-MONTGOMERY AL-
618 PM CDT MON SEP 3 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
MONTGOMERY AND SOUTHERN LOWNDES COUNTIES UNTIL 645 PM CDT...

AT 618 PM CDT...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 SNOWDOUN TO DAVENPORT TO 5 MILES SOUTHWEST OF BEECHWOOD...MOVING
SOUTHEAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  FORT DEPOSIT...MEADVILLE...SPRAGUE...DAVENPORT...SELLERS...
  STRATA...RAMER...LOGAN...LOWNDES COUNTY AIRPORT AND NAFTEL.

THIS INCLUDES...
INTERSTATE 65 EXIT NUMBERS 142 THROUGH 164...

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 3210 8678 3233 8624 3225 8600 3197 8600
      3196 8630 3204 8631 3205 8639 3196 8641
      3196 8665
TIME...MOT...LOC 2318Z 310DEG 25KT 3221 8621 3210 8638
          3206 8669

$$

GRANTHAM

391 
WWUS54 KBMX 032333
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
633 PM CDT MON SEP 3 2012

ALC085-101-032345-
/O.CON.KBMX.SV.W.0281.000000T0000Z-120903T2345Z/
LOWNDES AL-MONTGOMERY AL-
633 PM CDT MON SEP 3 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
MONTGOMERY AND SOUTHEASTERN LOWNDES COUNTIES UNTIL 645 PM CDT...

AT 632 PM CDT...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 6 MILES NORTH OF MEADVILLE TO STRATA TO FORT DEPOSIT...MOVING
SOUTHEAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  MEADVILLE...RAMER...NAFTEL...DUBLIN...GRADY...PINE LEVEL AND
  CURRYS.

THIS INCLUDES...
INTERSTATE 65 EXIT NUMBER 142...

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 3205 8648 3227 8609 3225 8600 3197 8600
      3196 8630 3204 8631 3205 8639 3196 8641
      3196 8665
TIME...MOT...LOC 2333Z 310DEG 25KT 3214 8612 3203 8629
          3198 8653

$$

GRANTHAM

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 2, 7:06 PM CDT	Special Weather Statement	BMX	Blount	39 min
Sep 2, 7:17 PM CDT	Areal Flood Advisory	BMX	Marion, Winston	118 min
Sep 2, 7:20 PM CDT	Special Weather Statement	BMX	DeKalb	25 min
Sep 2, 7:30 PM CDT	Special Weather Statement	BMX	Marion, Winston	45 min
Sep 2, 7:47 PM CDT	Special Weather Statement	BMX	Marion	28 min
Sep 2, 7:58 PM CDT	Special Weather Statement	BMX	Etowah	47 min
Sep 2, 8:14 PM CDT	Special Weather Statement	BMX	Marion, Winston	46 min
Sep 2, 8:23 PM CDT	Special Weather Statement	BMX	Cherokee	52 min
Sep 2, 9:05 PM CDT	Special Weather Statement	BMX	Winston	25 min
Sep 2, 9:10 PM CDT	Areal Flood Advisory	BMX	Etowah	110 min
Sep 2, 9:12 PM CDT	Severe Thunderstorm Warning	BMX	Lamar, Marion	48 min
Sep 2, 9:27 PM CDT	Areal Flood Advisory	BMX	Marion, Winston	108 min
Sep 2, 9:43 PM CDT	Special Weather Statement	BMX	Winston	47 min
Sep 2, 9:56 PM CDT	Special Weather Statement	BMX	Fayette, Lamar, Marion	49 min
Sep 2, 9:58 PM CDT	Areal Flood Advisory	BMX	Lamar	2 hr
Sep 2, 10:45 PM CDT	Special Weather Statement	BMX	Walker, Winston	45 min
Sep 2, 10:49 PM CDT	Special Weather Statement	BMX	Lamar, Pickens	41 min
Sep 2, 11:33 PM CDT	Special Weather Statement	BMX	Blount, Jefferson, Pickens, Tuscaloosa	57 min
Sep 3, 8:57 AM CDT	Areal Flood Advisory	BMX	Blount, Jefferson, St. Clair, Walker	3 hr
Sep 3, 2:43 PM CDT	Special Weather Statement	BMX	Lee, Macon, Russell	62 min
Sep 3, 3:10 PM CDT	Severe Thunderstorm Warning	BMX	Hale, Tuscaloosa	50 min
Sep 3, 3:13 PM CDT	Areal Flood Advisory	BMX	Lee, Macon, Russell	2 hr
Sep 3, 3:35 PM CDT	Special Weather Statement	BMX	Bibb, Perry	55 min
Sep 3, 3:48 PM CDT	Special Weather Statement	BMX	Barbour, Bullock, Russell	42 min
Sep 3, 3:55 PM CDT	Severe Thunderstorm Warning	BMX	Perry	35 min
Sep 3, 3:59 PM CDT	Tornado Warning	BMX	Perry	13 min
Sep 3, 4:27 PM CDT	Special Weather Statement	BMX	Barbour	48 min
Sep 3, 4:29 PM CDT	Areal Flood Advisory	BMX	Tuscaloosa	2 hr
Sep 3, 4:32 PM CDT	Special Weather Statement	BMX	Autauga, Chilton, Dallas, Perry	58 min
Sep 3, 5:04 PM CDT	Special Weather Statement	BMX	Jefferson	26 min
Sep 3, 5:07 PM CDT	Special Weather Statement	BMX	Hale	23 min
Sep 3, 5:08 PM CDT	Special Weather Statement	BMX	Hale	37 min
Sep 3, 5:22 PM CDT	Special Weather Statement	BMX	Lowndes, Montgomery	38 min
Sep 3, 5:30 PM CDT	Areal Flood Advisory	BMX	Jefferson	2 hr
Sep 3, 5:31 PM CDT	Severe Thunderstorm Warning	BMX	Hale	44 min
Sep 3, 5:41 PM CDT	Special Weather Statement	BMX	Elmore	49 min
Sep 3, 5:43 PM CDT	Special Weather Statement	BMX	Dallas	47 min
Sep 3, 5:47 PM CDT	Special Weather Statement	BMX	Jefferson	43 min
Sep 3, 5:49 PM CDT	Areal Flood Advisory	BMX	Hale, Perry	116 min
Sep 3, 5:54 PM CDT	Severe Thunderstorm Warning	BMX	Perry	51 min
Sep 3, 6:10 PM CDT	Special Weather Statement	BMX	Tuscaloosa	50 min
Sep 3, 6:16 PM CDT	Severe Thunderstorm Warning	BMX	Hale	44 min
Sep 3, 6:19 PM CDT	Flash Flood Warning	BMX	Hale, Perry	3 hr
Sep 3, 6:21 PM CDT	Special Weather Statement	BMX	Walker	24 min
Sep 3, 6:28 PM CDT	Special Weather Statement	BMX	Jefferson	47 min
Sep 3, 6:29 PM CDT	Special Weather Statement	BMX	Greene	61 min
Sep 3, 6:32 PM CDT	Special Weather Statement	BMX	Bullock	58 min
Sep 3, 6:40 PM CDT	Severe Thunderstorm Warning	BMX	Greene, Pickens	50 min
Sep 3, 6:54 PM CDT	Flash Flood Warning	BMX	Hale, Tuscaloosa	3 hr
Sep 3, 6:57 PM CDT	Severe Thunderstorm Warning	BMX	Hale	63 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; the sounding from the Mesonet's radiosonde archive.