Alert archive / Alabama / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 22, NWS Birmingham, AL

February 24, 2012Bullock County, Macon County, Montgomery County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Feb 24, 2012, 9:53 AM CST for Bullock County, Macon County, Montgomery County, Alabama. It was in force for 37 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: Feb 24, 2012, 9:53 AM CST (15:53 UTC)
Expired: Feb 24, 2012, 10:30 AM CST
In force: 37 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon

Counties Bullock County, AL, Macon 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
Feb 24, 7:48 AM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 3.9 hours before the alert went out and 139 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: 1167 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 575 m above ground
0-6 km bulk shear: 80 kt
0-1 km storm-relative helicity: 49 m²/s²
0-3 km storm-relative helicity: 195 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 1.5

Open this sounding in Storm Lab

The text

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

676 
WUUS54 KBMX 241553
SVRBMX
ALC011-087-101-241630-
/O.NEW.KBMX.SV.W.0022.120224T1553Z-120224T1630Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
953 AM CST FRI FEB 24 2012

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN BULLOCK COUNTY IN SOUTHEAST ALABAMA...
  SOUTHWESTERN MACON COUNTY IN SOUTHEAST ALABAMA...
  CENTRAL MONTGOMERY COUNTY IN SOUTH CENTRAL ALABAMA...

* UNTIL 1030 AM CST

* AT 950 AM 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 PINTLALA...
  OR 13 MILES NORTHWEST OF MEADVILLE...AND MOVING EAST AT 55 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MEADVILLE...SPRAGUE...PINEDALE...PIKE ROAD...PINE LEVEL...
  SHOPTON...BEANS CROSSROADS AND HARDAWAY.

THIS INCLUDES...
INTERSTATE 65 EXIT NUMBER 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.

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

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM CST FRIDAY AFTERNOON
FOR SOUTHERN ALABAMA.

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

LAT...LON 3201 8590 3205 8590 3206 8595 3204 8597
      3205 8599 3206 8640 3230 8640 3232 8603
      3234 8581 3201 8580
TIME...MOT...LOC 1553Z 267DEG 49KT 3215 8629

$$

56

3 follow-up statements

133 
WWUS54 KBMX 241605
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1005 AM CST FRI FEB 24 2012

ALC011-087-101-241630-
/O.CON.KBMX.SV.W.0022.000000T0000Z-120224T1630Z/
BULLOCK AL-MACON AL-MONTGOMERY AL-
1005 AM CST FRI FEB 24 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EAST CENTRAL
MONTGOMERY...SOUTHWESTERN MACON AND NORTHWESTERN BULLOCK COUNTIES
UNTIL 1030 AM CST...

AT 1005 AM 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 PIKE
ROAD...OR 13 MILES NORTHEAST OF MEADVILLE...MOVING EAST AT 65 MPH.

LOCATIONS IMPACTED INCLUDE...
  SHOPTON...HARDAWAY...FRANKLIN FIELD...CECIL...MITCHELL...CROSS KEYS
  AND SIMSVILLE.

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 3212 8581 3211 8594 3210 8606 3209 8621
      3231 8623 3232 8603 3234 8581
TIME...MOT...LOC 1606Z 266DEG 55KT 3224 8604

$$

56

375 
WWUS54 KBMX 241616
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1016 AM CST FRI FEB 24 2012

ALC011-087-101-241630-
/O.CON.KBMX.SV.W.0022.000000T0000Z-120224T1630Z/
BULLOCK AL-MACON AL-MONTGOMERY AL-
1016 AM CST FRI FEB 24 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EAST CENTRAL
MONTGOMERY...SOUTHWESTERN MACON AND NORTHWESTERN BULLOCK COUNTIES
UNTIL 1030 AM CST...

AT 1009 AM 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
EAST OF PIKE ROAD...OR 14 MILES SOUTH OF MILSTEAD...MOVING EAST AT 65
MPH.

LOCATIONS IMPACTED INCLUDE...
  HARDAWAY.

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 3220 8581 3218 8600 3218 8607 3232 8608
      3232 8603 3234 8581
TIME...MOT...LOC 1615Z 266DEG 55KT 3225 8587

$$

56

520 
WWUS54 KBMX 241621
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1021 AM CST FRI FEB 24 2012

ALC011-087-101-241631-
/O.EXP.KBMX.SV.W.0022.000000T0000Z-120224T1630Z/
BULLOCK AL-MACON AL-MONTGOMERY AL-
1021 AM CST FRI FEB 24 2012

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL MONTGOMERY...
SOUTHWESTERN MACON AND NORTHWESTERN BULLOCK COUNTIES WILL EXPIRE AT
1030 AM CST...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
 HOWEVER SMALL HAIL AND GUSTY WINDS ARE STILL POSSIBLE WITH THIS
THUNDERSTORM.

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

LAT...LON 3220 8581 3218 8600 3218 8607 3232 8608
      3232 8603 3234 8581
TIME...MOT...LOC 1621Z 266DEG 55KT 3224 8576

$$

56

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 24, 6:36 AM CST	Areal Flood Advisory	BMX	Autauga, Elmore, Tallapoosa	3 hr
Feb 24, 7:48 AM CST	Severe Thunderstorm Warning	BMX	Chambers	10 min
Feb 24, 9:03 AM CST	Severe Thunderstorm Warning	BMX	Dallas, Lowndes	42 min
Feb 24, 9:08 AM CST	Areal Flood Advisory	BMX	Autauga, Elmore, Lowndes, Montgomery, Tallapoosa	3 hr
Feb 24, 9:32 AM CST	Severe Thunderstorm Warning	BMX	Bullock, Lowndes, Macon, Montgomery	28 min
Feb 24, 9:45 AM CST	Severe Thunderstorm Warning	BMX	Dallas	45 min
Feb 24, 9:50 AM CST	Special Weather Statement	BMX	Chambers, Tallapoosa	55 min
Feb 24, 10:14 AM CST	Severe Thunderstorm Warning	BMX	Autauga, Dallas	31 min
Feb 24, 10:18 AM CST	Special Weather Statement	BMX	Macon	42 min
Feb 24, 10:34 AM CST	Tornado Warning	BMX	Pike	31 min
Feb 24, 10:39 AM CST	Special Weather Statement	BMX	Elmore	36 min
Feb 24, 10:59 AM CST	Special Weather Statement	BMX	Tallapoosa	31 min
Feb 24, 11:01 AM CST	Tornado Warning	BMX	Barbour, Bullock	20 min
Feb 24, 11:17 AM CST	Special Weather Statement	BMX	Randolph	28 min
Feb 24, 11:23 AM CST	Special Weather Statement	BMX	Barbour	52 min
Feb 24, 2:44 PM CST	Fire Weather Watch	BMX	Autauga, Barbour, Bibb, Blount, Bullock, Calhoun and 33 more	14 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.