Alert archive / Alabama / Tornado Warnings in 2011

Tornado Warning 165, NWS Birmingham, AL

November 16, 2011Bullock County, Macon County, Montgomery County, Alabama

NWS Birmingham, AL issued this tornado warning at Nov 16, 2011, 11:40 AM CST for Bullock County, Macon County, Montgomery County, Alabama. It was in force for 23 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: Nov 16, 2011, 11:40 AM CST (17:40 UTC)
Expired: Nov 16, 2011, 12:03 PM CST
In force: 23 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
Nov 16, 9:46 AM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 5.7 hours before the alert went out and 141 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: 990 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 497 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 133 m²/s²
0-3 km storm-relative helicity: 197 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 3.6

Open this sounding in Storm Lab

The text

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

176 
WFUS54 KBMX 161740
TORBMX
ALC011-087-101-161830-
/O.NEW.KBMX.TO.W.0165.111116T1740Z-111116T1830Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1140 AM CST WED NOV 16 2011

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN BULLOCK COUNTY IN SOUTHEAST ALABAMA...
  SOUTHWESTERN MACON COUNTY IN SOUTHEAST ALABAMA...
  SOUTHEASTERN MONTGOMERY COUNTY IN SOUTH CENTRAL ALABAMA...

* UNTIL 1230 PM CST

* AT 1137 AM CST...THE NATIONAL WEATHER SERVICE INDICATED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM
  WAS LOCATED NEAR DUBLIN...OR NEAR MEADVILLE...AND MOVING NORTHEAST
  AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  PINE LEVEL...SHOPTON...FRANKLIN FIELD...HARDAWAY...CURRYS...CARTERS
  HILL...SIMSVILLE...CECIL...MITCHELL AND CROSS KEYS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR OF A STURDY BUILDING.

&&

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

LAT...LON 3209 8626 3240 8590 3219 8566 3205 8595
      3206 8596 3204 8598 3205 8599 3203 8600
      3196 8614 3197 8617
TIME...MOT...LOC 1740Z 235DEG 39KT 3206 8613

$$

56

2 follow-up statements

897 
WWUS54 KBMX 161752
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1152 AM CST WED NOV 16 2011

ALC011-087-101-161830-
/O.CON.KBMX.TO.W.0165.000000T0000Z-111116T1830Z/
BULLOCK AL-MACON AL-MONTGOMERY AL-
1152 AM CST WED NOV 16 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN MONTGOMERY...
SOUTH CENTRAL MACON AND NORTHWESTERN BULLOCK COUNTIES UNTIL 1230 PM
CST...

AT 1147 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR PINE LEVEL...OR 6 MILES EAST OF MEADVILLE...
MOVING NORTHEAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  SHOPTON...FRANKLIN FIELD...HARDAWAY...SIMSVILLE...MITCHELL AND
  SEDGEFIELD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

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

LAT...LON 3199 8614 3212 8617 3234 8586 3219 8566
      3205 8595 3206 8596 3205 8597 3205 8599
      3203 8600 3198 8611
TIME...MOT...LOC 1752Z 235DEG 39KT 3212 8599

$$

56

264 
WWUS54 KBMX 161803
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1203 PM CST WED NOV 16 2011

ALC011-087-101-161813-
/O.CAN.KBMX.TO.W.0165.000000T0000Z-111116T1830Z/
BULLOCK AL-MACON AL-MONTGOMERY AL-
1203 PM CST WED NOV 16 2011

...THE TORNADO WARNING FOR SOUTHEASTERN MONTGOMERY...SOUTHWESTERN
MACON AND NORTHWESTERN BULLOCK COUNTIES 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 3199 8614 3212 8617 3234 8586 3219 8566
      3205 8595 3206 8596 3205 8597 3205 8599
      3203 8600 3198 8611
TIME...MOT...LOC 1803Z 235DEG 39KT 3218 8587

$$

56

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 16, 2:42 AM CST	Special Weather Statement	BMX	Pickens	48 min
Nov 16, 2:59 AM CST	Special Weather Statement	BMX	Fayette	46 min
Nov 16, 3:32 AM CST	Special Weather Statement	BMX	Walker	43 min
Nov 16, 5:44 AM CST	Special Weather Statement	BMX	Sumter	46 min
Nov 16, 6:34 AM CST	Tornado Warning	BMX	Marengo, Sumter	56 min
Nov 16, 7:57 AM CST	Tornado Warning	BMX	Hale, Marengo, Perry	48 min
Nov 16, 8:35 AM CST	Tornado Warning	BMX	Perry	40 min
Nov 16, 9:08 AM CST	Tornado Warning	BMX	Chilton, Dallas, Perry	37 min
Nov 16, 9:31 AM CST	Tornado Warning	BMX	Jefferson, St. Clair, Shelby	29 min
Nov 16, 9:46 AM CST	Tornado Warning	BMX	Chilton, Coosa	44 min
Nov 16, 9:56 AM CST	Tornado Warning	BMX	Calhoun, St. Clair, Talladega	34 min
Nov 16, 10:20 AM CST	Severe Thunderstorm Warning	BMX	Autauga, Dallas, Elmore, Lowndes, Montgomery	40 min
Nov 16, 10:25 AM CST	Tornado Warning	BMX	Calhoun	35 min
Nov 16, 10:36 AM CST	Tornado Warning	BMX	Lowndes, Montgomery	24 min
Nov 16, 10:56 AM CST	Tornado Warning	BMX	Calhoun, Cherokee, Cleburne	34 min
Nov 16, 10:58 AM CST	Tornado Warning	BMX	Lowndes, Montgomery	32 min
Nov 16, 10:59 AM CST	Tornado Warning	BMX	Elmore, Montgomery	31 min
Nov 16, 11:21 AM CST	Tornado Warning	BMX	Elmore, Macon, Montgomery, Tallapoosa	39 min
Nov 16, 11:48 AM CST	Tornado Warning	BMX	Chambers, Lee, Macon	42 min
Nov 16, 12:18 PM CST	Tornado Warning	BMX	Chambers, Lee	27 min
Nov 16, 12:25 PM CST	Tornado Warning	BMX	Bullock, Macon, Russell	25 min
Nov 16, 1:34 PM CST	Special Weather Statement	BMX	Barbour	41 min

Nearby

Tornado Warnings in Alabama, 2011 Every tornado warning in 2011 Tornadoes 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; the sounding from the Mesonet's radiosonde archive.