Alert archive / Alabama / Tornado Warnings in 2011

Tornado Warning 160, NWS Birmingham, AL

November 16, 2011Lowndes County, Montgomery County, Alabama

NWS Birmingham, AL issued this tornado warning at Nov 16, 2011, 10:36 AM CST for Lowndes County, Montgomery County, Alabama. It was in force for 24 min. 2 reports 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
Nov 16, 2011, 10:36 AM CST (16:36 UTC)
Expired
Nov 16, 2011, 11:00 AM CST
In force
24 min
Issued by
NWS Birmingham, AL
Area
Storm-based polygon

Counties Lowndes County, AL, Montgomery County, AL

What was reported inside it

TimeReportWhereRemark
Nov 16, 10:40 AM CSTTSTM WND DMGHayneville, ALPOWER OUTAGES REPORTED IN HAYNEVILLE AS WELL AS SEVERAL TREES DOWN ACROSS THE COUNTY.
Nov 16, 11:02 AM CSTTSTM WND DMG1 Wsw Montgomery, ALTREES DOWN IN THE CLOVERDALE SECTION OF MONTGOMERY. POSSIBLE TORNADO. TIME ESTIMATED FROM RADAR.

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.

IssuedProductOfficeLasted
Nov 16, 9:46 AM CSTTornado WatchSPC7 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 4.6 hours before the alert went out and 97 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-pSkew-T log-p diagram, Birmingham, AL at 12:00Z on 2011-11-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 990 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 12:00Z on 2011-11-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 133 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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.

336 
WFUS54 KBMX 161636
TORBMX
ALC085-101-161700-
/O.NEW.KBMX.TO.W.0160.111116T1636Z-111116T1700Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1036 AM CST WED NOV 16 2011

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN LOWNDES COUNTY IN SOUTH CENTRAL ALABAMA...
  NORTHWESTERN MONTGOMERY COUNTY IN SOUTH CENTRAL ALABAMA...

* UNTIL 1100 AM CST

* AT 1033 AM CST...THE NATIONAL WEATHER SERVICE INDICATED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM
  WAS LOCATED NEAR MOSSES...AND MOVING EAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  HAYNEVILLE...MONTGOMERY...LOWNDESBORO...CANTELOUS...PINTLALA...
  DANNELLY FIELD...HOPE HULL...HUNTER...WOODCREST AND SNOWDOUN.

THIS INCLUDES...
INTERSTATE 65 EXIT NUMBERS 158 THROUGH 176...
INTERSTATE 85 EXIT NUMBERS 1 THROUGH 3...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

THIS LINE OF THUNDERSTORMS IS CAPABLE OF PRODUCING TORNADOES AND
WIDESPREAD SIGNIFICANT WIND DAMAGE. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. 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 3231 8673 3237 8658 3237 8655 3234 8653
      3234 8650 3241 8646 3241 8640 3243 8640
      3243 8634 3241 8631 3245 8632 3249 8631
      3248 8628 3219 8619 3212 8667 3212 8668
TIME...MOT...LOC 1636Z 255DEG 39KT 3222 8661

$$

56
1 follow-up statement
073 
WWUS54 KBMX 161648
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1048 AM CST WED NOV 16 2011

ALC085-101-161700-
/O.CON.KBMX.TO.W.0160.000000T0000Z-111116T1700Z/
LOWNDES AL-MONTGOMERY AL-
1048 AM CST WED NOV 16 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHWESTERN MONTGOMERY
AND NORTHEASTERN LOWNDES COUNTIES UNTIL 1100 AM CST...

AT 1047 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 6 MILES SOUTH OF CANTELOUS...OR 8 MILES NORTHEAST
OF HAYNEVILLE...MOVING EAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  MONTGOMERY...CANTELOUS...DANNELLY FIELD...HOPE HULL...HUNTER...
  WOODCREST...PINEDALE...MONTGOMERY ZOO...BOYLSTON AND MAXWELL AIR
  FORCE BASE.

THIS INCLUDES...
INTERSTATE 65 EXIT NUMBERS 164 THROUGH 176...
INTERSTATE 85 EXIT NUMBERS 1 THROUGH 3...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS LINE OF THUNDERSTORMS IS CAPABLE OF PRODUCING TORNADOES AND
WIDESPREAD SIGNIFICANT WIND DAMAGE. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. 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 3233 8666 3237 8658 3237 8655 3234 8653
      3234 8650 3238 8646 3241 8646 3240 8643
      3242 8639 3243 8640 3243 8634 3241 8631
      3249 8631 3248 8628 3228 8622 3217 8663
TIME...MOT...LOC 1648Z 255DEG 39KT 3225 8646

$$

56

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 16, 2:42 AM CSTSpecial Weather StatementBMXPickens48 min
Nov 16, 2:59 AM CSTSpecial Weather StatementBMXFayette46 min
Nov 16, 3:32 AM CSTSpecial Weather StatementBMXWalker43 min
Nov 16, 5:44 AM CSTSpecial Weather StatementBMXSumter46 min
Nov 16, 6:34 AM CSTTornado WarningBMXMarengo, Sumter56 min
Nov 16, 7:57 AM CSTTornado WarningBMXHale, Marengo, Perry48 min
Nov 16, 8:35 AM CSTTornado WarningBMXPerry40 min
Nov 16, 9:08 AM CSTTornado WarningBMXChilton, Dallas, Perry37 min
Nov 16, 9:31 AM CSTTornado WarningBMXJefferson, St. Clair, Shelby29 min
Nov 16, 9:46 AM CSTTornado WarningBMXChilton, Coosa44 min
Nov 16, 9:56 AM CSTTornado WarningBMXCalhoun, St. Clair, Talladega34 min
Nov 16, 10:20 AM CSTSevere Thunderstorm WarningBMXAutauga, Dallas, Elmore, Lowndes, Montgomery40 min
Nov 16, 10:25 AM CSTTornado WarningBMXCalhoun35 min
Nov 16, 10:56 AM CSTTornado WarningBMXCalhoun, Cherokee, Cleburne34 min
Nov 16, 10:58 AM CSTTornado WarningBMXLowndes, Montgomery32 min
Nov 16, 10:59 AM CSTTornado WarningBMXElmore, Montgomery31 min
Nov 16, 11:21 AM CSTTornado WarningBMXElmore, Macon, Montgomery, Tallapoosa39 min
Nov 16, 11:40 AM CSTTornado WarningBMXBullock, Macon, Montgomery23 min
Nov 16, 11:48 AM CSTTornado WarningBMXChambers, Lee, Macon42 min
Nov 16, 12:18 PM CSTTornado WarningBMXChambers, Lee27 min
Nov 16, 12:25 PM CSTTornado WarningBMXBullock, Macon, Russell25 min
Nov 16, 1:34 PM CSTSpecial Weather StatementBMXBarbour41 min

Nearby

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