Alert archive / Alabama / Tornado Warnings in 2006

Tornado Warning 83, NWS Birmingham, AL

December 12, 2006Marengo County, Alabama

NWS Birmingham, AL issued this tornado warning at Dec 12, 2006, 2:18 PM CST for Marengo County, Alabama. It was in force for 27 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: Dec 12, 2006, 2:18 PM CST (20:18 UTC)
Expired: Dec 12, 2006, 2:45 PM CST
In force: 27 min
Issued by: NWS Birmingham, AL
Area: Counties, with a storm outline in the text

County Marengo County, AL

The radar

The Mobile radar (KMOB), 158 km from the middle of the area, began a volume at 20:20 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 12:00Z, 8.3 hours before the alert went out and 168 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 916 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 260 m²/s²
0-3 km storm-relative helicity: 284 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KBMX 122018
TORBMX
ALC091-122045-
/O.NEW.KBMX.TO.W.0083.061212T2018Z-061212T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
218 PM CST TUE DEC 12 2006

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN MARENGO COUNTY IN SOUTHWEST ALABAMA

* UNTIL 245 PM CST

* AT 218 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 9 MILES WEST OF
  PUTNAM...OR ABOUT 6 MILES SOUTHEAST OF BUTLER...MOVING EAST AT 40
  MPH.

* THE TORNADO IS WILL BE NEAR...
  PUTNAM BY 225 PM CST
  NANAFALIA BY 230 PM CST
  SWEET WATER AND 6 MILES SOUTH OF HALF ACRE BY 240 PM CST
  MILLER...SHILOH...DIXONS MILL AND 6 MILES SOUTHWEST OF OCTAGON BY
  245 PM CST

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW IF YOU WAIT 
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

TO REPORT SEVERE WEATHER...
ON THE WEB WWW.SRH.NOAA.GOV/BMX (SUBMIT A STORM REPORT)
CALL 1-800-856-0758.

LAT...LON 3208 8827 3191 8819 3207 8762 3228 8771

$$

2 follow-up statements

000 
WWUS54 KBMX 122028
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
228 PM CST TUE DEC 12 2006

ALC091-122045-
/O.CON.KBMX.TO.W.0083.000000T0000Z-061212T2045Z/
MARENGO AL-
228 PM CST TUE DEC 12 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 245 PM CST FOR SOUTHERN
MARENGO COUNTY...

AT 228 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR PUTNAM...OR ABOUT
10 MILES SOUTHEAST OF BUTLER...MOVING EAST AT 30 MPH.

THE TORNADO WILL BE NEAR...
  SWEET WATER AND 7 MILES WEST OF DIXONS MILL BY 245 PM CST

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 3209 8804 3204 8811 3200 8805 3201 8763
      3217 8768

$$

000 
WWUS54 KBMX 122043
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
243 PM CST TUE DEC 12 2006

ALC091-122053-
/O.EXP.KBMX.TO.W.0083.000000T0000Z-061212T2045Z/
MARENGO AL-
243 PM CST TUE DEC 12 2006

...THE TORNADO WARNING FOR SOUTHERN MARENGO COUNTY EXPIRES AT 245 PM
CST...

AT 243 PM CST NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE THUNDERSTORM THAT PROMPTED THE WARNING HAD WEAKENED AND WAS NO 
LONGER SEVERE...THUS THE WARNING WILL BE ALLOWED TO EXPIRE.

LAT...LON 3209 8804 3204 8811 3200 8805 3201 8763
      3217 8768

$$

Nearby

Tornado Warnings in Alabama, 2006 Every tornado warning in 2006 Tornadoes in 2006

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.