Alert archive / Alabama / Tornado Warnings in 2007

Tornado Warning 161, NWS Birmingham, AL

December 28, 2007Bibb County, Perry County, Alabama

NWS Birmingham, AL issued this tornado warning at Dec 28, 2007, 1:54 PM CST for Bibb County, Perry County, Alabama. It was in force for 22 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 28, 2007, 1:54 PM CST (19:54 UTC)
Expired
Dec 28, 2007, 2:16 PM CST
In force
22 min
Issued by
NWS Birmingham, AL
Area
Storm-based polygon

Counties Bibb County, AL, Perry County, AL

The radar

The Birmingham radar (KBMX), 61 km from the middle of the area, began a volume at 19:55 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 watch it was issued in

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

IssuedProductOfficeLasted
Dec 28, 10:44 AM CSTTornado WatchSPC7 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 7.9 hours before the alert went out and 60 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 2007-12-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 12:00Z on 2007-12-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 361 square meters per square second.1939587897117136Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
463 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
361 m²/s²
0-3 km storm-relative helicity
429 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.5

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KBMX 281954
TORBMX
ALC007-105-282030-
/O.NEW.KBMX.TO.W.0161.071228T1954Z-071228T2030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
154 PM CST FRI DEC 28 2007

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN BIBB COUNTY IN CENTRAL ALABAMA...
  THIS INCLUDES THE CITY OF CENTREVILLE...
  NORTHERN PERRY COUNTY IN CENTRAL ALABAMA...

* UNTIL 230 PM CST

* AT 150 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES
  NORTHEAST OF MORGAN SPRINGS...OR 14 MILES NORTH OF MARION...MOVING
  EAST AT 35 MPH.

* THE TORNADO WILL BE NEAR...
  ELLARDS BY 200 PM CST...
  BRENT AND CENTREVILLE BY 215 PM CST...

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM CST FRIDAY EVENING FOR
ALABAMA.

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

LAT...LON 3276 8747 3283 8747 3283 8742 3291 8742
      3300 8699 3286 8697 3283 8698 3283 8701
      3277 8702 3271 8747 3274 8748
TIME...MOT...LOC 1954Z 253DEG 32KT 3283 8734

$$

17
2 follow-up statements
000 
WWUS54 KBMX 282007
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
207 PM CST FRI DEC 28 2007

ALC007-105-282030-
/O.CON.KBMX.TO.W.0161.000000T0000Z-071228T2030Z/
PERRY AL-BIBB AL-
207 PM CST FRI DEC 28 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 230 PM CST FOR SOUTHERN
BIBB AND NORTHEASTERN PERRY COUNTIES...

AT 204 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR HARRISBURG...OR
ABOUT 10 MILES SOUTHWEST OF CENTREVILLE...MOVING EAST AT 35 MPH.

THE TORNADO WILL BE NEAR...
  BRENT BY 215 PM CST...
  BIBB COUNTY AIRPORT BY 220 PM CST...
  TRIO BY 225 PM CST...

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM CST FRIDAY EVENING FOR
ALABAMA.

LAT...LON 3291 8728 3300 8699 3287 8697 3283 8698
      3283 8701 3277 8702 3278 8722 3280 8731
      3284 8731
TIME...MOT...LOC 2007Z 253DEG 32KT 3286 8721

$$

17
000 
WWUS54 KBMX 282016
SVSBMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
216 PM CST FRI DEC 28 2007

ALC007-105-282026-
/O.CAN.KBMX.TO.W.0161.000000T0000Z-071228T2030Z/
PERRY AL-BIBB AL-
216 PM CST FRI DEC 28 2007

...THE TORNADO WARNING FOR SOUTHERN BIBB AND NORTHEASTERN PERRY
COUNTIES IS CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM CST FRIDAY EVENING FOR
ALABAMA.

LAT...LON 3291 8728 3300 8699 3287 8697 3283 8698
      3283 8701 3277 8702 3278 8722 3280 8731
      3284 8731
TIME...MOT...LOC 2016Z 253DEG 32KT 3289 8712

$$

17

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 28, 9:23 AM CSTTornado WarningBMXBlount, Etowah37 min
Dec 28, 1:34 PM CSTSevere Thunderstorm WarningBMXChilton, Coosa41 min

Nearby

Tornado Warnings in Alabama, 2007Every tornado warning in 2007Tornadoes in 2007

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.