Alert archive / Alabama / Tornado Warnings in 2007

Tornado Warning 57, NWS Mobile, AL

October 23, 2007Butler County, Alabama

NWS Mobile, AL issued this tornado warning at Oct 23, 2007, 2:14 AM CDT for Butler County, Alabama. It was in force for 31 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
Oct 23, 2007, 2:14 AM CDT (07:14 UTC)
Expired
Oct 23, 2007, 2:45 AM CDT
In force
31 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

County Butler County, AL

The watch it was issued in

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

IssuedProductOfficeLasted
Oct 23, 12:43 AM CDTTornado WatchSPC6 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 7.2 hours before the alert went out and 145 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 00:00Z on 2007-10-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 464 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2007-10-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 201 square meters per square second.193958Sfc1 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
464 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
563 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
201 m²/s²
0-3 km storm-relative helicity
241 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.6

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KMOB 230715
TORMOB
ALC013-230745-
/O.NEW.KMOB.TO.W.0057.071023T0714Z-071023T0745Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
214 AM CDT TUE OCT 23 2007

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN BUTLER COUNTY IN SOUTH CENTRAL ALABAMA...

* UNTIL 245 AM CDT

* AT 213 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR          
  GREENVILLE...OR ABOUT 23 MILES WEST OF LUVERNE...MOVING            
  NORTHEAST AT 35 MPH.

* THE TORNADO WILL BE NEAR...
  RURAL NORTHEASTERN BUTLER COUNTY AT 230 AM CDT

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

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 800 AM CDT TUESDAY MORNING
FOR SOUTH CENTRAL ALABAMA.

LAT...LON 3197 8660 3197 8645 3188 8649 3179 8659
      3179 8665 3182 8669
TIME...MOT...LOC 0714Z 219DEG 32KT 3185 8662

$$
2 follow-up statements
000 
WWUS54 KMOB 230726
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
225 AM CDT TUE OCT 23 2007

ALC013-230745-
/O.CON.KMOB.TO.W.0057.000000T0000Z-071023T0745Z/
BUTLER AL-
225 AM CDT TUE OCT 23 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 245 AM CDT FOR
NORTHEASTERN BUTLER COUNTY...

AT 220 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED OVER NORTHEAST BUTLER 
COUNTY...OR ABOUT 22 MILES NORTHWEST OF LUVERNE...OR 5 MILES SOUTH 
OF FORT DEPOSIT...MOVING NORTHEAST AT 35 MPH.

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

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 800 AM CDT TUESDAY MORNING
FOR SOUTH CENTRAL ALABAMA.

LAT...LON 3197 8645 3193 8646 3192 8647 3190 8648
      3187 8654 3188 8663 3197 8660
TIME...MOT...LOC 0725Z 222DEG 32KT 3193 8654

$$
000 
WWUS54 KMOB 230737
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
236 AM CDT TUE OCT 23 2007

ALC013-230746-
/O.EXP.KMOB.TO.W.0057.000000T0000Z-071023T0745Z/
BUTLER AL-
236 AM CDT TUE OCT 23 2007

...THE TORNADO WARNING FOR NORTHEASTERN BUTLER COUNTY HAS BEEN 
CANCELLED...

AT 236 AM CDT...THE POTENTIAL TORNADO PRODUCING THUNDERSTORM HAS 
MOVED NORTHEAST OF BUTLER COUNTY.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM CDT TUESDAY MORNING
FOR SOUTH CENTRAL ALABAMA.

LAT...LON 3197 8645 3193 8646 3192 8647 3190 8648
      3187 8654 3188 8663 3197 8660
TIME...MOT...LOC 0736Z 222DEG 32KT 3200 8646

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 22, 7:31 PM CDTTornado WarningMOBWashington29 min
Oct 22, 8:32 PM CDTTornado WarningMOBClarke, Washington43 min
Oct 22, 9:12 PM CDTTornado WarningMOBClarke, Wilcox33 min
Oct 22, 9:52 PM CDTFlash Flood WarningMOBChoctaw, Clarke, Washington6 hr
Oct 22, 9:52 PM CDTFlash Flood WarningMOBChoctaw, Clarke, Washington6 hr
Oct 22, 10:26 PM CDTTornado WarningMOBClarke, Wilcox18 min
Oct 23, 12:04 AM CDTFlash Flood WarningMOBBaldwin, Mobile, Monroe, Wilcox6 hr
Oct 23, 1:36 AM CDTTornado WarningMOBButler39 min
Oct 23, 6:16 AM CDTTornado WarningMOBBaldwin44 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.