Alert archive / Alabama / Tornado Warnings in 2007

Tornado Warning 56, NWS Mobile, AL

October 23, 2007Butler County, Alabama

NWS Mobile, AL issued this tornado warning at Oct 23, 2007, 1:36 AM CDT for Butler County, Alabama. It was in force for 39 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, 1:36 AM CDT (06:36 UTC)
Expired
Oct 23, 2007, 2:15 AM CDT
In force
39 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, 6.6 hours before the alert went out and 163 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 230636
TORMOB
ALC013-230715-
/O.NEW.KMOB.TO.W.0056.071023T0636Z-071023T0715Z/

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

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

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

* UNTIL 215 AM CDT

* AT 134 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR I65 AND CR
  7...OR ABOUT 10 MILES NORTHEAST OF EVERGREEN...MOVING NORTHEAST AT
  40 MPH.

* THE TORNADO WILL BE NEAR...
  I65 AND AL 106...GEORGIANA AND STARLINGTON BY 145 AM CDT...
  CHAPMAN AND AVANT BY 150 AM CDT...
  BOLLING BY 155 AM CDT...
  WALD BY 200 AM CDT...
  I65 AND AL 10 BY 205 AM CDT...
  GREENVILLE AND I65 AND AL 185 BY 210 AM CDT...

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 3192 8656 3185 8646 3153 8679 3153 8684
      3157 8688 3159 8688 3161 8690 3194 8667
TIME...MOT...LOC 0636Z 220DEG 35KT 3157 8685

$$
2 follow-up statements
000 
WWUS54 KMOB 230647
SVSMOB

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

ALC013-230715-
/O.CON.KMOB.TO.W.0056.000000T0000Z-071023T0715Z/
BUTLER AL-
147 AM CDT TUE OCT 23 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 215 AM CDT FOR BUTLER
COUNTY...

AT 142 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR I65 AND CR 7...OR 
ABOUT 14 MILES NORTHEAST OF EVERGREEN...MOVING NORTHEAST AT 35 TO 40 
MPH.

THE TORNADO WILL BE NEAR...
  CHAPMAN AND AVANT BY 155 AM CDT...
  BOLLING BY 200 AM CDT...
  WALD AND I65 AND AL 10 BY 210 AM CDT...
  GREENVILLE AND I65 AND AL 185 BY 215 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 3192 8656 3183 8647 3175 8657 3174 8657
      3165 8668 3163 8668 3154 8678 3161 8689
      3194 8667
TIME...MOT...LOC 0647Z 223DEG 28KT 3162 8678

$$
000 
WWUS54 KMOB 230659
SVSMOB

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

ALC013-230715-
/O.CON.KMOB.TO.W.0056.000000T0000Z-071023T0715Z/
BUTLER AL-
158 AM CDT TUE OCT 23 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 215 AM CDT FOR EASTERN
BUTLER COUNTY...

AT 151 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED 2 MILES NORTHWEST OF 
GEORGIANA AND WAS MOVING NORTHEAST AT 35 MPH.

THE TORNADO WILL BE NEAR...
  WALD BY 205 AM CDT...
  I65 AND AL 10 BY 210 AM CDT...
  GREENVILLE AND I65 AND AL 185 BY 215 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. 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 3192 8656 3183 8647 3170 8661 3170 8663
      3166 8665 3163 8669 3162 8674 3164 8678
      3193 8665
TIME...MOT...LOC 0658Z 222DEG 34KT 3170 8670

$$

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, 2:14 AM CDTTornado WarningMOBButler31 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.