Alert archive / Alabama / Tornado Warnings in 2007

Tornado Warning 52, NWS Mobile, AL

October 22, 2007Washington County, Alabama

NWS Mobile, AL issued this tornado warning at Oct 22, 2007, 7:31 PM CDT for Washington County, Alabama. It was in force for 29 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 22, 2007, 7:31 PM CDT (00:31 UTC)
Expired
Oct 22, 2007, 8:00 PM CDT
In force
29 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

County Washington County, AL

The radar

The Mobile radar (KMOB), 92 km from the middle of the area, began a volume at 00:31 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
Oct 22, 5:11 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 0.5 hours before the alert went out and 211 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, Slidell Radar S, LA at 00:00Z on 2007-10-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 160 joules per kilogram.LCLLFCEL10008507005003002001001 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, Slidell Radar S, LA at 00:00Z on 2007-10-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 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
160 J/kg
Mixed-layer CIN
-100 J/kg
Mixed-layer LCL
550 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
228 m²/s²
Significant tornado parameter
0.1
Supercell composite
8.2

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KMOB 230031
TORMOB
ALC129-230115-
/O.NEW.KMOB.TO.W.0052.071023T0031Z-071023T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
731 PM CDT MON OCT 22 2007

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN WASHINGTON COUNTY IN SOUTHWEST ALABAMA...

* UNTIL 815 PM CDT

* AT 726 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR HAWTHORN...
  OR ABOUT 16 MILES SOUTHEAST OF CHATOM...MOVING NORTH AT 30 MPH.

* THE TORNADO WILL BE NEAR...
  SUNFLOWER BY 740 PM CDT...
  WAGARVILLE AND CORTELUOU BY 745 PM CDT...
  6 MILES WEST OF PRESTWICK BY 750 PM CDT...
  LEROY BY 755 PM CDT...
  SAINT STEPHRNS BY 800 PM CDT...

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
STURDY 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 1100 PM CDT MONDAY EVENING
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST
MISSISSIPPI.

LAT...LON 3155 8798 3154 8797 3154 8795 3153 8793
      3127 8805 3127 8812 3162 8815
TIME...MOT...LOC 0031Z 183DEG 26KT 3133 8807

$$
JP
2 follow-up statements
000 
WWUS54 KMOB 230048
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
747 PM CDT MON OCT 22 2007

ALC129-230115-
/O.CON.KMOB.TO.W.0052.000000T0000Z-071023T0115Z/
WASHINGTON AL-
747 PM CDT MON OCT 22 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR EAST
CENTRAL WASHINGTON COUNTY...

AT 745 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR WAGARVILLE...OR
ABOUT 12 MILES EAST OF CHATOM...MOVING NORTH AT 25 MPH.

THE TORNADO WILL BE NEAR...
  SAINT STEPHENS AND LEROY BY 800 PM CDT...

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

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT MONDAY EVENING
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST
MISSISSIPPI.

LAT...LON 3162 8815 3157 8804 3156 8803 3156 8801
      3155 8800 3153 8793 3138 8804 3137 8808
TIME...MOT...LOC 0047Z 189DEG 25KT 3144 8805

$$
JP
000 
WWUS54 KMOB 230100
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
801 PM CDT MON OCT 22 2007

ALC129-230111-
/O.CAN.KMOB.TO.W.0052.000000T0000Z-071023T0115Z/
WASHINGTON AL-
801 PM CDT MON OCT 22 2007

...THE TORNADO WARNING FOR EAST CENTRAL WASHINGTON COUNTY IS
CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT MONDAY EVENING
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST
MISSISSIPPI.

LAT...LON 3162 8815 3157 8804 3156 8803 3156 8801
      3155 8800 3153 8793 3138 8804 3137 8808
TIME...MOT...LOC 0101Z 189DEG 25KT 3154 8803

$$
JP

The office that day

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

IssuedProductOfficeCountiesLasted
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, 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; radar from the NEXRAD Level II archive.