Alert archive / Alabama / Tornado Warnings in 2007

Tornado Warning 51, NWS Mobile, AL

October 22, 2007Clarke County, Mobile County, Washington County, Alabama

NWS Mobile, AL issued this tornado warning at Oct 22, 2007, 6:47 PM CDT for Clarke County, Mobile County, Washington County, Alabama. It was in force for 43 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, 6:47 PM CDT (23:47 UTC)
Expired
Oct 22, 2007, 7:30 PM CDT
In force
43 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

Counties Clarke County, AL, Mobile County, AL, Washington County, AL

The radar

The Mobile radar (KMOB), 59 km from the middle of the area, began a volume at 23:49 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 12:00Z, 11.8 hours before the alert went out and 186 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 12:00Z on 2007-10-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 595 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 12:00Z on 2007-10-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 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
595 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
597 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
109 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.0

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KMOB 222347
TORMOB
ALC025-097-129-230030-
/O.NEW.KMOB.TO.W.0051.071022T2347Z-071023T0030Z/

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

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  EXTREME SOUTH CENTRAL CLARKE COUNTY IN SOUTHWEST ALABAMA...
  NORTHEASTERN MOBILE COUNTY IN SOUTHWEST ALABAMA...
  SOUTHEASTERN WASHINGTON COUNTY IN SOUTHWEST ALABAMA...

* UNTIL 730 PM CDT

* AT 645 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR PINEOLA...
  OR ABOUT 22 MILES NORTHWEST OF BAY MINETTE...MOVING NORTH AT 25
  MPH.

* THE TORNADO WILL BE NEAR...
  FAIRFORD AND CALVERT BY 710 PM CDT...
  MALCOLM BY 715 PM CDT...
  MCINTOSH AND 6 MILES EAST OF TOPTON BY 725 PM CDT...
  HAWTHORN BY 730 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 3135 8815 3131 8790 3097 8808 3099 8818
TIME...MOT...LOC 2347Z 193DEG 23KT 3103 8812

$$
JP
2 follow-up statements
000 
WWUS54 KMOB 230013
SVSMOB

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

ALC025-097-129-230030-
/O.CON.KMOB.TO.W.0051.000000T0000Z-071023T0030Z/
WASHINGTON AL-CLARKE AL-MOBILE AL-
712 PM CDT MON OCT 22 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR 
EXTREME SOUTH CENTRAL CLARKE AND SOUTHEASTERN WASHINGTON COUNTIES...

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

AT 711 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR FAIRFORD...OR
ABOUT 23 MILES SOUTHEAST OF CHATOM...MOVING NORTH AT 25 MPH.

THE TORNADO WILL BE NEAR...
  MCINTOSH AND 6 MILES EAST OF TOPTON BY 725 PM CDT...
  HAWTHORN BY 730 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.

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

LAT...LON 3135 8815 3131 8790 3097 8808 3099 8818
TIME...MOT...LOC 0012Z 193DEG 23KT 3119 8808

$$
JP
000 
WWUS54 KMOB 230017
SVSMOB

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

ALC025-097-230027-
/O.CAN.KMOB.TO.W.0051.000000T0000Z-071023T0030Z/
CLARKE AL-MOBILE AL-
717 PM CDT MON OCT 22 2007

...THE TORNADO WARNING FOR NORTHEASTERN MOBILE AND EXTREME SOUTH
CENTRAL CLARKE COUNTIES 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 3132 8795 3129 8795 3127 8798 3126 8798
      3117 8805 3119 8812 3135 8815
TIME...MOT...LOC 0017Z 193DEG 23KT 3122 8807

$$

ALC129-230030-
/O.CON.KMOB.TO.W.0051.000000T0000Z-071023T0030Z/
WASHINGTON AL-
717 PM CDT MON OCT 22 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR
SOUTHEASTERN WASHINGTON COUNTY...

AT 712 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR FAIRFORD...OR
ABOUT 22 MILES SOUTHEAST OF CHATOM...MOVING NORTH AT 25 MPH.

THE TORNADO WILL BE NEAR...
  MCINTOSH BY 725 PM CDT...
  HAWTHORN BY 730 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.

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

LAT...LON 3132 8795 3129 8795 3127 8798 3126 8798
      3117 8805 3119 8812 3135 8815
TIME...MOT...LOC 0017Z 193DEG 23KT 3122 8807

$$
JP

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 22, 2:50 PM CDTTornado WarningMOBMobile40 min
Oct 22, 4:01 PM CDTTornado WarningMOBMobile44 min
Oct 22, 4:43 PM CDTTornado WarningMOBMobile32 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.