Alert archive / Alabama / Tornado Warnings in 2007

Tornado Warning 49, NWS Mobile, AL

October 22, 2007Mobile County, Alabama

NWS Mobile, AL issued this tornado warning at Oct 22, 2007, 4:01 PM CDT for Mobile County, Alabama. It was in force for 44 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Oct 22, 2007, 4:01 PM CDT (21:01 UTC)
Expired
Oct 22, 2007, 4:45 PM CDT
In force
44 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

County Mobile County, AL

The radar

The Mobile radar (KMOB), 42 km from the middle of the area, began a volume at 21:01 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.

What was reported inside it

TimeReportWhereRemark
Oct 22, 4:40 PM CDTFUNNEL CLOUDCoden, ALA FUNNEL CLOUD WAS SPOTTED CROSSING SHELL BUILT ROAD.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 9.0 hours before the alert went out and 139 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 222101
TORMOB
ALC097-222145-
/O.NEW.KMOB.TO.W.0049.071022T2101Z-071022T2145Z/

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

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  EXTREME SOUTHERN MOBILE COUNTY IN SOUTHWEST ALABAMA...

* UNTIL 445 PM CDT

* AT 356 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR WEST END OF
  DAUPHIN ISLAND...MOVING NORTH-NORTHEAST AT 25 MPH.

* THE TORNADO WILL BE NEAR...
  BAYOU LA BATRE BY 435 PM CDT...
  DIXON CORNER AND DELCHAMPS BY 440 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.

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.

LAT...LON 3023 8833 3026 8832 3027 8821 3031 8816
      3030 8823 3036 8832 3047 8831 3043 8808
      3023 8819 3021 8830
TIME...MOT...LOC 2101Z 197DEG 21KT 3020 8829

$$
JP
2 follow-up statements
000 
WWUS54 KMOB 222113
SVSMOB

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

ALC097-222145-
/O.CON.KMOB.TO.W.0049.000000T0000Z-071022T2145Z/
MOBILE AL-
412 PM CDT MON OCT 22 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM CDT FOR SOUTH
CENTRAL MOBILE COUNTY...

AT 412 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED JUST NORTH OF THE WEST 
END OF DAUPHIN ISLAND...MOVING NORTH AT 20 MPH.

THE TORNADO WILL BE NEAR...
  BAYOU LA BATRE BY 435 PM CDT...
  DIXON CORNER AND DELCHAMPS BY 440 PM 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.

DO NOT USE YOUR CAR TO TRY TO OUTRUN A TORNADO. CARS ARE EASILY 
TOSSED AROUND BY TORNADO WINDS. IF YOU ARE CAUGHT IN THE PATH OF A 
TORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING. IF NO SAFE 
STRUCTURE IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT AND COVER 
YOUR HEAD.

LAT...LON 3023 8833 3026 8832 3027 8821 3031 8816
      3030 8823 3036 8832 3047 8831 3043 8808
      3023 8819 3021 8830
TIME...MOT...LOC 2112Z 197DEG 21KT 3026 8827

$$
JP
000 
WWUS54 KMOB 222133
SVSMOB

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

ALC097-222145-
/O.CON.KMOB.TO.W.0049.000000T0000Z-071022T2145Z/
MOBILE AL-
433 PM CDT MON OCT 22 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM CDT FOR SOUTH
CENTRAL MOBILE COUNTY...

AT 429 PM CDT...TRAINED WEATHER SPOTTERS REPORTED WALL CLOUD WITH 
THIS THUNDERSTORM...LOCATED NEAR BAYOU LA BATRE...MOVING NORTH AT 20 
MPH.

THE TORNADO WILL BE NEAR...
  DELCHAMPS BY 440 PM CDT...
  DIXON CORNER BY 445 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.

LAT...LON 3035 8828 3047 8831 3043 8810 3041 8810
      3035 8820
TIME...MOT...LOC 2133Z 197DEG 21KT 3038 8823

$$
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, 4:43 PM CDTTornado WarningMOBMobile32 min
Oct 22, 6:47 PM CDTTornado WarningMOBClarke, Mobile, Washington43 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.