Alert archive / Alabama / Tornado Warnings in 2002

Tornado Warning 21, NWS Mobile, AL

September 26, 2002Mobile County, Alabama; George County, Mississippi

NWS Mobile, AL issued this tornado warning at Sep 26, 2002, 6:25 AM CDT for Mobile County, Alabama; George County, Mississippi. It was in force for 7 days. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Sep 26, 2002, 6:25 AM CDT (11:25 UTC)
Expired
Oct 3, 2002, 5:45 PM CDT
In force
7 days
Issued by
NWS Mobile, AL
Area
Counties, with a storm outline in the text

Counties Mobile County, AL, George County, MS

What was reported inside it

TimeReportWhereRemark
Sep 26, 6:30 AM CDTTornado F0Semmes, ALA weak tornado blew down several trees and caused some minor roof damage to a home near Semmes. The rapidly moving tornado also damaged a couple of outbuildings near the same location.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

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

IssuedProductOfficeLasted
Sep 25, 11:35 PM CDTTornado WatchSPC8 hr
Sep 26, 3:40 AM CDTTornado WatchSPC6 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 11.4 hours before the alert went out and 136 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 2002-09-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 201 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 2002-09-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 365 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
201 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
461 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
365 m²/s²
0-3 km storm-relative helicity
455 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.4

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 25, 7:30 PM CDTTornado WarningMOBBaldwin14 hr
Sep 25, 9:01 PM CDTFlash Flood WarningMOBBaldwin, Mobile4 hr
Sep 26, 2:34 AM CDTFlash Flood WarningMOBStone3 hr
Sep 25, 10:07 PM CDTFlash Flood WarningMOBEscambia, Santa Rosa3 hr
Sep 25, 10:12 PM CDTFlash Flood WarningMOBEscambia, Santa Rosa3 hr
Sep 26, 8:00 AM CDTTornado WarningMOBSanta Rosa24 days
Sep 26, 8:48 AM CDTTornado WarningMOBOkaloosa, Santa Rosa24 days
Sep 26, 8:48 AM CDTTornado WarningMOBOkaloosa24 days
Sep 26, 9:07 AM CDTTornado WarningMOBOkaloosa33 days

Nearby

Tornado Warnings in Alabama, 2002Tornado Warnings in Mississippi, 2002Every tornado warning in 2002Tornadoes in 2002

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.