Alert archive / Alabama / Tornado Warnings in 2000

Tornado Warning 108, NWS Birmingham, AL

September 23, 2000Calhoun County, St. Clair County, Talladega County, Alabama

NWS Birmingham, AL issued this tornado warning at Sep 23, 2000, 6:25 PM CDT for Calhoun County, St. Clair County, Talladega County, Alabama. It was in force for 35 min. 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 23, 2000, 6:25 PM CDT (23:25 UTC)
Expired
Sep 23, 2000, 7:00 PM CDT
In force
35 min
Issued by
NWS Birmingham, AL
Area
Whole counties

Counties Calhoun County, AL, St. Clair County, AL, Talladega County, AL

What was reported inside it

TimeReportWhereRemark
Sep 23, 6:40 PM CDTThunderstorm Wind 50 ELincoln, ALSeveral trees were blown down near Lincoln. SR 77 was temporarily blocked by a few of the downed trees.

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 nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 11.4 hours before the alert went out and 80 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 12:00Z on 2000-09-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 460 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, Birmingham, AL at 12:00Z on 2000-09-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 168 square meters per square second.19395878Sfc1 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
460 J/kg
Mixed-layer CIN
-56 J/kg
Mixed-layer LCL
559 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
168 m²/s²
0-3 km storm-relative helicity
162 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KBMX 232326
TORBHM

ALC015-115-121-240000-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
625 PM CDT SAT SEP 23 2000

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN ST. CLAIR COUNTY IN CENTRAL ALABAMA
  CALHOUN COUNTY IN EAST CENTRAL ALABAMA
  NORTHERN TALLADEGA COUNTY IN EAST CENTRAL ALABAMA

* UNTIL 700 PM CDT

* AT 625 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO OVER RAGLAND...MOVING SOUTHEAST AT 25 MPH.

* LOCATIONS NEAR THE PATH OF THIS TORNADO INCLUDE...SAKS...RAGLAND...
  OXFORD...OHATCHEE...HOBSON CITY...BYNUM AND ANNISTON.

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 23, 5:14 PM CDTSevere Thunderstorm WarningBMXJefferson31 min
Sep 23, 5:20 PM CDTSevere Thunderstorm WarningBMXBlount25 min
Sep 23, 5:40 PM CDTSevere Thunderstorm WarningBMXSt. Clair50 min
Sep 23, 6:01 PM CDTSevere Thunderstorm WarningBMXJefferson29 min
Sep 23, 6:11 PM CDTSevere Thunderstorm WarningBMXShelby49 min
Sep 23, 6:59 PM CDTSevere Thunderstorm WarningBMXClay, Talladega46 min

Nearby

Tornado Warnings in Alabama, 2000Every tornado warning in 2000Tornadoes in 2000

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.