Alert archive / Alabama / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 397, NWS Birmingham, AL

August 9, 2000Jefferson County, Shelby County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Aug 9, 2000, 4:11 PM CDT for Jefferson County, Shelby County, Alabama. It was in force for 34 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
Aug 9, 2000, 4:11 PM CDT (21:11 UTC)
Expired
Aug 9, 2000, 4:45 PM CDT
In force
34 min
Issued by
NWS Birmingham, AL
Area
Whole counties

Counties Jefferson County, AL, Shelby County, AL

What was reported inside it

TimeReportWhereRemark
Aug 9, 4:32 PM CDTThunderstorm Wind 50 EHoover, ALA few trees and power lines were knocked down across the city of Hoover.

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, 9.2 hours before the alert went out and 25 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 2000-08-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 288 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 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 2000-08-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 7 square meters per square second.1939Sfc1 km3 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
288 J/kg
Mixed-layer CIN
-114 J/kg
Mixed-layer LCL
1117 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
7 m²/s²
0-3 km storm-relative helicity
31 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KBMX 092113
SVRBHM
ALC073-117-092145-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
411 PM CDT WED AUG 9 2000

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  JEFFERSON COUNTY IN CENTRAL ALABAMA
  SHELBY COUNTY IN CENTRAL ALABAMA

* UNTIL 445 PM CDT

* AT 410 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM ON THE JEFFERSON AND SHELBY COUNTY LINES...NEAR
  INVERNESS AND VESTAVIA.  THE STORM WAS DIFTING SLOWLY SOUTHWEST.

* ALL CITIES IN SOUTH BIRMINGHAM AND NORTH SHELBY COUNTY ARE IN THE
  PATH OF THIS STORM.

STRONG DAMAGING WIND...LARGE HAIL...AND VERY HEAVY RAIN ARE LIKELY
WITH THIS STORM. TAKE COVER IN A STURDY SHELTER UNTIL THE STORM
PASSES.

NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 9, 12:53 PM CDTSevere Thunderstorm WarningBMXTallapoosa52 min
Aug 9, 1:26 PM CDTSevere Thunderstorm WarningBMXTuscaloosa49 min
Aug 9, 2:21 PM CDTSevere Thunderstorm WarningBMXTuscaloosa39 min
Aug 9, 3:03 PM CDTSevere Thunderstorm WarningBMXTuscaloosa27 min
Aug 9, 3:06 PM CDTSevere Thunderstorm WarningBMXJefferson54 min
Aug 9, 3:22 PM CDTSevere Thunderstorm WarningBMXSumter38 min
Aug 9, 3:30 PM CDTSevere Thunderstorm WarningBMXTuscaloosa30 min
Aug 9, 3:36 PM CDTSevere Thunderstorm WarningBMXShelby39 min
Aug 9, 3:36 PM CDTSevere Thunderstorm WarningBMXGreene24 min
Aug 9, 3:44 PM CDTSevere Thunderstorm WarningBMXPickens46 min
Aug 9, 4:41 PM CDTSevere Thunderstorm WarningBMXRussell49 min
Aug 9, 4:42 PM CDTSevere Thunderstorm WarningBMXLowndes33 min
Aug 9, 4:44 PM CDTSevere Thunderstorm WarningBMXMacon46 min
Aug 9, 5:07 PM CDTSevere Thunderstorm WarningBMXBarbour23 min
Aug 9, 5:29 PM CDTSevere Thunderstorm WarningBMXBarbour, Russell46 min
Aug 9, 6:31 PM CDTSevere Thunderstorm WarningBMXBarbour29 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2000Every severe thunderstorm warning 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.