Alert archive / Alabama / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 240, NWS Birmingham, AL

April 27, 2000Colbert County, Franklin County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Apr 27, 2000, 7:00 PM CDT for Colbert County, Franklin County, Alabama. It was in force for 30 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 27, 2000, 7:00 PM CDT (00:00 UTC)
Expired
Apr 27, 2000, 7:30 PM CDT
In force
30 min
Issued by
NWS Birmingham, AL
Area
Whole counties

Counties Colbert County, AL, Franklin County, AL

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 0.0 hours before the alert went out and 182 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 00:00Z on 2000-04-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Birmingham, AL at 00:00Z on 2000-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 182 square meters per square second.1939587897117136156Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1921 m above ground
0-6 km bulk shear
82 kt
0-1 km storm-relative helicity
182 m²/s²
0-3 km storm-relative helicity
241 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 280002
SVRBHM
ALC033-059-280030-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
700 PM CDT THU APR 27 2000

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A...

* SEVERE THUNDERSTORM WARNING FOR...
  COLBERT COUNTY IN NORTHWEST ALABAMA...
  FRANKLIN COUNTY IN NORTHWEST ALABAMA...

* UNTIL 730 PM CDT.

* AT 700 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  CLUSTER OF SEVERE THUNDERSTORMS ACROSS COLBERT AND FRANKLIN COUNTIES.
  THE STORMS WERE MOVING EAST AROUND 45 MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
  RUSSELLVILLE AND LITTLEVILLE.

STRONG DAMAGING WIND...LARGE HAIL...AND VERY HEAVY RAIN ARE LIKELY
WITH THESE STORMS. TAKE COVER IN A STURDY SHELTER UNTIL THE STORMS
PASS.

NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 27, 7:03 PM CDTSevere Thunderstorm WarningBMXMorgan27 min
Apr 27, 7:07 PM CDTSevere Thunderstorm WarningBMXCullman53 min
Apr 27, 7:11 PM CDTTornado WarningBMXCullman49 min
Apr 27, 7:26 PM CDTSevere Thunderstorm WarningBMXFranklin, Marion64 min
Apr 27, 7:29 PM CDTSevere Thunderstorm WarningBMXLimestone, Morgan31 min
Apr 27, 7:39 PM CDTSevere Thunderstorm WarningBMXWinston51 min
Apr 27, 7:43 PM CDTSevere Thunderstorm WarningBMXMarshall47 min
Apr 27, 7:50 PM CDTSevere Thunderstorm WarningBMXCherokee, DeKalb25 min
Apr 27, 8:01 PM CDTSevere Thunderstorm WarningBMXWalker44 min
Apr 27, 8:06 PM CDTSevere Thunderstorm WarningBMXFayette39 min
Apr 27, 8:18 PM CDTSevere Thunderstorm WarningBMXBlount, Cullman57 min
Apr 27, 8:43 PM CDTTornado WarningBMXBlount32 min
Apr 27, 8:46 PM CDTSevere Thunderstorm WarningBMXJefferson, Walker44 min
Apr 27, 9:10 PM CDTSevere Thunderstorm WarningBMXSt. Clair35 min
Apr 27, 9:19 PM CDTSevere Thunderstorm WarningBMXShelby26 min
Apr 27, 9:29 PM CDTSevere Thunderstorm WarningBMXCalhoun, Talladega46 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; the sounding from the Mesonet's radiosonde archive.