Alert archive / Alabama / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 239, NWS Birmingham, AL

April 27, 2000Lawrence County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Apr 27, 2000, 6:59 PM CDT for Lawrence County, Alabama. It was in force for 46 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
Apr 27, 2000, 6:59 PM CDT (23:59 UTC)
Expired
Apr 27, 2000, 7:45 PM CDT
In force
46 min
Issued by
NWS Birmingham, AL
Area
Whole counties

County Lawrence County, AL

What was reported inside it

TimeReportWhereRemark
Apr 27, 7:10 PM CDTHail 0.88Moulton, ALNickel size hail was reported southwest of Moulton.

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, 12.0 hours before the alert went out and 157 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 2000-04-27Temperature 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 12:00Z on 2000-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 square meters per square second.1939587897Sfc1 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
2193 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
98 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 280001
SVRBHM
ALC079-280045-

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

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

* SEVERE THUNDERSTORM WARNING FOR...
  LAWRENCE COUNTY IN NORTHWEST ALABAMA...

* UNTIL 745 PM CDT.

* AT 659 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER EXTREME SOUTH CENTRAL LAWRENCE COUNTY...  
MOVING EAST AT 45 MPH. ADDITIONAL SEVERE THUNDERSTORMS WILL MOVE 
INTO WESTERN LAWRENCE COUNTY...FROM HATTON TO MOUNT HOPE.

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
Apr 27, 4:38 PM CDTSevere Thunderstorm WarningBMXLimestone37 min
Apr 27, 4:46 PM CDTSevere Thunderstorm WarningBMXMadison44 min
Apr 27, 5:14 PM CDTSevere Thunderstorm WarningBMXJackson46 min
Apr 27, 5:46 PM CDTSevere Thunderstorm WarningBMXFranklin59 min
Apr 27, 6:09 PM CDTSevere Thunderstorm WarningBMXColbert, Lauderdale51 min
Apr 27, 6:15 PM CDTSevere Thunderstorm WarningBMXLawrence45 min
Apr 27, 6:49 PM CDTSevere Thunderstorm WarningBMXLimestone41 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.