Alert archive / Alabama / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 85, NWS Mobile, AL

April 3, 2000Clarke County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Apr 3, 2000, 1:19 PM CDT for Clarke County, Alabama. It was in force for 41 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 3, 2000, 1:19 PM CDT (18:19 UTC)
Expired
Apr 3, 2000, 2:00 PM CDT
In force
41 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Clarke County, AL

The radar

The Mobile radar (KMOB), 118 km from the middle of the area, began a volume at 18:22 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Apr 3, 1:45 PM CDTThunderstorm Wind 50 EDickinson, ALTrees and power lines were blown down between Dickinson and Fulton.

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
Apr 3, 10:30 AM CDTTornado WatchSPC6 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 6.3 hours before the alert went out and 194 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 2000-04-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 162 joules per kilogram.LCLLFCEL10008507005003002001001 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 2000-04-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 178 square meters per square second.1939587897117Sfc1 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
162 J/kg
Mixed-layer CIN
-57 J/kg
Mixed-layer LCL
777 m above ground
0-6 km bulk shear
73 kt
0-1 km storm-relative helicity
178 m²/s²
0-3 km storm-relative helicity
188 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KMOB 031820
SVRMOB
ALC025-031900-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
119 PM CDT MON APR 3 2000

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CLARKE COUNTY IN ALABAMA

* UNTIL 200 PM CDT

* AT 119 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 15 MILES SOUTHWEST OF THOMASVILLE...MOVING
  NORTHEAST AT 50 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  THOMASVILLE AT 135 PM CDT

A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 PM CDT MONDAY AFTERNOON
FOR ALABAMA AND FLORIDA AND MISSISSIPPI. A TORNADO WATCH ALSO REMAINS
IN EFFECT UNTIL 800 PM CDT MONDAY EVENING FOR ALABAMA AND FLORIDA AND
MISSISSIPPI.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR
PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME
OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO
AREAS WHERE WATER COVERS THE ROAD.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SER)VICE FORECAST
OFFICE IN MOBILE.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 2, 9:59 PM CDTSevere Thunderstorm WarningMOBChoctaw, Marengo61 min
Apr 2, 11:00 PM CDTSevere Thunderstorm WarningMOBChoctaw, Clarke, Marengo, Washington60 min
Apr 2, 11:00 PM CDTSevere Thunderstorm WarningMOBWilcox60 min
Apr 3, 12:11 PM CDTSevere Thunderstorm WarningMOBChoctaw34 min
Apr 3, 12:21 PM CDTSevere Thunderstorm WarningMOBWashington54 min
Apr 3, 12:25 PM CDTSevere Thunderstorm WarningMOBMarengo35 min
Apr 3, 12:52 PM CDTSevere Thunderstorm WarningMOBMarengo38 min
Apr 3, 1:25 PM CDTSevere Thunderstorm WarningMOBWashington50 min
Apr 3, 1:47 PM CDTSevere Thunderstorm WarningMOBWilcox28 min
Apr 3, 2:01 PM CDTSevere Thunderstorm WarningMOBClarke29 min
Apr 3, 2:20 PM CDTTornado WarningMOBClarke, Monroe25 min
Apr 3, 2:46 PM CDTTornado WarningMOBMonroe29 min
Apr 3, 3:12 PM CDTSevere Thunderstorm WarningMOBButler, Conecuh, Monroe33 min
Apr 3, 3:44 PM CDTSevere Thunderstorm WarningMOBButler31 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; radar from the NEXRAD Level II archive.