Alert archive / Texas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 143, NWS Lake Charles, LA

August 3, 2000Tyler County, Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at Aug 3, 2000, 7:39 PM CDT for Tyler County, Texas. It was in force for 66 min. 2 reports came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued
Aug 3, 2000, 7:39 PM CDT (00:39 UTC)
Expired
Aug 3, 2000, 8:45 PM CDT
In force
66 min
Issued by
NWS Lake Charles, LA
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Tyler County, TX

What was reported inside it

TimeReportWhereRemark
Aug 3, 7:45 PM CDTHail 0.75Woodville, TX
Aug 3, 8:05 PM CDTThunderstorm WindWoodville, TX

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

Lake Charles Mun, LA (KLCH), launched 00:00Z, 0.7 hours before the alert went out and 132 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, Lake Charles Mun, LA at 00:00Z on 2000-08-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1180 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, Lake Charles Mun, LA at 00:00Z on 2000-08-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 square meters per square second.1939Sfc1 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
1180 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
1249 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
24 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 KLCH 040042
SVRLCH
TXC457-040145-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
739 PM CDT THU AUG 3 2000

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  TYLER COUNTY IN SOUTHEAST TEXAS

* UNTIL 845 PM CDT

* AT 735 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
SEVERE THUNDERSTORM 5 MILES SOUTHEAST OF WOODVILLE IN CENTRAL TYLER COUNTY
...MOVING WEST AT 20 MPH.

* THIS STORM WILL BE NEAR...
  WOODVILLE BY 745 PM CDT

SEVERE THUNDERSTORMS PRODUCE WINDS IN EXCESS OF 60 MPH...DESTRUCTIVE
HAIL...DEADLY LIGHTNING AND TORRENTIAL RAIN.

CALL 337-477-5285 T\O REPORT SEVERE WEATHER TO THE WEATHER SERVICE.

LAT...LON 3061 9429 3085 9420 3091 9455 3070 9458

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Lake Charles, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 3, 2:07 PM CDT, 5 hours 32 minutes earlier.

Area forecast discussion, Aug 3, 2:07 PM CDT, 5 hours 32 minutes before
SOUTHEAST TEXAS AND SOUTHWEST LOUISIANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
207 PM CDT THU AUG 3 2000

500 MB TROF AXIS(SHEAR ZONE) CONTINUES TO LINGER ACROSS THE AREA
THIS AFTERNOON AND IS RESPONSIBLE FOR THE SCATTERED SHOWERS AND
THUNDERSTORMS ACROSS THE AREA. DURING THIS FORECAST PERIOD THE
SHEAR ZONE WILL REMAIN ACROSS THE AREA IN SOME FORM OR ANOTHER.
WITH MOISTURE MORE ABUNDANT ACROSS THE EASTERN HALF OF THE FORECAST
AREA...AT LEAST ON FRIDAY...I WILL GO WITH HIGHER POPS ACROSS THE
EAST. AS THE SHEAR ZONE BECOMES PARALLEL TO THE COAST ON SATURDAY
I WILL GO WITH MORE UNIFORM WITH THE POPS ACROSS THE AREA.

I WILL STAY FAIRLY CLOSE TO NGM MOS TEMPS.

10

.LCH...
LA...NONE.
TX...NONE.

PRELIM NUMBERS...
AEX 71/94/72/94 2323
BPT 74/93/74/93 1213
LCH 74/92/74/92 2323
LFT 74/90/74/92 2423

Nearby

Severe Thunderstorm Warnings in Texas, 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.