Alert archive / Texas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 105, NWS Lake Charles, LA

April 23, 2000Hardin County, Tyler County, Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at Apr 23, 2000, 8:08 AM CDT for Hardin County, Tyler County, Texas. It was in force for 67 min. 2 reports 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 23, 2000, 8:08 AM CDT (13:08 UTC)
Expired
Apr 23, 2000, 9:15 AM CDT
In force
67 min
Issued by
NWS Lake Charles, LA
Area
Whole counties

Counties Hardin County, TX, Tyler County, TX

The radar

The Lake Charles radar (KLCH), 122 km from the middle of the area, began a volume at 13:09 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 23, 8:15 AM CDTHail 0.75Votaw, TX
Apr 23, 8:25 AM CDTHail 0.75Village Mills, 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 12:00Z, 1.1 hours before the alert went out and 123 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 12:00Z on 2000-04-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 12:00Z on 2000-04-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 212 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
833 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
212 m²/s²
0-3 km storm-relative helicity
332 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

327 
WUUS54 KLCH 231309
SVRLCH
TXC199-457-231415-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
808 AM CDT SUN APR 23 2000

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

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

* UNTIL 915 AM CDT

* AT 804 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 24 MILES WEST OF KOUNTZE...MOVING EAST AT 50
  MPH.

* THIS STORM WILL BE NEAR...
  WARREN...WILDWOOD BY 825 AM CDT
  HILLISTER...IVANHOE BY 830 AM CDT
  FRED BY 840 AM CDT

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

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

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 Apr 23, 3:51 AM CDT, 4 hours 17 minutes earlier.

Area forecast discussion, Apr 23, 3:51 AM CDT, 4 hours 17 minutes before
SOUTHEAST TEXAS AND SOUTHWEST LOUISIANA FORECAST
DISCUSSION...CORRECTED...
NATIONAL WEATHER SERVICE LAKE CHARLES LA
230 AM CDT SUN APR 23 2000

WATCH / WARNING CODE CORRECTED TO NONE...

MODELS PROG UPPER LEVEL DIVERGENCE OVER THE FORECAST AREA THIS
MORNING AND MAINLY INTO MID-DAY AHEAD OF A WEAK AND WEAKENING UPPER
LEVEL TROUGH. THE TROUGH AXIS SHOULD MOVE EAST THROUGH THE FORECAST
AREA TONIGHT. WEAK TO MODERATE /STRONGER NORTH/ Q-VECTOR CONVERGENCE
WILL SHIFT EAST ACROSS THE AREA TODAY AHEAD OF MID-LEVEL TROUGH
PROGGED TO MOVE THROUGH EAST TEXAS THIS EVENING AND THROUGH EASTERN
EXTREMES OF THE AREA MONDAY MORNING. A MID-LEVEL RIDGE WILL BUILD
INTO THE AREA MONDAY. WEAK TO MODERATE LOW- TO MID-LEVEL LIFT /700 MB
OMEGA/ IS PROGGED FOR THE AREA TODAY TO DIMINISH TONIGHT. MEAN
RELATIVE HUMIDITIES ARE PROGGED AT HIGH LEVELS NORTHERN HALF OF THE
AREA TODAY INTO EARLY AFTERNOON. BY EVENING DRIER AIR IS PROGGED OVER
THE AREA. IT WILL BE EVEN DRIER MONDAY. ETA PRODUCES SOME LIGHT RAIN
OVER ALL BUT THE EASTERN EXTREMES OF THE AREA THIS MORNING AND OVER
MUCH OF THE AREA THIS AFTERNOON. NO RAIN IS PROGGED FOR TONIGHT AND
MONDAY.

MOISTURE APPEARS TO BE LACKING OVER THE SOUTH PART OF THE AREA TODAY.
THOUGH MOISTURE WILL BE HIGHER NORTH HALF...CURRENT RADAR TRENDS
INDICATE BROKEN TO NUMEROUS COVERAGE OF SHOWERS AND THUNDERSTORMS
WILL PROBABLY BE NORTH OF THE FORECAST AREA TODAY. WILL CALL FOR 40
PERCENT CHANCE POPS NORTH TO 30 PERCENT SOUTH TODAY. TOO DRY FOR RAIN
TONIGHT OR MONDAY EXCEPT MAYBE EXTREME EAST THIS EVENING.

SPARKS

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

PRELIMINARY NUMBERS...
LCH 82/64/85/59 3--0
LFT 79/63/85/58 2=2-0
AEX 82/60/85/54 5--0
BPT 83/62/87/59 3--0

The office that day

Everything else NWS Lake Charles, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 23, 6:13 AM CDTSevere Thunderstorm WarningLCHHardin47 min

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; radar from the NEXRAD Level II archive.