Alert archive / Texas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 76, NWS Lake Charles, LA

April 3, 2000Hardin County, Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at Apr 3, 2000, 2:30 AM CDT for Hardin County, Texas. It was in force for 60 min. 1 report 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: Apr 3, 2000, 2:30 AM CDT (07:30 UTC)
Expired: Apr 3, 2000, 3:30 AM CDT
In force: 60 min
Issued by: NWS Lake Charles, LA
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Hardin County, TX

The radar

The Houston radar (KHGX), 114 km from the middle of the area, began a volume at 07:30 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

Time	Report	Where	Remark
Apr 3, 2:55 AM CDT	Hail 0.75	Countywide, 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, 7.5 hours before the alert went out and 120 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 656 J/kg
Mixed-layer CIN: -45 J/kg
Mixed-layer LCL: 541 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 95 m²/s²
0-3 km storm-relative helicity: 251 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 9.2

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KLCH 030741 COR
SVRLCH
TXC199-030830-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING...CORRECTION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
230 AM CDT MON APR 3 2000

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

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

* UNTIL 330 AM CDT

* AT 232 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A SEVERE THUNDERSTORM 3 MILES SOUTHWEST OF KOUNTZE...MOVING        
  NORTHEAST AT 30 MPH.

* THIS STORM WILL BE NEAR...
  KOUNTZE BY 240 AM CDT
  SILSBEE BY 250 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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 500 AM CDT MONDAY
MORNING FOR SOUTHWEST LOUISIANA.

LAT...LON 3033 9466 3013 9439 3030 9407 3053 9436

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 2, 10:59 PM CDT	Severe Thunderstorm Warning	LCH	Newton	61 min
Apr 2, 11:03 PM CDT	Severe Thunderstorm Warning	LCH	Jasper	42 min
Apr 3, 3:00 AM CDT	Severe Thunderstorm Warning	LCH	Jasper	60 min
Apr 3, 3:13 AM CDT	Severe Thunderstorm Warning	LCH	Newton	47 min
Apr 3, 3:51 AM CDT	Severe Thunderstorm Warning	LCH	Jefferson	54 min
Apr 3, 4:08 AM CDT	Severe Thunderstorm Warning	LCH	Jefferson, Orange	67 min
Apr 3, 4:08 AM CDT	Tornado Warning	LCH	Jefferson	67 min
Apr 3, 4:20 AM CDT	Tornado Warning	LCH	Orange	55 min
Apr 3, 9:00 AM CDT	Severe Thunderstorm Warning	LCH	Jefferson, Orange	60 min

Nearby

Severe Thunderstorm Warnings in Texas, 2000 Every 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.