Alert archive / Louisiana / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 13, NWS Lake Charles, LA

April 8, 2002Beauregard Parish, Vernon Parish, Louisiana; Newton County, Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at Apr 8, 2002, 2:49 AM CDT for Beauregard Parish, Vernon Parish, Louisiana; Newton County, Texas. It was in force for 56 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Apr 8, 2002, 2:49 AM CDT (07:49 UTC)
Expired: Apr 8, 2002, 3:45 AM CDT
In force: 56 min
Issued by: NWS Lake Charles, LA
Area: Counties, with a storm outline in the text

Counties Beauregard Parish, LA, Vernon Parish, LA, Newton County, TX

What was reported inside it

Time	Report	Where	Remark
Apr 8, 3:15 AM CDT	Thunderstorm Wind	De Ridder, LA

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.

Issued	Product	Office	Lasted
Apr 8, 1:15 AM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 7.8 hours before the alert went out and 93 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: 645 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 735 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 115 m²/s²
0-3 km storm-relative helicity: 193 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 2.4

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KLCH 080749
SVRLCH
LAC011-115-TXC351-080845-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
248 AM CDT MON APR 8 2002

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  VERNON PARISH IN WEST CENTRAL LOUISIANA
  BEAUREGARD PARISH IN SOUTHWEST LOUISIANA
  NEWTON COUNTY IN SOUTHEAST TEXAS

* UNTIL 345 AM CDT

* AT 236 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A SEVERE THUNDERSTORM 3 MILES SOUTH OF LEESVILLE...MOVING EAST     
  AT 20 MPH.

* THIS STORM WILL BE NEAR...
  FORT POLK BY 255 AM CDT
  ROSEPINE...SIMPSON...FIELDS BY 300 AM CDT
  DE RIDDER BY 305 AM CDT
  SINGER BY 310 AM CDT
  ORETTA BY 325 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.

LAT...LON 3122 9349 3049 9366 3053 9321 3128 9288

K. KUYPER

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 8, 3:09 AM CDT	Special Marine Warning	LCH		111 min
Apr 8, 3:36 AM CDT	Severe Thunderstorm Warning	LCH	Allen, Beauregard	54 min
Apr 8, 3:54 AM CDT	Severe Thunderstorm Warning	LCH	Calcasieu, Jefferson Davis	66 min
Apr 8, 4:08 AM CDT	Severe Thunderstorm Warning	LCH	Evangeline, Rapides	52 min
Apr 8, 4:09 AM CDT	Severe Thunderstorm Warning	LCH	Jefferson Davis	51 min
Apr 8, 4:25 AM CDT	Severe Thunderstorm Warning	LCH	Avoyelles	65 min
Apr 8, 4:30 AM CDT	Severe Thunderstorm Warning	LCH	Allen	30 min
Apr 8, 10:14 AM CDT	Special Marine Warning	LCH		61 min
Apr 8, 11:24 AM CDT	Flash Flood Warning	LCH	Iberia, Vermilion	3 hr
Apr 8, 2:06 PM CDT	Special Marine Warning	LCH		69 min
Apr 8, 1:47 AM CDT	Severe Thunderstorm Warning	LCH	Hardin, Jasper, Tyler	58 min
Apr 8, 2:47 AM CDT	Severe Thunderstorm Warning	LCH	Jasper, Jefferson, Orange	58 min
Apr 8, 2:50 AM CDT	Severe Thunderstorm Warning	LCH	Jasper, Jefferson, Orange	55 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 2002 Severe Thunderstorm Warnings in Texas, 2002 Every severe thunderstorm warning in 2002

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.