Alert archive / Louisiana / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 166, NWS Lake Charles, LA

August 31, 2000Lafayette Parish, Saint Landry Parish, Saint Martin Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Aug 31, 2000, 8:20 PM CDT for Lafayette Parish, Saint Landry Parish, Saint Martin Parish, Louisiana. It was in force for 55 min. 4 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 31, 2000, 8:20 PM CDT (01:20 UTC)
Expired: Aug 31, 2000, 9:15 PM CDT
In force: 55 min
Issued by: NWS Lake Charles, LA
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Lafayette Parish, LA, Saint Landry Parish, LA, Saint Martin Parish, LA

The radar

The Ft Polk radar (KPOE), 133 km from the middle of the area, began a volume at 01:20 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
Aug 31, 9:00 PM CDT	Thunderstorm Wind	Carencro, LA
Aug 31, 9:04 PM CDT	Thunderstorm Wind	Arnaudville, LA
Aug 31, 9:10 PM CDT	Hail 0.75	Lafayette, LA
Aug 31, 9:11 PM CDT	Thunderstorm Wind 59 M	Lafayette Arpt, 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 nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 1.3 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-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: 109 J/kg
Mixed-layer CIN: -171 J/kg
Mixed-layer LCL: 3107 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 10 m²/s²
0-3 km storm-relative helicity: 88 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 010121
SVRLCH
LAC055-097-099-010215-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
820 PM CDT THU AUG 31 2000

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ST. LANDRY PARISH IN CENTRAL LOUISIANA...
  ST. MARTIN PARISH IN SOUTH CENTRAL LOUISIANA...
  LAFAYETTE PARISH IN SOUTH CENTRAL LOUISIANA

* UNTIL 915 PM CDT

* AT 817 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 18 MILES NORTH OF BREAUX BRIDGE...MOVING
  SOUTHWEST AT 20 MPH.

* THIS STORM WILL BE NEAR...
  LEONVILLE BY 835 PM CDT
  CECILIA BY 845 PM CDT
  HENDERSON BY 850 PM CDT
  BREAUX BRIDGE...CARENCRO BY 900 PM CDT
  PARKS BY 905 PM CDT
  LAFAYETTE BY 915 PM CDT

DESTRUCTIVE WINDS CAN BE EXPECTED - TAKE COVER NOW! VEHICLES AND
MOBILE HOMES ARE NOT SAFE.

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

LAT...LON 3057 9176 3064 9195 3018 9211 3018 9177

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 31, 8:38 PM CDT	Tornado Warning	LCH	Lafayette, Saint Landry, Saint Martin	67 min
Aug 31, 9:27 PM CDT	Tornado Warning	LCH	Iberia, Vermilion	63 min
Sep 1, 3:19 PM CDT	Severe Thunderstorm Warning	LCH	Avoyelles, Rapides	56 min
Sep 1, 3:28 PM CDT	Severe Thunderstorm Warning	LCH	Allen	47 min
Sep 1, 3:49 PM CDT	Severe Thunderstorm Warning	LCH	Jefferson Davis	41 min
Sep 1, 4:14 PM CDT	Severe Thunderstorm Warning	LCH	Rapides	61 min
Sep 1, 4:29 PM CDT	Severe Thunderstorm Warning	LCH	Evangeline	46 min
Sep 1, 5:01 PM CDT	Severe Thunderstorm Warning	LCH	Beauregard, Calcasieu	59 min
Sep 1, 5:28 PM CDT	Severe Thunderstorm Warning	LCH	Acadia	62 min
Sep 1, 5:58 PM CDT	Severe Thunderstorm Warning	LCH	Calcasieu	47 min
Sep 1, 6:30 PM CDT	Severe Thunderstorm Warning	LCH	Allen	45 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 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.