Alert archive / Louisiana / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 142, NWS Lake Charles, LA

August 2, 2000Beauregard Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Aug 2, 2000, 4:55 PM CDT for Beauregard Parish, Louisiana. It was in force for 65 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
Aug 2, 2000, 4:55 PM CDT (21:55 UTC)
Expired
Aug 2, 2000, 6:00 PM CDT
In force
65 min
Issued by
NWS Lake Charles, LA
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Beauregard Parish, LA

The radar

The Ft Polk radar (KPOE), 49 km from the middle of the area, began a volume at 21:55 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
Aug 2, 5:02 PM CDTThunderstorm WindDe 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 nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 9.9 hours before the alert went out and 70 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 2000-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1578 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°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 2000-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 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
1578 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
809 m above ground
0-6 km bulk shear
0 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
0 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.

572 
WUUS54 KLCH 022203
SVRLCH
LAC011-022300-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
455 PM CDT WED AUG 2 2000

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BEAUREGARD PARISH IN SOUTHWEST LOUISIANA

* UNTIL 600 PM CDT

* AT 449 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER CENTRAL BEAUREGARD PARISH...MOVING
  SOUTHEAST AT 5 MPH.

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 3089 9323 3069 9335 3052 9319 3078 9298

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 2, 2:07 PM CDT, 2 hours 48 minutes earlier.

Area forecast discussion, Aug 2, 2:07 PM CDT, 2 hours 48 minutes before
SOUTHEAST TEXAS AND SOUTHWEST LOUISIANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
207 PM CDT WED AUG 2 2000

IT LUKS LIKE THE 500 MB TROF AXIS THAT IS IN PLACE ACROSS THE AREA IS
GOING NO PLACE FAST. 500 MB RIDGE WILL REMAIN ACROSS THE WESTERN
UNITED STATES WITH NOTHING TO PUSH THE TROF TO THE EAST. SO WOULD
SUSPECT THAT THE 500 MB TROF WILL REMAIN ACROSS THE FA THROUGH THE
PD. WOULD EXPECT ACTIVITY SIMILAR TO TODAYS...WITH WIDELY
SCATTERED-SCATTERED SHOWERS AND THUNDERSTORMS DOTTING THE AREA.

WILL STAY FAIRLY CLOSE TO NGM MOS TEMPS. 10

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

PRELIM NUMBERS...
LCH 73/90/74/91 1312
LFT 72/90/73/90 1313
AEX 71/90/71/90 1312
BPT 73/91/74/91 1312

Nearby

Severe Thunderstorm Warnings in Louisiana, 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.