Alert archive / Louisiana / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 150, NWS Lake Charles, LA

August 16, 2000Vermilion Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Aug 16, 2000, 5:41 PM CDT for Vermilion Parish, Louisiana. It was in force for 64 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 16, 2000, 5:41 PM CDT (22:41 UTC)
Expired
Aug 16, 2000, 6:45 PM CDT
In force
64 min
Issued by
NWS Lake Charles, LA
Area
Whole counties

County Vermilion Parish, LA

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 10.7 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-pSkew-T log-p diagram, Lake Charles Mun, LA at 12:00Z on 2000-08-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 728 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 2000-08-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -23 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
728 J/kg
Mixed-layer CIN
-111 J/kg
Mixed-layer LCL
1208 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
-23 m²/s²
0-3 km storm-relative helicity
-12 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 162243
SVRLCH
LAC113-162345-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
541 PM CDT WED AUG 16 2000

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

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

* UNTIL 645 PM CDT

* AT 538 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A SEVERE THUNDERSTORM OVER WEST CENTRAL VERMILION PARISH...MOVING  
  WEST AT 5 MPH.

* THIS STORM WILL BE NEAR...
  GUEYDAN BY 630 PM CDT
  
SEVERE THUNDERSTORMS PRODUCE WINDS IN EXCESS OF 60 MPH...DESTRUCTIVE
HAIL...DEADLY LIGHTNING AND TORRENTIAL RAIN.

CALL 337-477-5285 TO REP?ORT 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 Aug 16, 2:20 PM CDT, 3 hours 21 minutes earlier.

Area forecast discussion, Aug 16, 2:20 PM CDT, 3 hours 21 minutes before
SOUTHEAST TEXAS AND SOUTHWEST LOUISIANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
220 PM CDT WED AUG 16 2000

KLCH/KPOE 88D SHOW RW/TRW POPPING UP NW-SE IN NRN FCST AREA ALONG
MOISTURE AXIS. NOTHING HAPPENING YET ALONG THE SEA BREEZE WHICH IS
BEING SHUNTED ALONG THE CST W/ NRLY LO-LVL FLOW. WILL TAKE A FINAL
LOOK NEAR PRESS TIME TO DECIDE ON EVE POPS.

CONTINUATION OF HOT DRY WX IN STORE AS HI PRES REMAINS IN CONTROL
ALF. THE HI NOW CENTERED OVER THE SWRN MO VALLEY WILL BUILD SWRD &
SPREAD WWRD THRU THE PERIOD. SIG S/WVS WILL PASS S OF AREA AS RIDGE
AXIS DROPS TO NRN LA/NERN TX BY END OF PERIOD. MEANWHILE SFC HI PRES
REMAINS CENTERED OVER THE NWRN GULF. MODEL PWATS & MEAN RHS DROP
THRU THU NGT BEFORE STARTING A REBOUND FRI. MAIN FOCUS FOR CONV-
ECTION WILL AGAIN BE THE SEA BREEZE BOUNDARY. ADEQUATE INSTABILITY/
ENERGY AVAILABLE TO SUPPORT AN ISOLATED MENTION FOR SRN-MOST ZONES.
WILL DECIDE ON NRN-MOST ZONES NEARER PRESS TIME.

CONTINUED HOT W/ H8 TEMPS RUNNING 20/22C. OUTSIDE OF THE 99 FOR BPT
THU...FWC TEMPS LOOK FINE THIS FCST.

UPR HI BEGINS TO PUSH W BY END OF EXTENDED...ALLOWING A VORT TO PASS
JUST E OF THE FCST AREA. DISSIPATING FNTL BOUNDARY IN ASSOCIATION W/
THIS FEATURE TO DROP TO THE CST BY MON. WILL ALLOW FOR ISOLATED SEA
BREEZE TRW INTO SUN THEN GO W/ CHC POPS MON W/ ADDITION OF THE
VORT/FNT.

.LCH...NONE.
LA...NONE.
TX...OZONE ACTION DAY THU TXZ201-215-216.

.PRELIM NUMBERS...
BPT 74/96/75/95 11-1
LCH 75/97/74/96 11-1
LFT 75/96/75/95 11-1
AEX 74/99/74/97 1-01

LGE

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; the sounding from the Mesonet's radiosonde archive.