Alert archive / Louisiana / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 176, NWS Lake Charles, LA

September 1, 2000Calcasieu Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Sep 1, 2000, 5:58 PM CDT for Calcasieu Parish, Louisiana. It was in force for 47 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
Sep 1, 2000, 5:58 PM CDT (22:58 UTC)
Expired
Sep 1, 2000, 6:45 PM CDT
In force
47 min
Issued by
NWS Lake Charles, LA
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Calcasieu Parish, LA

What was reported inside it

TimeReportWhereRemark
Sep 1, 5:59 PM CDTThunderstorm WindSulphur, 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, 11.0 hours before the alert went out and 14 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 2000-09-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1698 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 2000-09-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 69 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
1698 J/kg
Mixed-layer CIN
-214 J/kg
Mixed-layer LCL
1665 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
69 m²/s²
0-3 km storm-relative helicity
123 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KLCH 012259
SVRLCH
LAC019-012345-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
558 PM CDT FRI SEP 1 2000

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

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

* UNTIL 645 PM CDT

* AT 554 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 6 MILES NORTH OF SULPHUR...MOVING SOUTH AT 15
  MPH.

* THIS STORM WILL BE NEAR...
  WESTLAKE AND SULPHUR BY 610 PM CDT
  LAKE CHARLES...CARLYSS BY 620 PM 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 3035 9317 3033 9350 3007 9347 3006 9307

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 Sep 1, 2:23 PM CDT, 3 hours 35 minutes earlier.

Area forecast discussion, Sep 1, 2:23 PM CDT, 3 hours 35 minutes before
SOUTHEAST TEXAS AND SOUTHWEST LOUISIANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
223 PM CDT FRI SEP 1 2000

AT MID AND UPPER LEVELS SHORTWAVE TROUGH AXIS WILL MOVE THROUGH
UPPER RIDGE OVER TEXAS / LOUISIANA INTO THE ARKLATEX SATURDAY MORNING
THEN SHIFT SOUTHEAST INTO THE NORTHWEST EXTREMES OF THE FORECAST AREA
SATURDAY EVENING. TROUGH WILL MOVE THROUGH THE EASTERN EXTREMES OF
THE AREA LATE SUNDAY. MODELS ARE HOWEVER NOT PROGGING ANY SIGNIFICANT
700-300 MB Q-VECTOR CONVERGENCE FOR THE LOCAL AREA IN ASSOCIATION
WITH THIS DISTURBANCE. AT LOW TO MID LEVELS ETA / AVN PROG MODERATE
OMEGA FOR AT LEAST THE NORTHERN 1/3 OF THE AREA THIS EVENING AND FOR
MUCH OF THE AREA SATURDAY AND SUNDAY. MOISTURE PROGS CONTINUE TO SHOW
A LAYER OF MOISTURE AROUND 700 MB WITH DRY AIR ABOVE AND BELOW. AT
THE SURFACE...A LOW PRESSURE TROUGH GENERALLY ORIENTED EAST TO WEST
WILL HANG OUT MOVER MAINLY NORTHERN PARTS OF THE AREA THROUGH
SUNDAY.

WILL CALL FOR A CHANCE OF MAINLY LATE AFTERNOON AND EVENING SHOWERS
AND THUNDERSTORMS THROUGH SATURDAY. A PATTERN SIMILAR TO THAT OF
THE PAST COUPLE OF DAYS IS PROGGED TO CONTINUE. APPROACHING UPPER
TROUGH COULD AUGMENT SOMEWHAT THINNER MOISTURE TO HELP PRODUCE
STORMS. TEMPERATURES WILL CONTINUE HOT WITH HIGHEST HEAT INDEXES
AROUND 110 SO WILL CONTINUE HEAT ADVISORY FOR SATURDAY.

.LCH...
LA...HEAT ADVISORY FOR SATURDAY...LAZ027>033-041>045-051>055....
TX...HEAT ADVISORY FOR SATURDAY...TXZ180>182-201-215-216...
...OZONE ACTION DAY SATURDAY...ORANGE/JEFFERSON/HARDIN COUNTIES
...TXZ201-215-216...

.PRELIMINARY NUMBERS...
AEX 73/101/71/99 2323
BPT 74/ 99/72/98 3323
LCH 75/ 99/72/98 2323
LFT 74/ _99/72/98 2323

20 / SPARKS

In the hours before

Local storm report, Sep 1, 4:14 PM CDT, 1 hour 44 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
414 PM CDT FRI SEP 1 2000

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0400 PM      CHENEYVILLE            LA     1.75 INCH HAIL
09/01/00     RAPIDES

0328 PM      KINDER                 LA     WIND DAMAGE
09/01/00     ALLEN                         TREE DOWN ON HWY 190 IN
                                           WEST KINDER AS REPORTED
                                           BY CITY POLICE.

THM
Local storm report, Sep 1, 4:37 PM CDT, 1 hour 21 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
437 PM CDT FRI SEP 1 2000

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0418 PM      EVADALE                TX     WIND DAMAGE
09/01/00     JASPER                        TREES AND POWERLINES DOWN
                                           AS REPORTED BY SHERIFFS
                                           DEPT.
B
0348 PM      FENTON                 LA     WIND DAMAGE
09/01/00     JEFFERSON DAVIS               POWER OUTAGES REPORTED BY
                                           FENTON POLICE.

THM
Local storm report, Sep 1, 4:45 PM CDT, 1 hour 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
445 PM CDT FRI SEP 1 2000

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0420 PM      EVADALE                TX     WIND DAMAGE
09/01/00     JASPER                        TREES AND POWERLINES DOWN
                                           REPORTED BY HARDIN
                                           911.

THM$
Local storm report, Sep 1, 4:53 PM CDT, 1 hour 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
453 PM CDT FRI SEP 1 2000

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0416 PM      WOODWORTH              LA     WIND DAMAGE
09/01/00     RAPIDES                       TWO TREES DOWN ON HWY 165
                                           AS REPORTED BY RAPIDES
                                           911.

THM
Local storm report, Sep 1, 5:11 PM CDT, 47 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
511 PM CDT FRI SEP 1 2000

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0500 PM      17 NW PORT ARTHUR      TX    1.75 INCH HAIL
09/01/00     JEFFERSON                    SOUTH OF BEVEL OAKS AS
                                          REPORTED BY SHERIFFS
                                          DEPT.

THM
Local storm report, Sep 1, 5:45 PM CDT, 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
545 PM CDT FRI SEP 1 2000

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0454 PM    1 E SOUR LAKE           TX     WIND DAMAGE
09/01/00   HARDIN                         TREES BLOWN DOWN AT
                                          COUNTRY WOOD AS REPORTED
                                          BY PUBLIC.

TH,M

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 31, 8:20 PM CDTSevere Thunderstorm WarningLCHLafayette, Saint Landry, Saint Martin55 min
Aug 31, 8:38 PM CDTTornado WarningLCHLafayette, Saint Landry, Saint Martin67 min
Aug 31, 9:27 PM CDTTornado WarningLCHIberia, Vermilion63 min
Sep 1, 3:19 PM CDTSevere Thunderstorm WarningLCHAvoyelles, Rapides56 min
Sep 1, 3:28 PM CDTSevere Thunderstorm WarningLCHAllen47 min
Sep 1, 3:49 PM CDTSevere Thunderstorm WarningLCHJefferson Davis41 min
Sep 1, 4:14 PM CDTSevere Thunderstorm WarningLCHRapides61 min
Sep 1, 4:29 PM CDTSevere Thunderstorm WarningLCHEvangeline46 min
Sep 1, 5:01 PM CDTSevere Thunderstorm WarningLCHBeauregard, Calcasieu59 min
Sep 1, 5:28 PM CDTSevere Thunderstorm WarningLCHAcadia62 min
Sep 1, 6:30 PM CDTSevere Thunderstorm WarningLCHAllen45 min

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.