Alert archive / Louisiana / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 70, NWS Lake Charles, LA

April 2, 2000Saint Landry Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Apr 2, 2000, 8:29 PM CDT for Saint Landry Parish, Louisiana. It was in force for 61 min. 2 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
Apr 2, 2000, 8:29 PM CDT (01:29 UTC)
Expired
Apr 2, 2000, 9:30 PM CDT
In force
61 min
Issued by
NWS Lake Charles, LA
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Saint Landry Parish, LA

The radar

The Ft Polk radar (KPOE), 110 km from the middle of the area, began a volume at 01:28 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
Apr 2, 8:30 PM CDTHail 0.75Opelousas, LA
Apr 2, 8:35 PM CDTThunderstorm WindPalmetto, 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.

IssuedProductOfficeLasted
Apr 2, 6:00 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 1.5 hours before the alert went out and 125 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 00:00Z on 2000-04-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 656 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 00:00Z on 2000-04-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 95 square meters per square second.19395878Sfc1 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
656 J/kg
Mixed-layer CIN
-45 J/kg
Mixed-layer LCL
541 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
95 m²/s²
0-3 km storm-relative helicity
251 m²/s²
Significant tornado parameter
1.0
Supercell composite
9.2

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KLCH 030131
SVRLCH
LAC097-030230-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
829 PM CDT SUN APR 2 2000

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

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

* UNTIL 930 PM CDT

* AT 825 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER OPELOUSAS...MOVING NORTHEAST AT 40 MPH.

* THIS STORM WILL BE NEAR...
  PALMETTO BY 845 PM CDT
  PORT BARRE BY 835 PM CDT
  MELVILLE BY 850 PM CDT

SEVERE THUNDERSTORMS PRODUCE WINDS IN EXCESS OF 60 MPH...DESTRUCTIVE
HAIL...DEADLY LIGHTNING AND TORRENTIAL RAIN.

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT MONDAY MORNING
FOR SOUTHWESTERN LOUISIANA AND SOUTHEAST TEXAS.

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

LAT...LON 3055 9223 3042 9207 3065 9174 3085 9185v

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 Apr 2, 7:54 PM CDT, 35 minutes earlier.

Area forecast discussion, Apr 2, 7:54 PM CDT, 35 minutes before
SOUTHEAST TEXAS AND SOUTHWEST LOUISIANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
754 PM CDT SUN APR 2 2000

TORNADO WATCH CONTINUES FOR THE LCH CWA. TWO IMPRESSIVE SUPERCELLS
HAVE CAUSED QUITE A BIT OF DAMAGE IN CAMERON...CALCASIEU...AND
EVANGELINE PARISHES THIS EVENING. THE ATMOSPHERE IS STILL PRIMED
FOR MORE SEVERE WEATHER...SO WILL NOT CHANGE ZONES THIS EVENING.  15

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

AFTERNOON TPRELIMINARY NUMBERS...
LCH 67/72/49/65 8820
BPT 68/74/47/65 7710
LFT 68/74/52/60 8840
AEX 65/68/47/58 7720

In the hours before

Local storm report, Apr 2, 6:43 PM CDT, 1 hour 46 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
643 PM CDT SUN APR 2 2000

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

0640 PM    HACKBERRY                LA    TORNADO
04/2/00    CAMERON                        TORNADO ON THE GROUND...AS
                                          OF THIS LOCAL STORM
                                          REPORT...NUMEROUS CALELS

FN
Local storm report, Apr 2, 6:59 PM CDT, 1 hour 30 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
659 PM CDT SUN APR 2 2000

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

0700 PM    LAKE CHARLES             LA    1.50 INCH HAIL
04/2/00    CALCASIEU                      REPORTED BY NATIONAL WEATHER
                                          SERVICE LAKE CHARLES

FN
Local storm report, Apr 2, 7:03 PM CDT, 1 hour 26 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
703 PM CDT SUN APR 2 2000

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

0645 PM    MAMOU                    LA    TORNADO
04/2/00    EVANGELINE                     INJURIES...DAMAGE...WILL
                                          UPDATE WHEN WE GET
                                          MORE INFORMATION

FeN
Local storm report, Apr 2, 7:08 PM CDT, 1 hour 21 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
708 PM CDT SUN APR 2 2000

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

0645 PM    VILLE PLATTE             LA    .75 INCH HAIL
04/2/00    EVANGELINE                     REPORTED BY SHERIFFS DEPT

FN
Local storm report, Apr 2, 7:32 PM CDT, 57 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
732 PM CDT SUN APR 2 2000

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....
D
0628 PM    EUNICE                   LA    WIND DAMAGE
04/2/00    ST. LANDRY                     TREES/POWERLINES DOWN

FN
Local storm report, Apr 2, 7:42 PM CDT, 47 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
742 PM CDT SUN APR 2 2000

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

0642 PM    GRAND LAKE               LA    TORNADO
04/2/00    CAMERON                        ONE HOME DESTROYED
                                          ...ANOTHER HOME
                                          SEVERELY DAMAGED.
                                          REPORTED BY NWS
                                          EMPLOYEE

FN

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 2, 7:07 PM CDTSevere Thunderstorm WarningLCHAvoyelles68 min
Apr 2, 7:18 PM CDTSevere Thunderstorm WarningLCHJefferson Davis57 min
Apr 2, 7:25 PM CDTSevere Thunderstorm WarningLCHSaint Landry65 min
Apr 2, 7:44 PM CDTSevere Thunderstorm WarningLCHAcadia, Evangeline61 min
Apr 2, 10:59 PM CDTSevere Thunderstorm WarningLCHBeauregard61 min
Apr 2, 11:30 PM CDTSevere Thunderstorm WarningLCHVernon60 min
Apr 2, 11:56 PM CDTSevere Thunderstorm WarningLCHAllen, Rapides64 min
Apr 3, 12:01 AM CDTSevere Thunderstorm WarningLCHBeauregard59 min
Apr 3, 3:37 AM CDTTornado WarningLCHBeauregard, Vernon68 min
Apr 3, 4:45 AM CDTSevere Thunderstorm WarningLCHCalcasieu60 min
Apr 3, 5:00 AM CDTTornado WarningLCHCalcasieu60 min
Apr 3, 5:22 AM CDTTornado WarningLCHJefferson Davis53 min
Apr 3, 5:32 AM CDTSevere Thunderstorm WarningLCHCameron58 min
Apr 3, 5:51 AM CDTSevere Thunderstorm WarningLCHAcadia, Allen, Evangeline, Jefferson Davis54 min
Apr 3, 5:51 AM CDTSevere Thunderstorm WarningLCHSaint Landry54 min
Apr 3, 6:09 AM CDTTornado WarningLCHAcadia66 min
Apr 3, 6:34 AM CDTSevere Thunderstorm WarningLCHLafayette56 min
Apr 3, 6:38 AM CDTSevere Thunderstorm WarningLCHLafayette67 min
Apr 3, 6:49 AM CDTSevere Thunderstorm WarningLCHSaint Landry56 min
Apr 3, 6:57 AM CDTSevere Thunderstorm WarningLCHVermilion63 min
Apr 3, 7:07 AM CDTSevere Thunderstorm WarningLCHSaint Martin68 min
Apr 3, 7:27 AM CDTSevere Thunderstorm WarningLCHIberia, St. Mary63 min
Apr 3, 10:26 AM CDTSevere Thunderstorm WarningLCHBeauregard, Calcasieu64 min
Apr 3, 10:26 AM CDTSevere Thunderstorm WarningLCHAllen64 min
Apr 3, 11:00 AM CDTSevere Thunderstorm WarningLCHEvangeline, Rapides60 min
Apr 3, 11:00 AM CDTSevere Thunderstorm WarningLCHBeauregard60 min
Apr 3, 11:37 AM CDTSevere Thunderstorm WarningLCHAvoyelles68 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; radar from the NEXRAD Level II archive.