Alert archive / Louisiana / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 14, NWS Lake Charles, LA

March 10, 2000Saint Landry Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Mar 10, 2000, 6:30 PM CST for Saint Landry Parish, Louisiana. It was in force for 60 min. No storm report in the archive falls 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.

The facts

Issued
Mar 10, 2000, 6:30 PM CST (00:30 UTC)
Expired
Mar 10, 2000, 7:30 PM CST
In force
60 min
Issued by
NWS Lake Charles, LA
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Saint Landry Parish, LA

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Mar 10, 4:00 PM CSTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 0.5 hours before the alert went out and 142 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 2000-03-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1545 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 00:00Z on 2000-03-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 118 square meters per square second.193958Sfc1 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
1545 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
716 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
118 m²/s²
0-3 km storm-relative helicity
163 m²/s²
Significant tornado parameter
0.7
Supercell composite
5.5

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KLCH 110032
SVRLCH
LAC097-110130-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
630 PM CST FRI MAR 10 2000

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

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

* UNTIL 730 PM CST

* AT 630 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A     
  SEVERE THUNDERSTORM NEAR PALMETTO...MOVING SOUTHEAST AT 20 MPH.

* THIS STORM WILL BE NEAR...
  MELVILLE BY 640 PM
  PORT BARRE...KROTZ SPRINGS BY 650 PM
 
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 3083 9178 3072 9212 3048 9197 3048 9165

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 Mar 10, 2:56 PM CST, 3 hours 34 minutes earlier.

Area forecast discussion, Mar 10, 2:56 PM CST, 3 hours 34 minutes before
SOUTHEAST TEXAS AND SOUTHWEST LOUISIANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
256 PM CST FRI MAR 10 2000

MODELS INDICATE UPPER DIVERGENT PATTERN WILL MOVE INTO WESTERN PARTS
OF THE FORECAST AREA BY MIDNIGHT TONIGHT AND MOVE EAST OF...OR
WEAKEN OVER...THE EASTERN EXTREMES OF THE AREA SATURDAY MORNING. MID
AND UPPER LEVEL SHORTWAVE TROUGH AXIS SHOULD BE OVER THE LOCAL AREA
AT MID-DAY SATURDAY. AHEAD OF THIS TROUGH...700-300 MB Q-VECTOR
CONVERGENCE WILL BE INCREASING EXTREME NORTHWEST BY MIDNIGHT TONIGHT
WITH A MODERATE TO STRONG Q-VECTOR CONVERGENCE RIDGE MOVING SOUTHEAST
OVER THE AREA TONIGHT INTO MID-DAY SATURDAY WEAKENING OVER THE EAST
SATURDAY AFTERNOON. AREA OF STRONG UPWARD VERTICAL VELOCITIES /OMEGA/
WILL BEGIN MOVING INTO THE NORTHWESTERN PARTS OF THE AREA THIS
EVENING...MOVE OVER THE NORTHWEST THROUGH THE MIDNIGHT HOURS AND BE
WEAKENING AND EXITING THE SOUTHEAST PART OF THE AREA SATURDAY
MORNING. STRONGEST MID AND UPPER LEVEL INSTABILITY IS PROGGED TO BE
MAINLY ALONG AND BEHIND THE SURFACE FRONT. THE SURFACE COLD FRONT IS
PROGGED TO MOVE INTO THE NORTHWEST EXTREMES OF THE AREA THIS EVENING
AND MOVE OUT TO THE EAST SATURDAY MORNING. MODELS INDICATE THAT THERE
WILL BE HIGH MEAN RELATIVE HUMIDITIES AND MOISTURE BEHIND THE FRONT
FOR THE LOCAL AREA SATURDAY. MEAN RELATIVE HUMIDITY PROGS SHOW
CONSIDERABLE MOISTURE NEAR AND AHEAD OF THE FRONT MOVING EAST OVER
THE NORTHERN PARTS OF THE AREA TONIGHT WITH MOISTURE THINNER AND
MAINLY BEHIND FRONT SOUTH PART. MODERATE TO HIGH MEAN RELATIVE
HUMIDITIES SHOULD LINGER OVER EASTERN PARTS OF THE AREA SATURDAY
MORNING BUT DRY AIR IS PROGGED FOR THE ENTIRE AREA SATURDAY AFTERNOON
THROUGH SUNDAY.

CHANCES OF RAIN WILL BE BETTER IN HIGHER INSTABILITY AND MOISTURE
NORTH PART. WILL KEEP POPS IN LIKELY CATEGORY NORTH PART AND HAVE
MAINLY CHANCE POPS SOUTH PART FOR TONIGHT. WILL CARRY SLIGHT CHANCE
POPS CENTRAL AND CHANCE POPS EAST FOR SATURDAY MORNING IN HIGHER
MOISTURE AND INSTABILITY BEHIND FRONT. NGM MOS TEMPERATURES LOOK
ABOUT RIGHT.

.LCH...SMALL CRAFT ADVISORY CAMERON LOUISIANA TO HIGH ISLAND TEXAS
 LA...SMALL CRAFT ADVISORY GMZZ450-470
 TX...SMALL_ CRAFT ADVISORY GMZ450-470

.PRELIMINARY NUMBERS...
BPT 55/65/43/66 6000
LCH 54/63/40/66 5200
LFT 54/61/40/63 4200
AEX 52/59/38/64 8300

In the hours before

Local storm report, Mar 10, 4:08 PM CST, 2 hours 22 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
408 PM CST FRI MAR 10 2000

TIME(CST)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....!

0400 PM    LEESVILLE                 LA   1.75 INCH HAIL
03/10/00   VERNON                         ESTIMATED WIND GUST TO 60
                                          MPH
Local storm report, Mar 10, 4:34 PM CST, 1 hour 56 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
434 PM CST FRI MAR 10 2000

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

0434 PM    PINEVILLE                 LA   WIND DAMAGE
03/10/00   RAPIDES                        TREES DOWN AND HOUSES
                                          DAMAGED.

0310 PM    NEW LLANO                 LA   .75 INCH HAIL
03/10/00   VERNON                         HAIL COVERED THE GROUND

0315 PM    FORT POLK                 LA   1.75 INCH HAIL
03/10/00   VERNON

0400 PM    1/4 MILE EAST LEESVILLE   LA   1.75 INCH HAIL
03/10/00   VERNON       ]                  ESTIMATED WINDS OF 60 MPH.
Local storm report, Mar 10, 5:06 PM CST, 1 hour 24 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
506 PM CST FRI MAR 10 2000

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

0445 PM    PINEVILLE                 LA   1.75 INCH HAIL
03/10/00   RAPIDES

0453 PM    10 W FORT POLK            LA   TORNADO
03/10/00   VERNON                         FROM TIGER LZ
Local storm report, Mar 10, 5:56 PM CST, 34 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
556 PM CST FRI MAR 10 2000

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

0515 PM    CHESTER                   TX   WIND DAMAGE
03/10/00   TYLER                          TREES BLOWN DOWN ON HWY
                                          256...RPT BY SHERIFF

RE
Local storm report, Mar 10, 6:05 PM CST, 25 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
605 PM CST FRI MAR 10 2000

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

0520 PM    MARKSVILLE                LA   WIND DAMAGE
03/10/00   AVOYELLES                      NUMEROUS TREES DOWN TREE
                                          ON HOUSE
Local storm report, Mar 10, 6:24 PM CST, 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
624 PM CST FRI MAR 10 2000

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

0600 PM    JASPER                    TX   WIND DAMAGE
03/10/00   JASPER                         NUMEROUS TREES DOWN ACROSS
                                          THE CITY. RPT BY
                                          SHERIFF.

R?E

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 10, 6:42 PM CSTSevere Thunderstorm WarningLCHVernon63 min
Mar 11, 1:45 AM CSTSevere Thunderstorm WarningLCHCalcasieu60 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; the sounding from the Mesonet's radiosonde archive.