Alert archive / Louisiana / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 42, NWS Lake Charles, LA

March 21, 2000Rapides Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Mar 21, 2000, 3:36 PM CST for Rapides Parish, Louisiana. It was in force for 54 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
Mar 21, 2000, 3:36 PM CST (21:36 UTC)
Expired
Mar 21, 2000, 4:30 PM CST
In force
54 min
Issued by
NWS Lake Charles, LA
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Rapides Parish, LA

What was reported inside it

TimeReportWhereRemark
Mar 21, 3:45 PM CSTHail 0.75Elmer, 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, 9.6 hours before the alert went out and 133 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 2000-03-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2000-03-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 144 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1393 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
144 m²/s²
0-3 km storm-relative helicity
181 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 212137
SVRLCH
LAC079-212230-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
336 PM CST TUE MAR 21 2000

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  RAPIDES PARISH IN CENTRAL LOUISIANA

* UNTIL 430 PM CST

* AT 332 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 15 MILES SOUTHWEST OF ALEXANDRIA...MOVING
  NORTHEAST AT 35 MPH.

* THIS STORM WILL BE NEAR...
  WOODWORTH BY 345 PM CST...
  ALEXANDRIA BY 355 PM CST...

THIS THUNDERSTORM IS CAPABLE OF PRODUCING VERY LARGE HAIL WHICH COULD
CAUSE SIGNIFICANT DAMAGE TO PROPERTY.

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

LAT...LON 3115 9276 3103 9261 3134 9224 3141 9280

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 21, 2:45 PM CST, 51 minutes earlier.

Area forecast discussion, Mar 21, 2:45 PM CST, 51 minutes before
SOUTHEAST TEXAS AND SOUTHWEST LOUISIANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
245 PM CST TUE MAR 21 2000

MOISTURE BOUNDARY CONTINUES TO LIFT NORTH ACROSS THE AREA WITH
MID 50 DEWPOINTS AS FAR NORTH AS FORT POLK (KPOE). UPPER LOW
OVER ARIZONA DRIFTING SLOWLY SOUTH. VORT MAXES EJECTING NORTHEAST
FROM SYSTEM. FIRST ONE CURRENTLY OVER FORECAST AREA HELPING PRODUCE
SHOWERS AND THUNDERSTORMS. QUARTER SIZE (1 INCH) HAIL REPORTED NEAR
WOODVILLE IN TYLER COUNTY. NEXT VORT MAX SEEN ON WATER VAPOR
IMAGERY OVER WESTERN MEXICO.

FORECAST PERIOD...
TONIGHT AND WEDNESDAY...
UPPER LOW HANGS AROUND SOUTHWEST US. NEXT VORT MAX SHOULD MAKE IT
INTO THE WESTERN PORTION OF THE FORECAST AREA BEFORE DAYBREAK AND
EXIT DURING THE EARLY AFTERNOON. BELIEVE RIDGE WILL HOLD IN THE
EASTERN PORTION. THEREFORE WILL HAVE A GRADUAL DECREASE IN POPS
FROM WEST TO EAST. A FEW STORMS COULD AGAIN HAVE THE POSSIBILITY
OF LARGE HAIL. TEMPS CLOSE TO MOS GUIDANCE.

WEDNESDAY NIGHT INTO THURSDAY...UPPER LOW EXPECTED TO FINALLY KICK
OFF TO THE NORTHEAST INTO THE SOUTHERN PLAINS. BEST DYNAMICS LIFT
TO THE NORTH OF THE FORECAST AREA. STILL BELIEVE ENOUGH LIFT AND
MOISTURE ACROSS AREA TO HAVE CHANCE POPS...AGAIN HIGHEST PROBABILITY
OVER THE LAKES AREA. TEMPS AGAIN CLOSE TO MOS GUIDANCE.

EXTENDED...
FRIDAY THRU SUNDAY...
LOW CONTINUES TO MOVE NORTHEAST AND WEAKEN. WILL NOT MENTION
ANY POPS DURING THIS PERIOD.y TEMPS CONTINUE TO BE WARM.

7-RUA

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

PRELIM NUMBERS...
AEX 53/77/58/76 1213
BPT 63/76/64/76 3323
LCH 61/76/63/76 1213
LFT 58/76/60/77 1112

In the hours before

Local storm report, Mar 21, 1:47 PM CST, 1 hour 49 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
147 PM CST TUE MAR 21 2000

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

0138 PM    3 W WOODVILLE             TX   1.00 INCH HAIL
03/21/00   TYLER                          REPORTED BY COOP OBSERVER

0143 PM    5 W WOODVILLE             TX   1.00 INCH HAIL
03/21/00   TYLER                          REPORTED BY PUBLIC

22

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.