Alert archive / Louisiana / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 1, NWS Lake Charles, LA

February 26, 2000Evangeline Parish, Saint Landry Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Feb 26, 2000, 3:52 PM CST for Evangeline Parish, Saint Landry Parish, Louisiana. It was in force for 53 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
Feb 26, 2000, 3:52 PM CST (21:52 UTC)
Expired
Feb 26, 2000, 4:45 PM CST
In force
53 min
Issued by
NWS Lake Charles, LA
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Evangeline Parish, LA, Saint Landry Parish, LA

What was reported inside it

TimeReportWhereRemark
Feb 26, 4:11 PM CSTThunderstorm WindVille Platte, LA
Feb 26, 4:23 PM CSTThunderstorm 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 nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 9.9 hours before the alert went out and 122 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 2000-02-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 381 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 2000-02-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 107 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
381 J/kg
Mixed-layer CIN
-105 J/kg
Mixed-layer LCL
613 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
107 m²/s²
0-3 km storm-relative helicity
185 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.1

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KLCH 262154
SVRLCH
LAC039-097-262245-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
352 PM CST SAT FEB 26 2000

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

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

* UNTIL 445 PM CST

* AT 345 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 8 MILES SOUTHWEST OF VILLE PLATTE...MOVING
  NORTHEAST AT 40 MPH.

* THIS STORM WILL BE NEAR...
  VILLE PLATTE BY 400 PM CST
  BIG CANE BY 410 PM CST
  PALMETTO BY 415 PM CST

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

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

LAT...LON 3066 9241 3051 9229 3075 9180 3074 9177
          3083 9200

K. KUYPER

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 Feb 26, 2:20 PM CST, 1 hour 32 minutes earlier.

Area forecast discussion, Feb 26, 2:20 PM CST, 1 hour 32 minutes before
SOUTHEAST TEXAS AND SOUTHWEST LOUISIANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
220 PM CST SAT FEB 26 2000

CURRENTLY...PRE FRONTAL SURFACE TROF/OUTFLOW BOUNDARY MOVING
ACROSS THE FORECAST AREA FROM ALEXANDRIA TO LAKE CHARLES TO
SABINE PASS. BEHIND THE TROF...NORTHWEST WINDS WITH TEMPS DROPPING
INTO THE 60S. AHEAD OF THE TROF...TEMPS IN THE MID TO UPPER 70S WITH
STRONG SOUTH WINDS. SO FAR ON RADAR...LITTLE ROTATION SEEN WITH
STORMS. HIGHEST WIND GUSTS SO FAR...37 KTS AT FORT POLK.

CLEARING LINE IN EAST TEXAS FROM ROUGHLY TYLER TO VICTORIA MOVING
EAST AT 30 KNOTS.

AT UPPER LEVELS...STRONG VORT MAX OVER NORTHEAST TEXAS AND
SOUTHEAST OKLAHOMA MOVING EAST. ON WATER VAPOR LOOP...JET MAX
MOVING FROM CENTRAL TEXAS INTO EAST TEXAS. PROFILER DATA SHOWS
75 KT WINDS AT PALESTINE TX AND 65 KTS AT WINFIELD LA AT 500 MB.

FORECAST PERIOD...
TONIGHT...FRONT WILL CONTINUE TO PROGRESS EASTWARD WITH DRIER AIR
QUICKLY MOVING IN BEHIND IT. WILL STILL HAVE TO DEAL WITH SHOWERS AND
THUNDERSTORMS IN SOUTH CENTRAL LOUISIANA UNTIL MIDNIGHT. WITH GOOD
UPPER LEVEL DIVERGENCE AND MOIST UNSTABLE AIRMASS PROGGED OVER THIS
AREA...COULD SEE SOME LOCALLY HEAVY RAINS AND GUSTY WINDS. AT THIS
POINT THOUGH...EXPECT SEVERE THREAT TO BE FURTHER EAST OF FORECAST
AREA.

WHEN FORECAST PERIOD STARTS AT 00Z (6PM LOCAL)...DRIER AIR SHOULD
HAVE MOVED THROUGH SOUTHEAST TEXAS. WILL LEAVE OUT POPS IN THIS
AREA.

NEXT QUESTION IS OVERNIGHT LOWS. DRIER AIR SEEMS TO BE MOVING IN
QUICKER THAN GUIDANCE. WITH THIS IN MIND...WILL GO LOWER THAN MOS
NUMBERS AND CLOSE TO WHAT PREVIOUS FORECAST HAS.

SUNDAY...AS UPPER LEVEL TROF MOVES EAST OF FORECAST AREA...STRONG
SUBSIDENCE WILL MOVE IN. SKIES SHOULD BE SUNNY AS MEAN RELATIVE
HUMIDITY VALUES BELOW 30 PERCENT. TEMPS WILL BE COOLER WITH WEAK
COLD AIR ADVECTION ACROSS FORECAST AREA. BASICALLY FRONT WILL COOL
TEMPS BACK TO NEAR SEASONABLE LEVELS.

SUNDAY NIGHT...LOWS A LITTLE COOLER THAN TONIGHT AS HIGH SHOULD
SETTLE IN. EXPECT MAX RADIATIONAL COOLING WITH LIGHT WINDS AND
CLEAR SKIES.

MONDAY...CONTINUE DRY AND SUNNY. MEAN RELATIVE HUMIDITY VALUES
EXPECTED TO CONTINUE BELOW 30 PERCENT.

EXTENDED...TUESDAY THROUGH THURSDAY...
AREA WILL BE UNDER INFLUENCE OF UPPER LEVEL RIDGE UNTIL WEDNESDAY.
THEREFORE...DRY CONDITIONS WITH TEMPS MODERATING TO ABOVE NORMAL
AGAIN. NEXT SYSTEM COULD BE CLOSE ENOUGH ON THURSDAY FOR A CHANCE OF
SHOWERS.

MARINE...WILL ISSUE SMALL CRAFT ADVISORY IN WESTERN HALF.

.LCH...SMALL CRAFT ADVISORY HIGH ISLAND TO CAMERON
TX...SCA GMZ450-470
LA...SCA GMZ450-470

7-RUA

PRELIMS...
AEX 42/67/38/70 4000
BPT 45/69/43/71 00001
LCH 46/69/42/71 2000
LFT 49/68/42/71 5000

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 26, 4:59 PM CSTSevere Thunderstorm WarningLCHBeauregard, Calcasieu46 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.