Alert archive / Louisiana / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 53, NWS Lake Charles, LA

April 2, 2000Vernon Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Apr 2, 2000, 6:10 AM CDT for Vernon Parish, Louisiana. It was in force for 65 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 2, 2000, 6:10 AM CDT (11:10 UTC)
Expired
Apr 2, 2000, 7:15 AM CDT
In force
65 min
Issued by
NWS Lake Charles, LA
Area
Whole counties

County Vernon Parish, LA

The watch it was issued in

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

IssuedProductOfficeLasted
Apr 2, 1:30 AM CSTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 11.2 hours before the alert went out and 110 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 2000-04-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2474 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°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 2000-04-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 90 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
2474 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
499 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
90 m²/s²
0-3 km storm-relative helicity
184 m²/s²
Significant tornado parameter
2.1
Supercell composite
10.5

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, 3:30 AM CDT, 2 hours 40 minutes earlier.

Area forecast discussion, Apr 2, 3:30 AM CDT, 2 hours 40 minutes before
SOUTHEAST TEXAS AND SOUTHWEST LOUISIANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
230 AM CST SUN APR 2 2000

SHWRS AND TSTMS WITH SVRL CELLS SPLITTING AND VILS AROUND 60 IN
STORMS TO THE WEST. ALL INGREDIENTS IN PLACE FOR A HEAVY RAIN/SVR
TSTM EVENT. STORM MOVEMENT TO THE NORTHWEST. CAPE TONIGHT ABT
3000(J/KG)...HELICITY 215 (M/S)... AND PRECIP WATER AROUND 1.74
INCHES. NEW WATCH TO BE ISSUED WILL COVER SEVERAL PORTIONS OF
SOUTHEAST TEXAS AND SOUTHWEST LA.

AS A RESULT...RAIN COOLED ENVIRONMENT WILL HOLD TEMPS IN CHECK. PRES
GRAD TO REMAIN STRONG AND HAVE PUT IN CAUTION ADVISED ON AREA LAKES
TODAY. TONIGHT SHWRS AND TSTMS CONTG WITH AREAS OF PATCHY DENSE FOG.
FINALLY ON MONDAY STRONG COLD FRONT PUSHES DOWN INTO SE TX AND
SOUTHERN LA SKIES CLRG. THIS LOOKS TO BRING TEMPS BELOW CLIMO NORMS
THROUGH MID-WEEK... INTERESTING

MARINE INTEREST...SMALL CRAFT SHOULD EXERCISE CAUTION.

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

UPDATED NUMBERS...
LCH 77/68/73/ 997
BPT 75/67/74/ 997
LFT 82/66/73/ 677
AEX 77/66/70/ 997

K. KUYPER

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 2, 3:14 PM CDTTornado WarningLCHCalcasieu61 min
Apr 2, 3:49 PM CDTSevere Thunderstorm WarningLCHBeauregard56 min
Apr 2, 4:25 PM CDTSevere Thunderstorm WarningLCHCalcasieu, Cameron65 min
Apr 2, 5:24 PM CDTSevere Thunderstorm WarningLCHCalcasieu66 min
Apr 2, 5:40 PM CDTSevere Thunderstorm WarningLCHJefferson Davis65 min
Apr 2, 6:07 PM CDTTornado WarningLCHCameron68 min
Apr 2, 6:12 PM CDTSevere Thunderstorm WarningLCHAllen48 min
Apr 2, 6:21 PM CDTSevere Thunderstorm WarningLCHEvangeline, Saint Landry54 min
Apr 2, 6:46 PM CDTSevere Thunderstorm WarningLCHCalcasieu59 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.