Alert archive / Louisiana / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 19, NWS Lake Charles, LA

March 17, 1996Vernon Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Mar 17, 1996, 6:51 PM CST for Vernon Parish, Louisiana. It was in force for 69 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
Mar 17, 1996, 6:51 PM CST (00:51 UTC)
Expired
Mar 17, 1996, 8:00 PM CST
In force
69 min
Issued by
NWS Lake Charles, LA
Area
Whole counties

County Vernon Parish, LA

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 0.9 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 1996-03-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 811 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 1996-03-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -58 square meters per square second.1939587897117136156Sfc1 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
811 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
1320 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
-58 m²/s²
0-3 km storm-relative helicity
-13 m²/s²
Significant tornado parameter
-0.1
Supercell composite
-1.3

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 Mar 17, 3:55 PM CST, 2 hours 56 minutes earlier.

Area forecast discussion, Mar 17, 3:55 PM CST, 2 hours 56 minutes before
SOUTHEAST TEXAS..SOUTHWEST AND CENTRAL LOUISIANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
355 PM CST SUN MAR 17 1996

DISC: DUE TO SVR WX IN FA ONLY LOOKED AT GRIDDED DATA BRIEFLY. SVR TRW
VERIFIED OVR RAPIDES PARISH WITH PENNY/DIME SIZE HAIL. AS FOR FCST...WITH
WK FNTL BNDRY RMNG IN FCST AREA AND STEEP LAPSE RATES AS 50H TEMPS
ARE NR 18C SVR WX WL BE A PRBLM THE RMDR OF AFT. LOSS OF SFC HEATING
THIS EVE THO WL END THREAT (CURRENT WW-95 THRU 00Z). A SERIES OF SHORT
WAVES WL AFFECT THE REGION TNITE WITH DIFFLUENT FLOW ALOFT AND AN
UNSTABLE AIR MASS IN PLACE. SECOND SHORT WAVE OVR TX PNHDL RESPONSIBLE
FOR  CYCLOGENESIS OVER WEST TX THIS AFT WL SWING ASSOC CLD FNT THRU
IN THE MRNG. MDLS INDICATE DRY SLOT AHD OF LOW BUT BLV SUFF MSTR AVBL
IN BNDRY LYR TO INITIATE CNVCTN...WITH PSSBL SVR.
5

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 17, 6:25 PM CSTSevere Thunderstorm WarningLCHRapides65 min
Mar 17, 7:35 PM CSTSevere Thunderstorm WarningLCHAvoyelles55 min
Mar 17, 7:58 PM CSTSevere Thunderstorm WarningLCHBeauregard, Vernon62 min
Mar 17, 8:42 PM CSTSevere Thunderstorm WarningLCHAllen63 min
Mar 17, 9:28 PM CSTSevere Thunderstorm WarningLCHVernon47 min
Mar 17, 9:35 PM CSTSevere Thunderstorm WarningLCHEvangeline40 min
Mar 17, 10:10 PM CSTSevere Thunderstorm WarningLCHSaint Landry50 min
Mar 17, 10:34 PM CSTSevere Thunderstorm WarningLCHRapides56 min
Mar 17, 10:37 PM CSTSevere Thunderstorm WarningLCHVernon38 min
Mar 17, 11:37 PM CSTSevere Thunderstorm WarningLCHRapides53 min
Mar 17, 6:45 PM CSTSevere Thunderstorm WarningLCHNewton60 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 1996Every severe thunderstorm warning in 1996

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.