Alert archive / Louisiana / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 135, NWS New Orleans, LA

November 21, 1992Saint Landry Parish, Louisiana

NWS New Orleans, LA issued this severe thunderstorm warning at Nov 21, 1992, 9:32 PM CST for Saint Landry Parish, Louisiana. It was in force for 58 min.

The area

The counties it named.

The facts

Issued
Nov 21, 1992, 9:32 PM CST (03:32 UTC)
Expired
Nov 21, 1992, 10:30 PM CST
In force
58 min
Issued by
NWS New Orleans, LA
Area
Whole counties

County Saint Landry Parish, LA

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 3.5 hours before the alert went out and 126 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 1992-11-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2169 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 1992-11-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 299 square meters per square second.1939587897Sfc1 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
2169 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
572 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
299 m²/s²
0-3 km storm-relative helicity
327 m²/s²
Significant tornado parameter
4.4
Supercell composite
16.8

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.

The office that day

Everything else NWS New Orleans, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 21, 8:21 PM CSTSevere Thunderstorm WarningLIXAvoyelles, Catahoula, Concordia69 min
Nov 21, 8:21 PM CSTSevere Thunderstorm WarningLIXSaint Landry69 min
Nov 21, 9:32 PM CSTSevere Thunderstorm WarningLIXAvoyelles, Concordia, Pointe Coupee, West Baton Rouge, West Feliciana58 min
Nov 21, 9:32 PM CSTSevere Thunderstorm WarningLIXIberville58 min
Nov 21, 10:24 PM CSTSevere Thunderstorm WarningLIXEast Baton Rouge, East Feliciana51 min
Nov 21, 10:24 PM CSTSevere Thunderstorm WarningLIXAscension, Iberville51 min
Nov 21, 10:24 PM CSTSevere Thunderstorm WarningLIXPointe Coupee, West Baton Rouge, West Feliciana36 min
Nov 21, 11:54 PM CSTSevere Thunderstorm WarningLIXLivingston36 min
Nov 22, 12:15 AM CSTSevere Thunderstorm WarningLIXSaint Tammany, Tangipahoa60 min
Nov 22, 12:29 AM CSTSevere Thunderstorm WarningLIXJefferson, Saint Charles61 min
Nov 22, 12:29 AM CSTSevere Thunderstorm WarningLIXSaint Tammany61 min
Nov 22, 1:14 AM CSTSevere Thunderstorm WarningLIXOrleans, Saint Bernard46 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 1992Every severe thunderstorm warning in 1992

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.