Alert archive / Louisiana / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 481, NWS Shreveport, LA

November 30, 1996Ouachita Parish, Louisiana

NWS Shreveport, LA issued this severe thunderstorm warning at Nov 30, 1996, 2:56 PM CST for Ouachita Parish, Louisiana. It was in force for 49 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Nov 30, 1996, 2:56 PM CST (20:56 UTC)
Expired
Nov 30, 1996, 3:45 PM CST
In force
49 min
Issued by
NWS Shreveport, LA
Area
Whole counties

County Ouachita Parish, LA

What was reported inside it

TimeReportWhereRemark
Nov 30, 3:16 PM CSTThunderstorm Wind 60West Monroe, 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, 8.9 hours before the alert went out and 280 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 1996-11-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 737 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 1996-11-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 162 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
737 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
564 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
162 m²/s²
0-3 km storm-relative helicity
143 m²/s²
Significant tornado parameter
0.5
Supercell composite
3.1

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 Shreveport, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 30, 11:28 AM CSTSevere Thunderstorm WarningSHVBossier, Caddo47 min
Nov 30, 12:31 PM CSTSevere Thunderstorm WarningSHVCaddo, De Soto29 min
Nov 30, 2:08 PM CSTSevere Thunderstorm WarningSHVLincoln52 min
Nov 30, 2:38 PM CSTSevere Thunderstorm WarningSHVUnion52 min
Nov 30, 12:03 PM CSTSevere Thunderstorm WarningSHVPanola42 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.