Alert archive / Louisiana / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 231, NWS New Orleans, LA

November 7, 1996Tangipahoa Parish, Louisiana

NWS New Orleans, LA issued this severe thunderstorm warning at Nov 7, 1996, 2:24 PM CST for Tangipahoa Parish, Louisiana. It was in force for 51 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
Nov 7, 1996, 2:24 PM CST (20:24 UTC)
Expired
Nov 7, 1996, 3:15 PM CST
In force
51 min
Issued by
NWS New Orleans, LA
Area
Whole counties

County Tangipahoa Parish, LA

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 8.4 hours before the alert went out and 80 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, Slidell Radar S, LA at 12:00Z on 1996-11-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 993 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, Slidell Radar S, LA at 12:00Z on 1996-11-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 178 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
993 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
519 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
178 m²/s²
0-3 km storm-relative helicity
207 m²/s²
Significant tornado parameter
0.8
Supercell composite
5.5

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.

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 7, 12:17 PM CSTSevere Thunderstorm WarningLIXTangipahoa43 min
Nov 7, 2:11 PM CSTSevere Thunderstorm WarningLIXWashington49 min
Nov 7, 3:33 PM CSTSevere Thunderstorm WarningLIXLafourche27 min
Nov 7, 4:02 PM CSTSevere Thunderstorm WarningLIXOrleans, Saint Tammany43 min
Nov 7, 4:06 PM CSTSevere Thunderstorm WarningLIXJefferson54 min
Nov 7, 12:17 PM CSTSevere Thunderstorm WarningLIXPike, Walthall43 min
Nov 7, 4:48 PM CSTSevere Thunderstorm WarningLIXHancock42 min
Nov 7, 5:00 PM CSTTornado WarningLIXHancock30 min
Nov 7, 5:06 PM CSTTornado WarningLIXHarrison39 min
Nov 7, 5:43 PM CSTSevere Thunderstorm WarningLIXJackson47 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.