Alert archive / Louisiana / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 497, NWS Jackson, MS

December 18, 1995Franklin Parish, Madison Parish, Tensas Parish, Louisiana

NWS Jackson, MS issued this severe thunderstorm warning at Dec 18, 1995, 11:03 AM CST for Franklin Parish, Madison Parish, Tensas Parish, Louisiana. It was in force for 42 min.

The area

The counties it named.

The facts

Issued
Dec 18, 1995, 11:03 AM CST (17:03 UTC)
Expired
Dec 18, 1995, 11:45 AM CST
In force
42 min
Issued by
NWS Jackson, MS
Area
Whole counties

Counties Franklin Parish, LA, Madison Parish, LA, Tensas Parish, LA

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 5.1 hours before the alert went out and 127 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, Jackson, MS at 12:00Z on 1995-12-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 37 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, Jackson, MS at 12:00Z on 1995-12-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -81 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
37 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
592 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
-81 m²/s²
0-3 km storm-relative helicity
53 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Jackson, MS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 17, 6:13 PM CSTSevere Thunderstorm WarningJANJones32 min
Dec 18, 6:45 AM CSTSevere Thunderstorm WarningJANForrest, Lamar60 min
Dec 18, 11:21 AM CSTSevere Thunderstorm WarningJANIssaquena, Sharkey54 min
Dec 18, 11:21 AM CSTSevere Thunderstorm WarningJANWarren54 min
Dec 18, 11:42 AM CSTSevere Thunderstorm WarningJANHinds, Madison, Yazoo48 min
Dec 18, 12:16 PM CSTSevere Thunderstorm WarningJANYazoo44 min
Dec 18, 1:55 PM CSTSevere Thunderstorm WarningJANForrest, Lamar50 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 1995Every severe thunderstorm warning in 1995

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.