Alert archive / Mississippi / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 158, NWS New Orleans, LA

April 21, 1995Jackson County, Mississippi

NWS New Orleans, LA issued this severe thunderstorm warning at Apr 21, 1995, 4:18 AM CDT for Jackson County, Mississippi. It was in force for 42 min.

The area

The counties it named.

The facts

Issued
Apr 21, 1995, 4:18 AM CDT (09:18 UTC)
Expired
Apr 21, 1995, 5:00 AM CDT
In force
42 min
Issued by
NWS New Orleans, LA
Area
Whole counties

County Jackson County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 9.3 hours before the alert went out and 106 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 00:00Z on 1995-04-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2256 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 1995-04-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 187 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
2256 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
588 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
187 m²/s²
0-3 km storm-relative helicity
219 m²/s²
Significant tornado parameter
2.3
Supercell composite
12.2

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
Apr 20, 7:27 PM CDTSevere Thunderstorm WarningLIXAvoyelles33 min
Apr 21, 12:32 AM CDTSevere Thunderstorm WarningLIXSaint Tammany, Tangipahoa, Washington43 min
Apr 20, 7:24 PM CDTSevere Thunderstorm WarningLIXWilkinson51 min
Apr 21, 12:56 AM CDTSevere Thunderstorm WarningLIXHancock, Pearl River49 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 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.