Alert archive / Mississippi / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 252, NWS New Orleans, LA

December 29, 1996Amite County, Mississippi

NWS New Orleans, LA issued this severe thunderstorm warning at Dec 29, 1996, 9:26 AM CST for Amite County, Mississippi. It was in force for 34 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
Dec 29, 1996, 9:26 AM CST (15:26 UTC)
Expired
Dec 29, 1996, 10:00 AM CST
In force
34 min
Issued by
NWS New Orleans, LA
Area
Whole counties

County Amite County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 3.4 hours before the alert went out and 145 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 1996-12-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 542 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 1996-12-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 101 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
542 J/kg
Mixed-layer CIN
-40 J/kg
Mixed-layer LCL
636 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
101 m²/s²
0-3 km storm-relative helicity
86 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

214 
WUUS1 KNEW 291529 RRA
SVRNEW
MSC005-291600-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
926 AM CST SUN DEC 29 1996
 
THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1000 AM CST
FOR RESIDENTS IN THE FOLLOWING LOCATION...
 
IN SOUTH MISSISSIPPI
 
   ...AMITE COUNTY
 
AT 924 AM CST...RADAR IN SLIDELL INDICATED A SQUALL LINE OF STRONG
STORMS MOVING INTO THE COUNTY FROM WILKINSON COUNTY. THE STRONGEST
THUNDERSTORM WAS INDICATED NEAR THE GLOSTER AND CENTERVILLE AREAS.
 
THIS SQUALL LINE WAS MOVING TO THE EAST AT 30 MPH. DAMAGING WINDS ARE
LIKELY AS THIS SYSTEM MOVES ACROSS THE LIBERTY  AND GILLSBURG AREAS
THROUGH 10 AM.
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 29, 7:24 AM CSTSevere Thunderstorm WarningLIXPearl River66 min
Dec 29, 8:29 AM CSTSevere Thunderstorm WarningLIXHancock, Harrison31 min
Dec 29, 8:58 AM CSTSevere Thunderstorm WarningLIXHarrison32 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 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.