Alert archive / Mississippi / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 421, NWS New Orleans, LA

December 18, 1995Pearl River County, Mississippi

NWS New Orleans, LA issued this severe thunderstorm warning at Dec 18, 1995, 1:56 PM CST for Pearl River County, Mississippi. It was in force for 49 min.

The area

The counties it named.

The facts

Issued
Dec 18, 1995, 1:56 PM CST (19:56 UTC)
Expired
Dec 18, 1995, 2:45 PM CST
In force
49 min
Issued by
NWS New Orleans, LA
Area
Whole counties

County Pearl River County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 7.9 hours before the alert went out and 59 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 1995-12-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 11 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 1995-12-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 487 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
11 J/kg
Mixed-layer CIN
-240 J/kg
Mixed-layer LCL
751 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
487 m²/s²
0-3 km storm-relative helicity
777 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KNEW 181956 RRA
SVRNEW
MSC109-182045-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
156 PM CST MON DEC 18 1995
 
THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  245 PM CST
FOR RESIDENTS IN THE FOLLOWING LOCATION...
 
IN SOUTH MISSISSIPPI
 
   ...PEARL RIVER COUNTY
 
...THE WEATHER SERVICE IN SLIDELL HAS REISSUED THE SEVERE THUNDERSTORM
WARNING FOR PEARL RIVER COUNTY...
 
AT 155 PM CST...SLIDELL DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
NEAR BOGALUSA MOVING TO THE NORTHEAST AT 40 MPH.  THIS STORM WILL BE
MOVING TOWARDS POPLARVILLE BEFORE 230 PM CST.  THE SOUTHERN EXTENT OF
THE LINE OF STORMS WILL ALSO MOVE THROUGH PICAYUNE AND CARRIERE BY
230 PM CST.
 
 
 
 
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 17, 6:19 PM CSTTornado WarningLIXHancock26 min
Dec 17, 6:53 PM CSTTornado WarningLIXHarrison37 min
Dec 18, 6:57 AM CSTSevere Thunderstorm WarningLIXPearl River18 min
Dec 18, 7:54 AM CSTSevere Thunderstorm WarningLIXJackson21 min
Dec 18, 10:24 AM CSTFlash Flood WarningLIXJackson2 hr
Dec 18, 1:18 PM CSTSevere Thunderstorm WarningLIXPearl River42 min
Dec 18, 3:05 PM CSTSevere Thunderstorm WarningLIXHancock, Pearl River40 min
Dec 18, 3:17 PM CSTSevere Thunderstorm WarningLIXHarrison58 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.