Alert archive / Mississippi / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 237, NWS Jackson, MS

April 30, 1995Warren County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Apr 30, 1995, 5:17 AM CDT for Warren County, Mississippi. It was in force for 28 min.

The area

The counties it named.

The facts

Issued
Apr 30, 1995, 5:17 AM CDT (10:17 UTC)
Expired
Apr 30, 1995, 5:45 AM CDT
In force
28 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Warren County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 10.3 hours before the alert went out and 73 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 00:00Z on 1995-04-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 641 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 00:00Z on 1995-04-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 square meters per square second.193958Sfc1 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
641 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
1631 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
131 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KJAN 301019
SVRJAN
MSC149-301045-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
517 AM CDT SUN APR 30 1995
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  545 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST CENTRAL MISSISSIPPI
 
   ...WARREN COUNTY
 
AT 517 AM CDT RADAR INDICATED A SEVERE THUNDERSTORM 14 MILES SOUTHWEST
OF VICKSBURG MOVING SOUTHEAST AT 25 MILES AN HOUR. THIS STORM WILL MOVE
OVER HIGHWAY 61 BY 545 AM.
 
SEVERE THUNDERSTORMS PRODUCE WIND IN EXCESS OF 55 MPH...LARGE
HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.  MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME 4OR BUSINESS.
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The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 30, 5:35 AM CDTSevere Thunderstorm WarningJANClaiborne40 min
Apr 30, 5:45 AM CDTSevere Thunderstorm WarningJANHinds45 min
Apr 30, 6:16 AM CDTSevere Thunderstorm WarningJANRankin44 min
Apr 30, 6:49 AM CDTSevere Thunderstorm WarningJANCopiah26 min
Apr 30, 7:02 AM CDTSevere Thunderstorm WarningJANSimpson58 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.