Alert archive / Mississippi / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 377, NWS Jackson, MS

July 21, 1995Scott County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Jul 21, 1995, 3:19 PM CDT for Scott County, Mississippi. It was in force for 26 min.

The area

The counties it named.

The facts

Issued
Jul 21, 1995, 3:19 PM CDT (20:19 UTC)
Expired
Jul 21, 1995, 3:45 PM CDT
In force
26 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Scott County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 8.3 hours before the alert went out and 52 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 1995-07-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3240 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 1995-07-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 square meters per square second.1939Sfc1 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
3240 J/kg
Mixed-layer CIN
-20 J/kg
Mixed-layer LCL
631 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
64 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KJAN 212021 RRA
SVRJAN
MSC123-212045-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
319 PM CDT FRI JUL 21 1995
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  345 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL MISSISSIPPI
 
   ...SCOTT COUNTY
 
AT 318 PM WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM 1 MILE
NORTHEAST OF FOREST MOVING SOUTHEAST 15 MPH. THIS STORM SHOULD PASS
INTERSTATE 20 BY 330 PM.
 
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 OR BUSINESS.
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What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jul 21, 10:43 AM CDT, 4 hours 36 minutes before
MSZ001>082-220300-

MISSISSIPPI THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
1000 AM CDT FRI JUL 20 1995

NUMEROUS SHOWERS AND THUNDERSTORMS WHICH OCCURRED OVER NORTHWEST
MISSISSIPPI THIS  MORNING WILL MOVE EAST ACROSS NORTHEAST MISSISSIPPI
THIS AFTERNOON.  SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED
ACROSS SOUTHERN SECTIONS OF THE STATE THIS AFTERNOON AND EVENING.
SOME OF THE STORMS ACROSS CENTRAL AND NORTHERN SECTIONS OF THE STATE\
COULD BECOME SEVERE.

IT MAY BE NECESSARY TO REQUEST THE ASSISTANCE OF STROM SPOTTER...HAM
RADIO AND PUBLIC SAFETY PERSONNEL IN SEVERE STORM DETECTION
THIS AFTERNOON AND EVENING.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 20, 7:41 PM CDTSevere Thunderstorm WarningJANRankin24 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.