Alert archive / Louisiana / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 360, NWS Jackson, MS

June 19, 1997Franklin Parish, Madison Parish, Louisiana

NWS Jackson, MS issued this severe thunderstorm warning at Jun 19, 1997, 5:35 PM CDT for Franklin Parish, Madison Parish, Louisiana. It was in force for 55 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
Jun 19, 1997, 5:35 PM CDT (22:35 UTC)
Expired
Jun 19, 1997, 6:30 PM CDT
In force
55 min
Issued by
NWS Jackson, MS
Area
Whole counties

Counties Franklin Parish, LA, Madison Parish, LA

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 10.6 hours before the alert went out and 130 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 1997-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2183 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 1997-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 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
2183 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
624 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
57 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 192237 RRA
SVRJAN
LAC041-065-192330-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
535 PM CDT THU JUN 19 1997
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  630 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHEAST LOUISIANA
 
   ...EASTERN FRANKLIN PARISH...SOUTHERN MADISON PARISH
 
AT 533 PM CDT DOPPLER RADAR IN JACKSON INDICATED A SEVERE THUNDERSTORM 7
MILES SOUTH OF CROWVILLE MOVING NORTH NEAR 10 MPH. THIS STORM WILL MOVE
THROUGH CROWVILLE AND ENTER SOUTHWESTERN MADISON PARISH BY 550 PM.
DAMAGING WINDS AND LARGE HAIL ARE LIKELY WITH THIS STORM.
 
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.
<
68

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 4:01 PM CDTSevere Thunderstorm WarningJANCatahoula, Concordia59 min
Jun 19, 4:59 PM CDTSevere Thunderstorm WarningJANCatahoula, Tensas61 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 1997Every severe thunderstorm warning in 1997

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.