Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 366, NWS Jackson, MS

June 20, 1997Lauderdale County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Jun 20, 1997, 8:23 PM CDT for Lauderdale County, Mississippi. It was in force for 52 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 20, 1997, 8:23 PM CDT (01:23 UTC)
Expired
Jun 20, 1997, 9:15 PM CDT
In force
52 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Lauderdale County, MS

What was reported inside it

TimeReportWhereRemark
Jun 20, 8:35 PM CDTThunderstorm WindDaleville, MSNumerous trees were blown down.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 1.4 hours before the alert went out and 134 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 1997-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2015 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 1997-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 2 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
2015 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
1512 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
2 m²/s²
0-3 km storm-relative helicity
34 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 210126 RRA
SVRJAN
MSC075-210215-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
823 PM CDT FRI JUN 20 1997
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  915 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL MISSISSIPPI
 
   ...CENTRAL AND NORTHERN LAUDERDALE COUNTY
 
AT 822 PM DOPPLER RADAR IN JACKSON INDICATED A SEVERE THUNDERSTORM 5
MILES NORTHWEST OF MERIDIAN MOVING EAST NEAR 20 MPH. THIS STORM WILL
MOVE THROUGH THE BAILEY...DALEVILLE AND LAUDERDALE AREAS BY 845 PM. WIND
DAMAGE IS LIKELY WITH THIS STORM.
 
SEVERE THUNDERSTORMS PRODUCE WIND IN EXCESS OF 55 MPH...LARGE
HAIL..8.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 20, 7:03 PM CDTSevere Thunderstorm WarningJANLauderdale57 min
Jun 20, 7:15 PM CDTTornado WarningJANClarke45 min
Jun 20, 8:01 PM CDTSevere Thunderstorm WarningJANNoxubee44 min
Jun 20, 8:09 PM CDTSevere Thunderstorm WarningJANKemper51 min
Jun 20, 9:07 PM CDTFlash Flood WarningJANKemper, Lauderdale3 hr
Jun 20, 9:52 PM CDTSevere Thunderstorm WarningJANOktibbeha53 min
Jun 20, 10:17 PM CDTSevere Thunderstorm WarningJANChoctaw28 min
Jun 20, 10:42 PM CDTSevere Thunderstorm WarningJANChoctaw, Oktibbeha48 min
Jun 20, 11:37 PM CDTFlash Flood WarningJANChoctaw, Oktibbeha, Winston2 hr
Jun 21, 1:45 AM CDTFlash Flood WarningJANChoctaw3 hr
Jun 21, 6:16 PM CDTSevere Thunderstorm WarningJANKemper44 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.