Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 260, NWS Jackson, MS

May 9, 1997Sunflower County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at May 9, 1997, 5:09 AM CDT for Sunflower County, Mississippi. It was in force for 51 min. 2 reports 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
May 9, 1997, 5:09 AM CDT (10:09 UTC)
Expired
May 9, 1997, 6:00 AM CDT
In force
51 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Sunflower County, MS

What was reported inside it

TimeReportWhereRemark
May 9, 5:25 AM CDTThunderstorm Wind 52Sunflower, MS
May 9, 5:39 AM CDTThunderstorm WindDoddsville, MSA tin roof was blown off a building.

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

Little Rock, AR (KLZK), launched 00:00Z, 10.2 hours before the alert went out and 149 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, Little Rock, AR at 00:00Z on 1997-05-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 118 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, Little Rock, AR at 00:00Z on 1997-05-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 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
118 J/kg
Mixed-layer CIN
-136 J/kg
Mixed-layer LCL
1655 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
106 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 091012 RRA
SVRJAN
MSC133-091100-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
509 AM CDT FRI MAY 9 1997
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  600 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHWEST MISSISSIPPI
 
   ...SUNFLOWER COUNTY
 
AT 508 AM DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM ENTERING WESTERN
SUNFLOWER COUNTY. THIS STORM WAS MOVING EAST AT 35 MPH...AND WILL PASS
NEAR RULEVILLE AND SUNFLOWER BY 530 AM.
 
DAMAGING WINDS AND HAIL UP TO NICKEL SIZED ARE POSSIBLE WITH THIS STORM.
50 MPH WINDS WERE REPORTED IN CLEVELAND AT 505 AM.
 
THIS IS A DANGEROUS STORM.  *IF YOU ARE IN ITS PATH...PREPARE FOR
WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...AND DEADLY LIGHTNING.
PEOPLE OUTSIDE SHOULD SEEK SHELTER INSIDE A STRONG BUILDING.
<
69

The office that day

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

IssuedProductOfficeCountiesLasted
May 9, 4:18 AM CDTSevere Thunderstorm WarningJANBolivar57 min
May 9, 5:43 AM CDTSevere Thunderstorm WarningJANLeflore47 min
May 9, 5:59 AM CDTSevere Thunderstorm WarningJANCarroll46 min
May 9, 6:26 AM CDTSevere Thunderstorm WarningJANMontgomery49 min
May 9, 6:55 AM CDTSevere Thunderstorm WarningJANChoctaw, Webster50 min
May 9, 7:26 AM CDTSevere Thunderstorm WarningJANOktibbeha49 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.