Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 263, NWS Jackson, MS

May 9, 1997Montgomery County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at May 9, 1997, 6:26 AM CDT for Montgomery County, Mississippi. It was in force for 49 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
May 9, 1997, 6:26 AM CDT (11:26 UTC)
Expired
May 9, 1997, 7:15 AM CDT
In force
49 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Montgomery County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 11.4 hours before the alert went out and 138 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 1997-05-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 105 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 1997-05-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 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
105 J/kg
Mixed-layer CIN
-205 J/kg
Mixed-layer LCL
1566 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
80 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KJAN 091130 RRA
SVRJAN
MSC097-091215-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
626 AM CDT FRI MAY 9 1997
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  715 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL MISSISSIPPI
 
   ...MONTGOMERY COUNTY
 
AT 625 AM DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS ABOUT 5
MILES WEST OF WINONA. THE LINE OF STORMS WAS MOVING EAST AT 40 MPH. SOME
TOWNS IN THE PATH OF THIS STORM INCLUDE WINONA AND KILMICHAEL.
 
THIS LINE OF STORMS HAS A HISTORY OF PRODUCING DAMAGING WINDS. IN
ADDITION...HAIL UP TO 1 INCH IN DIAMETER IS POSSIBLE.
 
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.
<
65

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, 5:09 AM CDTSevere Thunderstorm WarningJANSunflower51 min
May 9, 5:43 AM CDTSevere Thunderstorm WarningJANLeflore47 min
May 9, 5:59 AM CDTSevere Thunderstorm WarningJANCarroll46 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; the sounding from the Mesonet's radiosonde archive.