Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 252, NWS Jackson, MS

May 3, 1997Kemper County, Neshoba County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at May 3, 1997, 2:40 AM CDT for Kemper County, Neshoba County, Mississippi. It was in force for 50 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
May 3, 1997, 2:40 AM CDT (07:40 UTC)
Expired
May 3, 1997, 3:30 AM CDT
In force
50 min
Issued by
NWS Jackson, MS
Area
Whole counties

Counties Kemper County, MS, Neshoba County, MS

What was reported inside it

TimeReportWhereRemark
May 3, 2:50 AM CDTThunderstorm Wind 52Porterville, MSSixty mile an hour winds blew numerous large branches and limbs out of trees.

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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 3, 12:00 AM CDTTornado WatchSPC6 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 7.7 hours before the alert went out and 122 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 1997-05-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2009 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 1997-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 276 square meters per square second.1939587897Sfc1 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
2009 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
1075 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
276 m²/s²
0-3 km storm-relative helicity
400 m²/s²
Significant tornado parameter
4.0
Supercell composite
14.9

Open this sounding in Storm Lab

The text

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

195 
WUUS1 KJAN 030741 RRA
SVRJAN
MSC069-099-030830-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
240 AM CDT SAT MAY 3 1997
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  330 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL MISSISSIPPI
 
   ...KEMPER COUNTY...NESHOBA COUNTY
 
AT 238 AM DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM IN NORTHEAST
NESHOBA...WITH ANOTHER SEVERE STORM ENTERING THE SOUTHWEST PART OF THE
COUNTY. BOTH STORMS WERE MOVING EAST NORTHEAST AT 45 MPH.
 
A TORNADO WATCH IS ALSO IN EFFECT.  REMEMBER SEVERE THUNDERSTORMS
CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING.  REMAIN
CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS.
<
68

The office that day

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

IssuedProductOfficeCountiesLasted
May 2, 7:08 PM CDTTornado WarningJANWashington52 min
May 2, 7:12 PM CDTTornado WarningJANChoctaw, Webster48 min
May 2, 7:19 PM CDTTornado WarningJANHolmes41 min
May 2, 7:30 PM CDTTornado WarningJANChoctaw45 min
May 2, 7:41 PM CDTSevere Thunderstorm WarningJANCarroll49 min
May 2, 7:46 PM CDTTornado WarningJANOktibbeha44 min
May 2, 7:48 PM CDTTornado WarningJANSunflower42 min
May 2, 7:59 PM CDTSevere Thunderstorm WarningJANMontgomery46 min
May 2, 8:13 PM CDTSevere Thunderstorm WarningJANBolivar, Washington47 min
May 2, 8:17 PM CDTSevere Thunderstorm WarningJANChoctaw, Webster43 min
May 2, 8:19 PM CDTTornado WarningJANHolmes41 min
May 2, 8:33 PM CDTSevere Thunderstorm WarningJANOktibbeha57 min
May 2, 8:38 PM CDTFlash Flood WarningJANCarroll, Grenada, Holmes, Montgomery3 hr
May 2, 8:38 PM CDTFlash Flood WarningJANOktibbeha, Webster3 hr
May 2, 8:39 PM CDTTornado WarningJANAttala, Carroll, Montgomery51 min
May 2, 8:42 PM CDTTornado WarningJANSunflower48 min
May 2, 9:04 PM CDTTornado WarningJANLeflore41 min
May 2, 9:09 PM CDTTornado WarningJANChoctaw51 min
May 2, 9:27 PM CDTSevere Thunderstorm WarningJANGrenada48 min
May 2, 9:31 PM CDTSevere Thunderstorm WarningJANMontgomery29 min
May 2, 9:34 PM CDTFlash Flood WarningJANAttala, Choctaw3 hr
May 2, 9:35 PM CDTSevere Thunderstorm WarningJANOktibbeha40 min
May 2, 9:41 PM CDTSevere Thunderstorm WarningJANWebster49 min
May 2, 10:19 PM CDTSevere Thunderstorm WarningJANLeflore41 min
May 2, 10:21 PM CDTSevere Thunderstorm WarningJANBolivar, Washington54 min
May 2, 10:59 PM CDTSevere Thunderstorm WarningJANSunflower46 min
May 2, 11:08 PM CDTSevere Thunderstorm WarningJANLeflore52 min
May 2, 11:27 PM CDTSevere Thunderstorm WarningJANGrenada48 min
May 2, 11:39 PM CDTSevere Thunderstorm WarningJANCarroll51 min
May 2, 11:41 PM CDTFlash Flood WarningJANGrenada, Webster3 hr
May 2, 11:41 PM CDTFlash Flood WarningJANOktibbeha3 hr
May 3, 12:17 AM CDTSevere Thunderstorm WarningJANHinds, Rankin43 min
May 3, 12:21 AM CDTSevere Thunderstorm WarningJANMontgomery54 min
May 3, 1:04 AM CDTSevere Thunderstorm WarningJANWarren, Yazoo41 min
May 3, 1:18 AM CDTSevere Thunderstorm WarningJANHinds, Madison42 min
May 3, 1:56 AM CDTSevere Thunderstorm WarningJANMadison, Rankin49 min
May 3, 2:22 AM CDTSevere Thunderstorm WarningJANLeake, Scott53 min
May 3, 2:52 AM CDTSevere Thunderstorm WarningJANNoxubee53 min
May 3, 2:57 AM CDTSevere Thunderstorm WarningJANNewton63 min
May 3, 3:16 AM CDTSevere Thunderstorm WarningJANLauderdale44 min
May 3, 4:18 AM CDTSevere Thunderstorm WarningJANClarke42 min
May 3, 4:52 AM CDTSevere Thunderstorm WarningJANLamar, Marion53 min
May 3, 5:15 AM CDTSevere Thunderstorm WarningJANForrest, Jones45 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.