Alert archive / Mississippi / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 294, NWS Jackson, MS

June 5, 1998Grenada County, Leflore County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Jun 5, 1998, 2:52 AM CDT for Grenada County, Leflore County, Mississippi. It was in force for 48 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 5, 1998, 2:52 AM CDT (07:52 UTC)
Expired
Jun 5, 1998, 3:40 AM CDT
In force
48 min
Issued by
NWS Jackson, MS
Area
Whole counties

Counties Grenada County, MS, Leflore County, MS

What was reported inside it

TimeReportWhereRemark
Jun 5, 3:10 AM CDTThunderstorm WindCountywide, MSNumerous trees were blown down throughout the county.

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
Jun 5, 1:15 AM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 7.9 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, Little Rock, AR at 00:00Z on 1998-06-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2737 joules per kilogram.LCLEL10008507005003002001001 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 1998-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 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
2737 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
1197 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
98 m²/s²
Significant tornado parameter
0.5
Supercell composite
4.4

Open this sounding in Storm Lab

The text

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

074 
WUUS1 KJAN 050753 RRA
SVRJAN
MSC043-083-050840-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
252 AM CDT FRI JUN 5 1998

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  GRENADA COUNTY IN NORTH CENTRAL MISSISSIPPI
  LEFLORE COUNTY IN NORTH CENTRAL MISSISSIPPI

* UNTIL 340 AM CDT

* AT 251 AM CDT... RADAR INDICATED A SEVERE THUNDERSTORM 7 MILES
  NORTH OF GRENADA MOVING EAST AT 40 MPH.

* THIS STORM WILL MAINLY AFFECT SMALLER COMMUNITIES AND RURAL AREAS.

DAMAGING WINDS AND HEAVY RAIN ARE LIKELY. GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS

68

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 5, 2:10 AM CDTSevere Thunderstorm WarningJANBolivar, Sunflower45 min
Jun 5, 2:24 AM CDTSevere Thunderstorm WarningJANWashington51 min
Jun 5, 3:00 AM CDTSevere Thunderstorm WarningJANIssaquena50 min
Jun 5, 3:00 AM CDTSevere Thunderstorm WarningJANSharkey50 min
Jun 5, 11:31 AM CDTSevere Thunderstorm WarningJANIssaquena, Sharkey49 min
Jun 5, 11:40 AM CDTSevere Thunderstorm WarningJANWashington50 min
Jun 5, 11:49 AM CDTSevere Thunderstorm WarningJANWarren46 min
Jun 5, 11:55 AM CDTSevere Thunderstorm WarningJANSunflower50 min
Jun 5, 12:03 PM CDTSevere Thunderstorm WarningJANAdams, Claiborne, Jefferson47 min
Jun 5, 12:05 PM CDTSevere Thunderstorm WarningJANYazoo50 min
Jun 5, 12:08 PM CDTSevere Thunderstorm WarningJANHumphreys47 min
Jun 5, 12:12 PM CDTSevere Thunderstorm WarningJANLeflore48 min
Jun 5, 12:16 PM CDTSevere Thunderstorm WarningJANHinds64 min
Jun 5, 12:17 PM CDTSevere Thunderstorm WarningJANHolmes48 min
Jun 5, 12:20 PM CDTSevere Thunderstorm WarningJANMadison50 min
Jun 5, 12:34 PM CDTTornado WarningJANHolmes36 min
Jun 5, 12:43 PM CDTSevere Thunderstorm WarningJANAttala52 min
Jun 5, 12:46 PM CDTSevere Thunderstorm WarningJANCarroll49 min
Jun 5, 12:51 PM CDTSevere Thunderstorm WarningJANRankin49 min
Jun 5, 12:53 PM CDTSevere Thunderstorm WarningJANGrenada47 min
Jun 5, 12:55 PM CDTSevere Thunderstorm WarningJANLeake50 min
Jun 5, 12:57 PM CDTSevere Thunderstorm WarningJANMontgomery48 min
Jun 5, 1:06 PM CDTSevere Thunderstorm WarningJANScott49 min
Jun 5, 1:19 PM CDTSevere Thunderstorm WarningJANChoctaw, Winston46 min
Jun 5, 1:19 PM CDTSevere Thunderstorm WarningJANWebster46 min
Jun 5, 1:23 PM CDTSevere Thunderstorm WarningJANNeshoba47 min
Jun 5, 1:28 PM CDTSevere Thunderstorm WarningJANSmith47 min
Jun 5, 1:34 PM CDTSevere Thunderstorm WarningJANOktibbeha46 min
Jun 5, 1:38 PM CDTSevere Thunderstorm WarningJANNewton47 min
Jun 5, 1:44 PM CDTSevere Thunderstorm WarningJANKemper, Noxubee46 min
Jun 5, 1:58 PM CDTSevere Thunderstorm WarningJANLauderdale47 min
Jun 5, 2:07 PM CDTSevere Thunderstorm WarningJANJasper48 min
Jun 5, 2:28 PM CDTSevere Thunderstorm WarningJANClarke47 min
Jun 5, 2:44 PM CDTSevere Thunderstorm WarningJANLauderdale36 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 1998Every severe thunderstorm warning in 1998

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.