Alert archive / South Carolina / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 90, NWS Columbia, SC

June 4, 1998Edgefield County, Saluda County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Jun 4, 1998, 1:52 PM EDT for Edgefield County, Saluda County, South Carolina. It was in force for 53 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 4, 1998, 1:52 PM EDT (17:52 UTC)
Expired
Jun 4, 1998, 2:45 PM EDT
In force
53 min
Issued by
NWS Columbia, SC
Area
Whole counties

Counties Edgefield County, SC, Saluda County, SC

The radar

The Columbia radar (KCAE), 68 km from the middle of the area, began a volume at 17:56 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Jun 4, 2:00 PM EDTThunderstorm Wind 50Edgefield, SCUtility company reported trees and powerlines 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 watch it was issued in

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

IssuedProductOfficeLasted
Jun 4, 1:45 PM EDTTornado WatchSPC6 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 5.9 hours before the alert went out and 204 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, Charleston AFB, SC at 12:00Z on 1998-06-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1522 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, Charleston AFB, SC at 12:00Z on 1998-06-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 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
1522 J/kg
Mixed-layer CIN
-100 J/kg
Mixed-layer LCL
1198 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
84 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.0

Open this sounding in Storm Lab

The text

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

435 
WUUS1 KCAE 041753 RRA
SVRCAE
SCC037-081-041845-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
152 PM EDT THU JUN 4 1998

THE NATIONAL WEATHER SERVICE IN COLUMBIA SC HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN EDGEFIELD COUNTY IN SOUTH CAROLINA
  WESTERN SALUDA COUNTY IN SOUTH CAROLINA

* UNTIL 245 PM EDT 

* NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE 
  THUNDERSTORM 5 MILES NORTHWEST OF JOHNSTON MOVING SOUTHEAST 
  AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  WARD AT 210 PM
  MONETTA AT 220 PM
  RIDGE SPRING AT 215

SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES 
WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO 
RAPIDLY CHANGING WEATHER CONDITIONS.

The office that day

Everything else NWS Columbia, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 4, 2:02 PM EDTSevere Thunderstorm WarningCAEBarnwell43 min
Jun 4, 2:21 PM EDTSevere Thunderstorm WarningCAESaluda39 min
Jun 4, 2:26 PM EDTSevere Thunderstorm WarningCAELexington64 min
Jun 4, 3:30 PM EDTSevere Thunderstorm WarningCAEClarendon45 min
Jun 4, 3:34 PM EDTTornado WarningCAEEdgefield56 min
Jun 4, 5:41 PM EDTSevere Thunderstorm WarningCAEBarnwell49 min
Jun 4, 5:54 PM EDTSevere Thunderstorm WarningCAEBamberg66 min
Jun 4, 6:49 PM EDTSevere Thunderstorm WarningCAESaluda26 min
Jun 4, 7:02 PM EDTTornado WarningCAELancaster28 min
Jun 4, 7:09 PM EDTSevere Thunderstorm WarningCAELexington51 min
Jun 4, 7:17 PM EDTSevere Thunderstorm WarningCAERichland58 min
Jun 4, 7:30 PM EDTSevere Thunderstorm WarningCAEAiken45 min
Jun 4, 7:38 PM EDTSevere Thunderstorm WarningCAESumter67 min
Jun 4, 7:45 PM EDTSevere Thunderstorm WarningCAEBarnwell30 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 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; radar from the NEXRAD Level II archive.