Alert archive / South Carolina / Tornado Warnings in 1998

Tornado Warning 18, NWS Columbia, SC

June 4, 1998Lancaster County, South Carolina

NWS Columbia, SC issued this tornado warning at Jun 4, 1998, 7:02 PM EDT for Lancaster County, South Carolina. It was in force for 28 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
Jun 4, 1998, 7:02 PM EDT (23:02 UTC)
Expired
Jun 4, 1998, 7:30 PM EDT
In force
28 min
Issued by
NWS Columbia, SC
Area
Whole counties

County Lancaster County, SC

The radar

The Columbia radar (KCAE), 90 km from the middle of the area, began a volume at 23:01 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.

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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 11.0 hours before the alert went out and 171 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, Greensboro/Hi Pt, NC at 12:00Z on 1998-06-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 12:00Z on 1998-06-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 102 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1332 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
102 m²/s²
0-3 km storm-relative helicity
195 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

386 
WFUS1 KCAE 042303 RRA
TORCAE
SCC057-042330-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
702 PM EDT THU JUN 4 1998

THE NATIONAL WEATHER SERVICE IN COLUMBIA SC HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN LANCASTER COUNTY IN SOUTH CAROLINA

* UNTIL 730 PM EDT 

* AT 700 PM...WEATHER SERVICD DOPPLER WEATHER RADAR DETECTED 
  A TORNADO IN NORTHERN LANCASTER COUNTY. MOVEMENT WAS EAST 
  AT 20 MPH.

* THE TORNADO WILL BE NEAR...
  TRADESVILLE AT 715 PM

IF YOU ARE IN THE PATH OF THIS TORNADO TAKE COVER GO TO A SMALL 
INTERIOR ROOM ON THE LOWEST FLOOR POSSIBLE. AVOID WINDOWS. ABANDON 
CARS AND MOBILE HOMES.

DO NOT STAY IN A CAR OR MOBILE HOME DURING A TORNADO. GO TO  
A STRONG BUILDING. IF NO STRUCTURE IS NEARBY...SEEK SHELTER 
IN A DITCH OR LOW SPOT. 

TTH/RJL

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 4, 1:52 PM EDTSevere Thunderstorm WarningCAEEdgefield, Saluda53 min
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, 7:09 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

Tornado Warnings in South Carolina, 1998Every tornado warning in 1998Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.