Alert archive / South Carolina / Tornado Warnings in 1998

Tornado Warning 17, NWS Columbia, SC

June 4, 1998Edgefield County, South Carolina

NWS Columbia, SC issued this tornado warning at Jun 4, 1998, 3:34 PM EDT for Edgefield County, South Carolina. It was in force for 56 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, 3:34 PM EDT (19:34 UTC)
Expired: Jun 4, 1998, 4:30 PM EDT
In force: 56 min
Issued by: NWS Columbia, SC
Area: Whole counties

County Edgefield County, SC

The radar

The Columbia radar (KCAE), 81 km from the middle of the area, began a volume at 19:36 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

Time	Report	Where	Remark
Jun 4, 3:43 PM EDT	Tornado F0	Trenton, SC	SKYWARN spotter reported touchdown in field behind his house.

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.

Issued	Product	Office	Lasted
Jun 4, 1:45 PM EDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 7.6 hours before the alert went out and 207 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

009 
WFUS1 KCAE 041937 RRA
TORCAE
SCC037-042030-

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

THE NATIONAL WEATHER SERVICE IN COLUMBIA SC HAS ISSUED A

* TORNADO WARNING FOR...
  EDGEFIELD COUNTY IN SOUTH CAROLINA

* UNTIL 430 PM EDT 

* AT 333 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  A TORNADO 9 MILES SOUTH OF EDGEFIELD MOVING SOUTHEAST AT 25 
  MPH HEADING TOWARD THE TOWN OF TRENTON.

* THE TORNADO WILL BE NEAR...
  TRENTON AT 340 PM

MWC/RJL

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 4, 1:52 PM EDT	Severe Thunderstorm Warning	CAE	Edgefield, Saluda	53 min
Jun 4, 2:02 PM EDT	Severe Thunderstorm Warning	CAE	Barnwell	43 min
Jun 4, 2:21 PM EDT	Severe Thunderstorm Warning	CAE	Saluda	39 min
Jun 4, 2:26 PM EDT	Severe Thunderstorm Warning	CAE	Lexington	64 min
Jun 4, 3:30 PM EDT	Severe Thunderstorm Warning	CAE	Clarendon	45 min
Jun 4, 5:41 PM EDT	Severe Thunderstorm Warning	CAE	Barnwell	49 min
Jun 4, 5:54 PM EDT	Severe Thunderstorm Warning	CAE	Bamberg	66 min
Jun 4, 6:49 PM EDT	Severe Thunderstorm Warning	CAE	Saluda	26 min
Jun 4, 7:02 PM EDT	Tornado Warning	CAE	Lancaster	28 min
Jun 4, 7:09 PM EDT	Severe Thunderstorm Warning	CAE	Lexington	51 min
Jun 4, 7:17 PM EDT	Severe Thunderstorm Warning	CAE	Richland	58 min
Jun 4, 7:30 PM EDT	Severe Thunderstorm Warning	CAE	Aiken	45 min
Jun 4, 7:38 PM EDT	Severe Thunderstorm Warning	CAE	Sumter	67 min
Jun 4, 7:45 PM EDT	Severe Thunderstorm Warning	CAE	Barnwell	30 min

Nearby

Tornado Warnings in South Carolina, 1998 Every tornado warning in 1998 Tornadoes 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.