Alert archive / South Carolina / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 119, NWS Columbia, SC

June 10, 1998Edgefield County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Jun 10, 1998, 4:11 PM EDT for Edgefield County, South Carolina. It was in force for 49 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 10, 1998, 4:11 PM EDT (20:11 UTC)
Expired: Jun 10, 1998, 5:00 PM EDT
In force: 49 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 20:13 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 10, 4:30 PM EDT	Thunderstorm Wind 50	Edgefield, SC	Highway Patrol reported trees down in North Edgefield on U.S. 25.

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 10, 2:00 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 8.2 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: 381 J/kg
Mixed-layer CIN: -83 J/kg
Mixed-layer LCL: 860 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 253 m²/s²
0-3 km storm-relative helicity: 267 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 3.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCAE 102014
SVRCAE
SCC037-102100-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
411 PM EDT WED JUN 10 1998

THE NATIONAL WEATHER SERVICE IN COLUMBIA SC HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN EDGEFIELD COUNTY IN SOUTH CAROLINA

* UNTIL 500 PM EDT 

* AT 410 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  A SEVERE THUNDERSTORM IN NORTHERN EDGEFIELD COUNTY DRIFTING 
  SLOWLY EAST AT 10 MPH . THIS STORM WILL DRIFT ALONG HWY 378 
  THROUGH 445 PM.

TA/MC

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Jun 10, 2:48 PM EDT, 1 hour 23 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
248 PM EDT WED JUN 10 1998

TIME (EDT) .....CITY LOCATION....... ST   ...EVENT/REMARKS...
           .....COUNTY LOCATION.....

225 PM     10 S EDGEFIELD            SC   .75 INCH HAIL
06/10/98   EDGEFIELD                      SKYWARN SPOTTER

MWC

Local storm report, Jun 10, 2:50 PM EDT, 1 hour 21 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
250 PM EDT WED JUN 10 1998

TIME (EDT) .....CITY LOCATION....... ST   ...EVENT/REMARKS...
           .....COUNTY LOCATION.....

232 PM     BATESBURG-LEESVILLE       SC   .75 INCH HAIL
06/10/98   LEXINGTON                      SKYWARN SPOTTER

MWC

Local storm report, Jun 10, 3:21 PM EDT, 50 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA, SC
321 PM EDT WED JUN 10 1998

TIME (EDT) .....CITY LOCATION....... ST   ...EVENT/REMARKS...
           .....COUNTY LOCATION.....

240 PM     LONESTAR                  SC   TREES DOWN ON POWER LINES.
06/10/98   CALHOUN                        REPORTED BY TRI-COUNTY
                                          ELECTRIC.
DAE

Local storm report, Jun 10, 3:21 PM EDT, 50 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA, SC
321 PM EDT WED JUN 10 1998

TIME (EDT) .....CITY LOCATION....... ST   ...EVENT/REMARKS...
           .....COUNTY LOCATION.....

240 PM     LONESTAR                  SC   TREES DOWN ON POWER LINES.
06/10/98   CALHOUN                        REPORTED BY TRI-COUNTY
                                          ELECTRIC.
DAE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 9, 8:21 PM EDT	Severe Thunderstorm Warning	CAE	Aiken, Barnwell	54 min
Jun 10, 6:59 AM EDT	Severe Thunderstorm Warning	CAE	Fairfield	31 min
Jun 10, 9:26 AM EDT	Severe Thunderstorm Warning	CAE	Clarendon	64 min
Jun 10, 1:09 PM EDT	Severe Thunderstorm Warning	CAE	Calhoun, Richland, Sumter	51 min
Jun 10, 1:59 PM EDT	Severe Thunderstorm Warning	CAE	Calhoun	61 min
Jun 10, 2:18 PM EDT	Severe Thunderstorm Warning	CAE	Edgefield	42 min
Jun 10, 2:21 PM EDT	Severe Thunderstorm Warning	CAE	Lexington	39 min
Jun 10, 4:08 PM EDT	Severe Thunderstorm Warning	CAE	McCormick	37 min
Jun 10, 4:21 PM EDT	Severe Thunderstorm Warning	CAE	Barnwell	39 min
Jun 10, 4:42 PM EDT	Severe Thunderstorm Warning	CAE	Lexington, Saluda	48 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 1998 Every 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.