Alert archive / South Carolina / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 159, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 5, 1998, 8:43 PM EDT for York County, South Carolina. It was in force for 32 min. 3 reports 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, 8:43 PM EDT (00:43 UTC)
- Expired
- Jun 5, 1998, 9:15 PM EDT
- In force
- 32 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Whole counties
County York County, SC
The radar
The Greer radar (KGSP), 95 km from the middle of the area, began a volume at 00:44 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 5, 8:55 PM EDT | Thunderstorm Wind 50 | Rock Hill, SC | |
| Jun 5, 8:55 PM EDT | Hail 0.88 | Rock Hill, SC | |
| Jun 5, 9:00 PM EDT | Hail 1 | Catawba, SC |
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 nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 0.7 hours before the alert went out and 169 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.
- Mixed-layer CAPE
- 284 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 950 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 69 m²/s²
- 0-3 km storm-relative helicity
- 145 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.8
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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.
NWS Greenville-Spartanburg, SC wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 5, 2:12 PM EDT, 6 hours 31 minutes earlier.
Area forecast discussion, Jun 5, 2:12 PM EDT, 6 hours 31 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 212 PM EDT FRI JUN 5 1998 CAE/RAH/FFC: CHC POPS TONIGHT...20-30% POPS SATURDAY. WITH CLRG LINE PROGRESSING EASTWARD ACRS CWA THIS AFTERNOON... ATMOSPHERE GRADUALLY RECOVERING. WV LOOPS SHOW SOME DRYING ALOFT WHICH MAY BE ENOUGH TO GET SOMETHING ISOLATED GOING...BUT FEEL TSTM CHCS BETTER DURING TONIGHT PERIOD WITH SOME PRE-FRONTAL OR OUTFLOW BNDRYS UPSTREAM WHICH SHOULD MOVE INTO AREA...NOT TO MENTION SYNOPTIC SCALE FRONT SAGGING SE TWDS FA OVERNIGHT. FRONT PROGGED TO BE SOUTH/EAST OF FA BY 00Z SUN WITH DRYING SLATED FOR SATURDAY AFTERNOON. ALWAYS A TOUGH CALL WITH THESE LATE SEASON FRONTS & THEIR PUNCH SWD...SO WITH LINGERING LLVL RH LIKELY...BEST TO LEAVE CHC POPS IN FCST FOR SATURDAY. MODIFIED CONTINENTAL AIRMASS LOOKS TO ENOUGH PUSH TO MOVE IN BY SATURDAY WITH THE COOLEST TEMPS WEVE SEEN IN ABOUT A MONTH. AVL 62/74/55/70 4200 CLT 69/80/63/77 3210 GSP 67/80/60/76 4310 CSH
In the hours before
Special weather statement, Jun 5, 4:32 PM EDT, 4 hours 11 minutes before
NCZ051>053-058-059-062>072-082-SCZ001>014-019-060430- SEVERE WEATHER OUTLOOK...UPDATE NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 432 PM EDT FRI JUN 5 1998 ...STRONG TO SEVERE THUNDERSTORMS POSSIBLE LATE THIS EVENING IN UPSTATE SOUTH CAROLINA AND EXTREME SOUTHERN NORTH CAROLINA... A LINE OF STRONG TO SEVERE THUNDERSTORMS WAS WORKING ITS WAY EASTWARD FROM CENTRAL ALABAMA LATE THIS AFTERNOON AND SHOULD REACH THE UPSTATE OF SOUTH CAROLINA AND THE SOUTHERN MOUNTAINS OF NORTH CAROLINA AROUND 9 PM OR SO...REACHING THE CHARLOTTE METRO AREA AROUND 11 PM. WITH MOSTLY SUNNY SKIES MAXIMIZING DAYTIME HEATING AND ABUNDANT LOW LEVEL MOISTURE IN PLACE...THE ATMOSPHERE HAS ONCE AGAIN BECOME UNSTABLE ENOUGH TO PRODUCE DAMAGING WINDS AND SOME HAIL. A SEVERE THUNDERSTORM WATCH HAS ALREADY BEEN POSTED FOR MOST OF GEORGIA...INCLUDING THE NORTHEAST GEORGIA COUNTIES BORDERING THE CAROLINAS. SHOULD THE THUNDERSTORMS IN ALABAMA MAINTAIN INTENSITY OVER THE NEXT FEW HOURS...IT IS POSSIBLE THAT A WATCH WILL BE ISSUED FOR SOME PARTS OF THE WESTERN CAROLINAS LATER TONIGHT. STAY TUNED TO NOAA WEATHER RADIO...LOCAL RADIO AND TELEVISION OR CABLE TELEVISION FOR LATER STATEMENTS AND POSSIBLE WA RNINGS. BURRUS
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 5, 8:24 PM EDT | Tornado Warning | GSP | Cherokee | 31 min |
| Jun 6, 4:38 PM EDT | Tornado Warning | GSP | Spartanburg, Union | 32 min |
| Jun 6, 5:01 PM EDT | Severe Thunderstorm Warning | GSP | Cherokee | 44 min |
| Jun 6, 5:10 PM EDT | Severe Thunderstorm Warning | GSP | Union | 35 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.