Alert archive / South Carolina / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 177, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 16, 1998, 2:28 AM EDT for Oconee County, South Carolina. It was in force for 47 min. 2 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 16, 1998, 2:28 AM EDT (06:28 UTC)
- Expired
- Jun 16, 1998, 3:15 AM EDT
- In force
- 47 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Whole counties
County Oconee County, SC
The radar
The Greer radar (KGSP), 79 km from the middle of the area, began a volume at 06:29 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 16, 2:40 AM EDT | Hail 1.75 | Walhalla, SC | |
| Jun 16, 2:50 AM EDT | Thunderstorm Wind 50 | Seneca, 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 15, 11:45 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 6.5 hours before the alert went out and 203 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
- 966 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 1804 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 79 m²/s²
- 0-3 km storm-relative helicity
- 90 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 2.9
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 16, 2:12 AM EDT, 16 minutes earlier.
Area forecast discussion, Jun 16, 2:12 AM EDT, 16 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 212 AM EDT TUE JUN 16 1998 RAH: WILL NEED TO DEAL WITH CURRENT TSRA FOR SRN ZONES. CAE/FFC: HIGH MORNING POPS. NOT MUCH TIME TO TALK WITH TSRA BEARING DOWN ON CWA. NRN SECTION OF BOW REMNANTS APPEARS TO BE WEAKENING BELOW SVR BUT STILL STRONG WITH GVL GUSTING TO 33 KTS. BEST PARAMETERS FOR SVR APPEAR TO BE SRN/ERN CWA ALONG BEST LOW LEVEL MOISTURE GRADIENT. SOME NEW TSRA FORMING ON NRN END OF BOW ECHO REMNANTS. RAH WILL HAVE TO ACCOUNT FOR THIS ACROSS SRN ZONES. LARGE AREA OF PRECIP AND ADDITIONAL TSRA TO WEST. WILL NEED HIGH MORNING POPS ACROSS NE GA/SC. ETA SHOWS BRIEF DRYING AND SUBSIDENCE LATER THIS MORNING. THEN SOME MOISTURE CONVERGENCE AND RETURN ALONG WITH SOME LIFT ASSOCIATED WITH SFC TROF NEAR MS VLY. MAY NEED SOME AFT/EVE POPS TO COVER SCT CONVECTION WITH THIS. LONGER LIVED DRYING TO OCCUR AFTER TROF PASSAGE. LOOKS LIKE DRY WX OVERNIGHT TONIGHT AND WED. FAN FCSTING WARM TEMPS AND AT FIRST GLANCE LOOK OK. NUMBERS SHOWN HERE WILL ONLY BE QUICK FIRST GUESS. AVL 85/61/86 4/1/0 CLT 92/69/93 4/1/0 GSP 90/67/92 5/1/0 RWH
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 16, 4:40 AM EDT | Severe Thunderstorm Warning | GSP | Mecklenburg | 30 min |
| Jun 16, 1:44 PM EDT | Severe Thunderstorm Warning | GSP | Caldwell | 61 min |
| Jun 16, 2:09 PM EDT | Severe Thunderstorm Warning | GSP | McDowell | 26 min |
| Jun 16, 2:15 PM EDT | Severe Thunderstorm Warning | GSP | Burke | 45 min |
| Jun 16, 2:18 PM EDT | Tornado Warning | GSP | Alexander, Caldwell | 47 min |
| Jun 16, 3:21 PM EDT | Severe Thunderstorm Warning | GSP | Davie | 34 min |
| Jun 16, 6:05 PM EDT | Severe Thunderstorm Warning | GSP | Catawba | 35 min |
| Jun 16, 2:44 AM EDT | Severe Thunderstorm Warning | GSP | Anderson, Pickens | 46 min |
| Jun 16, 3:15 AM EDT | Severe Thunderstorm Warning | GSP | Greenville | 50 min |
| Jun 16, 3:26 AM EDT | Severe Thunderstorm Warning | GSP | Laurens | 34 min |
| Jun 16, 3:46 AM EDT | Severe Thunderstorm Warning | GSP | Spartanburg, Union | 49 min |
| Jun 16, 4:00 AM EDT | Severe Thunderstorm Warning | GSP | Chester | 50 min |
| Jun 16, 7:00 PM EDT | Severe Thunderstorm Warning | GSP | Abbeville | 35 min |
| Jun 16, 7:16 PM EDT | Severe Thunderstorm Warning | GSP | Greenwood | 14 min |
| Jun 16, 6:24 PM EDT | Severe Thunderstorm Warning | GSP | Elbert | 26 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.