Alert archive / South Carolina / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 261, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 19, 1998, 6:26 PM EDT for Spartanburg County, South Carolina. It was in force for 49 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
- Jul 19, 1998, 6:26 PM EDT (22:26 UTC)
- Expired
- Jul 19, 1998, 7:15 PM EDT
- In force
- 49 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Whole counties
County Spartanburg County, SC
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 19, 6:28 PM EDT | Thunderstorm Wind 50 | Spartanburg, SC | |
| Jul 19, 7:00 PM EDT | Thunderstorm Wind 50 | Moore, 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 12:00Z, 10.4 hours before the alert went out and 228 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1872 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 81 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Jul 19, 1:17 PM EDT, 5 hours 9 minutes earlier.
Area forecast discussion, Jul 19, 1:17 PM EDT, 5 hours 9 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
117 PM EDT SUN JUL 19 1998
RAH: SLIGHT CHANCE THIS EVENING.
ALL: MOSTLY SUNNY DAYS/PARTLY CLOUDY NIGHTS. CHANCE MON AFT/EVN.
TEMPS NEAR TODAY'S VALUES.
WARM MOIST AIR BACK OVER ENTIRE REGION TONIGHT. COLD TROUGH ALOFT
MOVING EAST ACROSS N TIER NC WILL ENHANCE ACTIVITY INTO EVENING. ON
MON SHORTWAVE DIVES INTO PROGRESSIVE EAST COAST...AND TAIL END
PASSES OVER CWA FROM N LATE IN DAY. WITH MORE MOISTURE/INSTABILITY
IN PLACE...SCATTERED CONVECTION IN STORE MON AFTERNOON/EVENING.
NEXT WEAK IMPULSE UPSTREAM REMAINS IN MS VALLEY THROUGH LATE TUE.
TEMPERATURES SHOULD REMAIN NEAR PERSISTANCE WITH NO CHANGES TO
UPPE(R/SURFACE PATTERNS.
AVL 65/91/66/91 2330
CLT 69/96/69/96 2330
GSP 70/97/70/97 0330
JATThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 7:44 PM EDT | Severe Thunderstorm Warning | GSP | Union | 51 min |
| Jul 19, 7:38 PM EDT | Severe Thunderstorm Warning | GSP | Oconee | 47 min |
| Jul 19, 7:52 PM EDT | Severe Thunderstorm Warning | GSP | Chester | 48 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.