First published · Last updated
Severe Thunderstorm Warning issued September 18 at 3:29PM EDT until September 18 at 4:15PM EDT by NWS Greenville-Spartanburg SC
A Severe Thunderstorm Warning was issued by the NWS Greenville-Spartanburg (SC) office effective September 18 at 3:29PM EDT through 4:15PM EDT (published 2026-09-18T19:29:00Z).
Categories: severe-weather-and-natural-disasters
Generated scores
Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.
- Confidence
- 9/10
- Geographic reach
- 3/10
- Global importance
- 7/10
- Impact magnitude
- 5/10
- Positivity
- 2/10
- Urgency
- 9/10
Why it matters
An active severe thunderstorm warning denotes potentially hazardous severe weather affecting the named area during the stated period; people in the area and travelers may face storm impacts and should monitor local guidance.

