First published 9/19/2026, 12:17:15 AM · Last updated 9/19/2026, 12:17:15 AM

Severe Thunderstorm Warning — NWS Greenville-Spartanburg (issued Sep 18 8:08PM EDT)

The National Weather Service Greenville-Spartanburg issued a Severe Thunderstorm Warning on Sep 18 at 8:08 PM EDT (published 2026-09-19T00:08:00Z) valid until 9:00 PM EDT. The warning covers the Greenville–Spartanburg, South Carolina forecast area.

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: 9/10How certain the assessment is based on the clarity and evidence in the cited reporting.
Geographic reach: 3/10How widely the event reaches, from a local area (1) to worldwide impact (10).
Global importance: 6/10The event's broader significance, from limited importance (1) to major global importance (10).
Impact magnitude: 5/10The scale or severity of the real-world impact, from minor (1) to extreme (10).
Positivity: 2/10How harmful or beneficial the event is, from strongly harmful (1) to strongly positive (10).
Urgency: 9/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Why it matters

Severe thunderstorm warnings indicate imminent or occurring storms that can produce damaging winds, hail, and heavy rain, posing risks to life, property, and travel in the affected area. Residents and travelers in the Greenville–Spartanburg region should seek shelter and monitor local updates.

Location

Sources

Severe Thunderstorm Warning issued September 18 at 8:08PM EDT until September 18 at 9:00PM EDT by NWS Greenville-Spartanburg SC

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