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

Severe Thunderstorm Warning issued September 18 at 8:02PM EDT until September 18 at 9:00PM EDT by NWS Greenville-Spartanburg SC

The National Weather Service Greenville-Spartanburg (SC) issued a Severe Thunderstorm Warning starting Sept 18 at 8:02 PM EDT (2026-09-19T00:02:00Z) and expiring Sept 18 at 9:00 PM EDT.

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

An official severe thunderstorm warning signals imminent hazardous weather for the NWS Greenville-Spartanburg service area during the stated time window. People and travelers in the warned area should be aware of potential impacts and follow local guidance.

Location

Sources

Severe Thunderstorm Warning issued September 18 at 8:02PM EDT until September 18 at 9:00PM EDT by NWS Greenville-Spartanburg SC

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