Planet Briefing

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Severe Thunderstorm Warning issued by NWS Greenville-Spartanburg SC

The National Weather Service Greenville-Spartanburg office issued a Severe Thunderstorm Warning on Sept 18 at 5:35 PM EDT (2026-09-18T21:35:00Z) valid until 6:15 PM EDT for the Greenville–Spartanburg, SC 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
9/10
Geographic reach
3/10
Global importance
5/10
Impact magnitude
4/10
Positivity
2/10
Urgency
9/10

Why it matters

Severe thunderstorms can produce damaging wind, hail, heavy rain, and lightning that pose risks to people, property, and travel in the warned area while the warning is in effect.

Location

Sources

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