First published Sep 19, 2026, 12:20:15 AM UTC · Last updated Oct 19, 2026, 2:20:00 AM UTC

Severe Thunderstorm Warning issued by NWS Morristown TN

Reported by U.S. National Weather Service Alerts NWS

National Weather Service (NWS) Morristown TN issued a Severe Thunderstorm Warning on September 18 at 8:01 PM EDT, in effect until September 18 at 8:45 PM EDT (published 2026-09-19T00:01:00Z).

At a glance

Region: Tennessee

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Why it matters

A Severe Thunderstorm Warning signals imminent or ongoing severe thunderstorms that can produce hazardous conditions over a short timeframe for people and near-term travel in the affected area. Those in the warned area should follow local guidance and monitor updates.

Location

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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: 5/10The event's broader significance, from limited importance (1) to major global importance (10).
Impact magnitude: 4/10The scale or severity of the real-world impact, from minor (1) to extreme (10).
Urgency: 8/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Primary official sources

U.S. National Weather Service Alerts NWS Severe Thunderstorm Warning issued September 18 at 8:01PM EDT until September 18 at 8:45PM EDT by NWS Morristown TN

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