Severe Thunderstorm Warning issued September 20 at 6:59PM EDT until September 20 at 7:30PM EDT by NWS Morristown TN

**Severe Thunderstorm Warning issued September 20 at 6:59PM EDT until September 20 at 7:30PM EDT by NWS Morristown TN**

At 659 PM EDT/559 PM CDT/, a severe thunderstorm was located near Whitwell, or 7 miles southwest of Dunlap, moving south at 15 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include... Dunlap, Signal Mountain, Walden, Whitwell, Fairmount, Powells Crossroads, Martin Springs, Cartwright, Lone Oak, and Griffith Creek.

**What You Should Do:**

For your protection move to an interior room on the lowest floor of a building.

**Alert Details:**

- **Severity:** Severe

- **Urgency:** Immediate

- **Issued by:** NWS Morristown TN

- **Effective:** Sep 20, 2026 6:59 PM UTC

- **Expires:** Sep 20, 2026 7:30 PM UTC

*This alert was automatically distributed from the National Weather Service via the IPAWS All-Hazards Information Feed.*