SVRMRX The National Weather Service in Morristown has issued a * Severe Thunderstorm Warning for... Southwestern Sequatchie County in east Tennessee... Northeastern Marion County in east Tennessee... West central Hamilton County in east Tennessee... * Until 730 PM EDT/630 PM CDT/. * At 641 PM EDT/541 PM CDT/, a severe thunderstorm was located near Dunlap, moving south at 20 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.