A tornado touched down in Roane County the night of May 20. The storm touched down near Oliver Springs as a EF-1 tornado, according to a National Weather Service preliminary survey. The storm tracked ...

Most insurance companies require 6 to 12 hail impacts per 100 sq. ft. of roofing, Henry said. Hail strikes can cause roof shingles to get microcracks or damage underlayers that can lead to leaks.