Thunderstorm Wind in Smyth County, Virginia

Thunderstorm winds caused considerable damage between Chilhowie and Marion. Winds from these storms damaged seven commercial structures, three government buildings, and 24 residential buildings. Numerous trees and power lines were also reported down due to thunderstorm winds.

Several rounds of severe thunderstorms developed along and in advance of a cold front. Multicellular clusters and supercells were the primary storm modes during this event which produced damaging winds, large hail and a brief EF-0 tornado. CAPE values of 1,000 to 2,500 j/kg and helicity values near 300 m2/s2 contributed to the widespread and organized nature of the storms.