The National Weather Service in Blacksburg has confirmed that an EF-1 tornado AND straight-line winds, caused damage Friday evening in Pulaski County. A microburst was the cause of damage in Giles County.
In Giles County, National Weather Service confirmed microburst damage, with maximum wind speeds 90 to 95 mph.
A quick straightening storm moved south-southeast into Giles County, with microburst damage found in the southern-most part of the county, around the last bend of Walker Creek, near and on parts of Flat Hollow and White Pine Road. National Weather Service found numerous snapped trees and large limbs were downed across the area.
A microburst is just a very strong gust of wind that hits the ground and spreads out. Microbursts are formed within thunderstorms and are a downward gust of air.
The same supercell moved into Pulaski County, causing straight-line wind and tornado damage.
Around 8:10 p.m. Friday evening, a supercell was moving through Bella Vista in Pulaski County. While it was producing straight-line winds, the National Weather Service in Blacksburg, confirmed an embedded tornado touched down within the storm, near Blevins Lane. The damage track was very short as it moved East-Northeast, parallel to Sunrise Drive.
The full storm damage survey from NWS Blacksburg can be found here: