Thunderstorm Wind in Jefferson County, Wisconsin

A swath of scattered tree, power line, and structural damage across northern Jefferson County. This included many uprooted and snapped trees, power lines down, and fallen trees on vehicles especially in Waterloo and Watertown. Eight power poles were snapped on East Clarkson Rd. in Waterloo. A farm on highway B east of Johnson Creek suffered severe silo damage, and a grove of trees were knocked down nearby.

A line of strong to severe storms developed over central Wisconsin as warm, moist and unstable air aloft surged into the region. The line of storms then moved southeast across southern Wisconsin. Widespread wind damage occurred across much of south central to southeast Wisconsin, with two tornadoes documented along with the high winds.