Thunderstorm Wind in Waukesha County, Wisconsin

A swath of scattered tree and powerline damage across the county, but with heavier concentrations of damage in some areas. There was widespread tree damage on the west side of Lake Okauchee, and also a concentration of uprooted and snapped trees, including some felled on homes, near North Prairie. Another concentration of many snapped pine trees near the intersection of Waterville Rd. and Robinhood Dr. Another concentration of trees and powerlines down near Big Bend and yet another in the Sussex area.

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.