Storm Record · Jefferson, Walworth, Waukesha Counties

June 18, 2010: Straight-line wind in Jefferson, Walworth and Waukesha Counties

76mph
Strongest gust
6
NWS reports

What the National Weather Service recorded

A bowing MCS developed in Iowa ahead of a cold front and pushed eastward into southern Wisconsin during the afternoon. The event was characterized by gusty winds with minor damage (trees down and power lines down) as well as heavy rain. At one point, more than 19,000 WE Energies' customers over southeast Wisconsin were without power after the event - mostly in the counties of Racine and Kenosha.

Source: NOAA Storm Events Database · episode 39423

Every report, in the Weather Service's words

Where It Hit

Location County Hazard Size Report
Mukwonago Waukesha Wind 76 mph wind Powerful thunderstorm wind gusts toppled several large trees.
Muskego Waukesha Wind 75 mph wind A trained spotter estimated a wind gust of 65 knots and a few large trees uprooted or broken.
Lake Geneva Walworth Wind 64 mph wind Public reported trees and power lines down. A house was damaged resulting in approximatley $2,000 worth of damage.
Lake Geneva (3 E) Walworth Wind 63 mph wind
Delavan (1 W) Walworth Wind 60 mph wind Ham Radio Operator reported estimated gusts up to 52 knots.
Watertown (.84 SW) Jefferson Wind 58 mph wind A tree two and one half feet in diameter blew down partially blocking the intersection of Highway 26 and Milwaukee Street in Watertown. Time estimated from radar.
Source: NOAA Storm Events Database, Wisconsin

Service areas this storm touched