Thunderstorm Wind in Menominee (c) County, Wisconsin

Thunderstorms developed as a warm front lifted north through Wisconsin and interacted with moist and unstable air. The storms produced a short-lived waterspout, two brief tornado touchdowns and high winds that downed numerous trees and power lines. The waterspout formed on Lake Poygan (Winnebago co.) and the tornadoes touched down 4 miles west of Mosinee (Marathon co.) and 2 miles west of Clintonville (Waupaca co.).High winds downed trees throughout Shawano (Shawano co.), damaged the Post Office in Wittenberg (Shawano co.), overturned a camper at Redgranite (Waushara co.) and knocked a tree onto a house in Pickerel (Langlade co.).