National Weather Service United States Department of Commerce

Overview

On June 15, a cold front moved across northeast Wisconsin and generated widespread severe weather. Thunderstorms developed during the early afternoon hours over southeast Minnesota and northeast Iowa before intensifying over southwest Wisconsin. The strong strong to severe storms moved into north-central Wisconsin between 3 and 4 pm and raced northeast with an impressive forward speed of 40 to 75 mph. Thunderstorm wind damage was reported across Langlade, Marathon, Portage, and Waushara counties as the storms moved through.

The storms gradually congealed into broken line segments over northeast Wisconsin. Downed trees and powerlines were reported from Crivitz to Neenah from these clusters of storms.

The storms knocked out power for over 60,000 customers across central and northeast Wisconsin.

NWS Green Bay continues to analyze damage surveys to characterize the nature of the damage across north-central and northeast Wisconsin. Additional analysis from drone and fly-over footage is also ongoing. More information will follow in the coming days.  

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