National Weather Service United States Department of Commerce

Overview

     During the morning hours of June 11, 2017, a line of severe thunderstorms trekked eastward out of South Dakota, across Southern and Central Minnesota, and through Northern Wisconsin into the Upper Peninsula of Michigan. The system produced widespread wind gusts, large hail, and a tornado. Radar output encompassing the period from initial storm development around 1 AM CDT through 3 PM CDT is shown below.

 

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