National Weather Service United States Department of Commerce

Overview

A powerful thunderstorm tracked across northwest Wisconsin during the early evening of 5/16/2017. The storm produced a strong, long track tornado that first developed over southeastern Polk County, in the vicinity of Clear Lake, then tracked mostly eastward across southern Barron and southern Rusk counties, possibly into Price County. The hardest hit area was just north of Chetek, WI where high-end EF2 damage was found. the rest of the path ranged from EF0 to EF1 with mainly tree damage, and mostly minor structural damage.

Due to such a long possible path length of greater than 60 miles, we are awaiting additional information, possibly in the form of areal survey results before finalizing the width and length. It is possible more than one tornado occurred if a break in the path is found. In that case, the length would be shorter than 60 miles. 

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