National Weather Service United States Department of Commerce


A line of severe thunderstorms produced strong winds and hail across central and northeast Wisconsin during the morning of July 21, 2016.

The squall line developed early in the morning in a warm and very humid air mass. Storms produced widespread wind gusts over 55 mph and some hail. Trees and power lines were knocked down at many locations.

The line of storms quickly moved southeast across the area, traversing the northeast third of Wisconsin in about four hours (Vilas County to Manitowoc County).

July 21, 2016 Morning Storm Reports
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