National Weather Service United States Department of Commerce


A very unstable air mass led to two rounds of thunderstorms across Wisconsin on Thursday, July 21, 2016. The first round moved across northern and central Wisconsin during the morning and contained damaging winds. The second round moved across central and southern Wisconsin during the evening which resulted in damaging winds and flash flooding.

Radar Loop
Radar Loop of Thunderstorms on July 21, 2016
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