National Weather Service United States Department of Commerce


Sunday, April 9th was an unseasonably warm day across the area with a warm front bisecting Upper Michigan. During the afternoon hours, an elongated area of training showers and thunderstorms developed along this frontal boundary across central and eastern portions of Upper Michigan. Later Sunday night into Monday, with little southward movement, the warm front continued to initiate convection across northern Wisconsin as moisture began to lift back north. This convection then moved across central portions of Upper Michigan bringing large hail and damaging straight-line winds of 70-80 mph. The strongest winds were focused from Republic into Negaunee in Marquette County as the convection grew upscale into a bow echo. At one point, over 5,000 residences and businesses were without power due to sporadic to widespread power outages from Republic into Negaunee.  

Rotted, large tree snapped and fell just on the north of the Doppler radar at the NWS office in the Negaunee Township.
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