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Marine Thunderstorm Wind · Lake Superior

Marine Thunderstorm Wind July 21, 2016 · Black River To Ontonagon Mi, Lake Superior

69 mph

Estimated gust (60 kt)

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

The Ontonagon County emergency manager reported dozens of trees down in and around the village of Ontonagon, including several down on homes. Power was out in the village for nearly 8 hours.

The wider storm

An upper disturbance approaching from the west interacted with a very warm and unstable air mass to produce strong to severe thunderstorms over Lake Superior on the morning of the 21st.

Began near Ontonagon Light (46.8700, -89.3200).

Source: NOAA Storm Events Database, event 651601. Narratives are written by the National Weather Service forecast office that issued the report.

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