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Marine Thunderstorm Wind · Lake Superior

Marine Thunderstorm Wind July 18, 2020 · Portage Lake To Huron Is Mi To Lower Entrance of Portage Canal To Huron Is Inc Keweenaw and Huron Bays, Lake Superior

94 mph

Estimated gust (82 kt)

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

What the National Weather Service wrote

There was a public report of a roof blown off a house and numerous large trees snapped off or uprooted in Pequaming.

The wider storm

A cold front moving through a moist, unstable and strongly sheared environment produced strong to severe thunderstorms over portions of Lake Superior late evening on the 18th into the early morning of the 19th.

Began near Rock Beach Point (46.8500, -88.3900).

Source: NOAA Storm Events Database, event 908736. Narratives are written by the National Weather Service forecast office that issued the report.

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