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Marine High Wind · Lake Superior

Marine High Wind December 5, 2017 · Manitou Island To Marquette Mi Beyond 5nm From Shore, Lake Superior

58 mph

Measured gust (50 kt)

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

What the National Weather Service wrote

Storm force winds were observed through December 5th at the Stannard Rock platform. The peak sustained winds during this event were measured at 60mph at times. Persistent wind gusts measured during this event ranged from 57mph to 68 mph. A couple of peak gust did exceed 70mph, one measured in at 71mph around 10am EST on 12/5 and the other measured in at 75mph around 6:33pm EST.

The wider storm

Storm force westerly winds impacted all of Lake Superior early December as a strong low pressure system tracked across the region.

Began near Manitou Island (47.1800, -87.2300).

Source: NOAA Storm Events Database, event 729652. Narratives are written by the National Weather Service forecast office that issued the report.

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