Marine Thunderstorm Wind · Lake Superior

Marine Thunderstorm Wind September 22, 2017 · Manitou Island To Marquette Mi Beyond 5nm From Shore, Lake Superior

39 mph

Estimated gust (34 kt)

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

What the National Weather Service wrote

Measured wind gust occurred at Granite Island, GRIM4.

During the early morning hours on Sep. 22nd, a strong line of thunderstorms pushed east across Western Lake Superior bringing strong and gusty winds.

Began near Marquette (46.7210, -87.4120).

Source: NOAA Storm Events Database, event 716500. Narratives are written by the National Weather Service forecast office that issued the report.

See every tornado that passed near a place you know, measured to its path.