Marine Thunderstorm Wind · Lake Superior

Marine Thunderstorm Wind August 11, 2021 · St Marys River From Point Iroquois To E Potagannissing Bay, Lake Superior

44 mph

Measured gust (38 kt)

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

What the National Weather Service wrote

Buoy station swpm4 SW Pier, MI.

Severe storms crossing eastern upper Michigan passed over the St. Marys River, producing strong wind gusts in excess of 40 mph.

Began near Sault Ste Marie (46.5000, -84.3700).

Source: NOAA Storm Events Database, event 983608. 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.