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Marine Thunderstorm Wind · Lake Superior

Marine Thunderstorm Wind August 19, 2015 · St. Marys River From Point Iroquois To East Potagannissing Bay, Lake Superior

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

The wider storm

Began near Sault Ste Marie (46.4979, -84.3798).

Source: NOAA Storm Events Database, event 600965. Narratives are written by the National Weather Service forecast office that issued the report.

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