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Marine Thunderstorm Wind · Lake Superior

Marine Thunderstorm Wind August 1, 2017 · St Marys River From Point Iroquois To E Potagannissing Bay, Lake Superior

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

What the National Weather Service wrote

The wider storm

Began near Sault Ste Marie (46.5008, -84.3721).

Source: NOAA Storm Events Database, event 722744. Narratives are written by the National Weather Service forecast office that issued the report.

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