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Marine Thunderstorm Wind · Lake Superior

Marine Thunderstorm Wind May 25, 2021 · Point Isabelle To Lower Entrance of Portage Canal Mi, Lake Superior

49 mph

Measured gust (43 kt)

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

What the National Weather Service wrote

The Grand Traverse Bay GLOS measured a thunderstorm wind gust to 49 mph.

The wider storm

Building moisture and instability ahead of an advancing cold front generated strong to severe thunderstorms over portions of Lake Superior on the evening of the 25th.

Began near Traverse Bay (47.1798, -88.2413).

Source: NOAA Storm Events Database, event 956935. Narratives are written by the National Weather Service forecast office that issued the report.

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