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Marine Thunderstorm Wind · Lake Superior

Marine Thunderstorm Wind July 21, 2016 · Manitou Island To Point Isabelle Mi, Lake Superior

47 mph

Measured gust (41 kt)

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

What the National Weather Service wrote

There was a peak thunderstorm wind gust of 47 mph at the Grand Traverse Bay GLOS station.

The wider storm

An upper disturbance approaching from the west interacted with a very warm and unstable air mass to produce strong to severe thunderstorms over Lake Superior on the morning of the 21st.

Began near Point Isabelle (47.1800, -88.2400).

Source: NOAA Storm Events Database, event 651604. Narratives are written by the National Weather Service forecast office that issued the report.

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