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Marine Thunderstorm Wind · Lake Superior

Marine Thunderstorm Wind July 21, 2016 · Point Isabelle To Lower Entrance of Portage Canal 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

The peak thunderstorm wind gust at the Grand Traverse Bay GLOS station was 47 mph.

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 Traverse Bay (47.1800, -88.2400).

Source: NOAA Storm Events Database, event 653050. Narratives are written by the National Weather Service forecast office that issued the report.

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