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Marine Thunderstorm Wind · Lake Superior

Marine Thunderstorm Wind September 5, 2023 · Ontonagon To Upper Entrance of Portage Canal Mi, Lake Superior

43 mph

Measured gust (37 kt)

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

What the National Weather Service wrote

Peak thunderstorm wind gust measured by the Upper (North) Entrance Portage Canal buoy (45023).

The wider storm

Upper disturbances moving through the moist and unstable air mass produced strong to severe thunderstorms over portions of Lake Superior from the evening of the 5th into the morning of the 6th.

Began near Keweenaw Upr Ent Lt (47.2700, -88.6100).

Source: NOAA Storm Events Database, event 1131739. Narratives are written by the National Weather Service forecast office that issued the report.

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