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Marine Thunderstorm Wind · Lake Superior

Marine Thunderstorm Wind September 7, 2021 · Chequamegon Bay Bayfield To Oak Pt Wi, Lake Superior

39 mph

Measured gust (34 kt)

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

What the National Weather Service wrote

Measured gust at the CWOP mesonet station DW6222 at the La Pointe ferry dock.

The wider storm

A potent low level jet ahead of an advancing cold front brought a round of thunderstorms to western Lake Superior during the early morning hours of the 7th. In the wake of the cold front later in the day, a deepening surface low brought another round of storms across the lake during the afternoon and evening hours. Both rounds brought sporadic strong winds gusts to the head of the lake area.

Began near Bayfield (46.7788, -90.7867).

Source: NOAA Storm Events Database, event 984588. Narratives are written by the National Weather Service forecast office that issued the report.

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