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Marine Thunderstorm Wind · Lake Superior

Marine Thunderstorm Wind July 1, 2023 · St Marys River From Point Iroquois To E Potagannissing Bay, Lake Superior

43 mph

Measured gust (37 kt)

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

The wider storm

Isolated thunderstorms formed across portions of eastern upper and northern lower Michigan during the afternoon as a seasonably strong shortwave progressed overhead. One of these thunderstorms produced wind gusts in excess of 34 kts over the St. Marys River.

Began near Rock Cut (46.2800, -84.2100).

Source: NOAA Storm Events Database, event 1126545. Narratives are written by the National Weather Service forecast office that issued the report.

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