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Marine Thunderstorm Wind · Lake Superior

Marine Thunderstorm Wind October 5, 2023 · Silver Bay Hbr To Two Hbrs Mn, Lake Superior

58 mph

Measured gust (50 kt)

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

What the National Weather Service wrote

A gust of 57 mph was recorded by the SLVM5 GLOS station at the Silver Bay harbor.

The wider storm

Thunderstorms developed ahead of a cold front during the late morning and early afternoon hours of the 5th across northeastern Minnesota. While the storms were rather benign over land with reports of pea-sized hail, stronger wind gusts were reported over the waters of western Lake Superior. Gusts closer to shore were in the 40 to 55 mph range with gusts to 66 mph reported by two Great Lakes bulk carriers over the open waters of western Lake Superior.

Began near Silver Bay Station Slvm5 (47.2700, -91.2500).

Source: NOAA Storm Events Database, event 1143427. Narratives are written by the National Weather Service forecast office that issued the report.

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