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Marine Thunderstorm Wind · Lake Superior

Marine Thunderstorm Wind August 16, 2023 · Two Hbrs To Duluth Mn, Lake Superior

40 mph

Measured gust (35 kt)

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

What the National Weather Service wrote

A gust of 35 knots (40 mph) was recorded at the McQuade Nearshore buoy.

The wider storm

Thunderstorms developed during the afternoon and evening hours of the 16th across far northeastern Minnesota ahead of a cold front. Daytime heating led to strong instability over the region and a strong low level jet provided ample wind shear for storms to work with. With the cold front, the storms were generally linear in mode resulting in strong wind guts as they moved over portions of western Lake Superior.

Began near Duluth (46.8600, -91.9300).

Source: NOAA Storm Events Database, event 1131560. Narratives are written by the National Weather Service forecast office that issued the report.

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