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Marine Thunderstorm Wind · Lake Superior

Marine Thunderstorm Wind August 22, 2025 · Duluth Mn To Pt Wing Wi, Lake Superior

41 mph

Measured gust (36 kt)

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

What the National Weather Service wrote

A gust of 41 mph was recorded by the AWOS station KDYT Duluth Sky Harbor Airport.

The wider storm

An area of storms moved across northwestern Wisconsin and along the South Shore of Lake Superior during the afternoon hours of the 22nd. In addition to some small hail, these storms produced wind gusts to around 45 mph near the shore. Over the open waters of western Lake Superior off the Apostle Islands, a gust to 62 mph was recorded by an iron ore hauling vessel.

Began near Sky Harbor Airport (46.7200, -92.0400).

Source: NOAA Storm Events Database, event 1290447. Narratives are written by the National Weather Service forecast office that issued the report.

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