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Marine Thunderstorm Wind · Lake Superior

Marine Thunderstorm Wind May 31, 2013 · Ontonagon To Upper Entrance of Portage Canal Mi, Lake Superior

59 mph

Measured gust (51 kt)

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

What the National Weather Service wrote

Wind gusts at or above 50 knots were measured by the spotter in Freda and also the GLOS station at Portage Canal.

The wider storm

Upper disturbances moving through a warm and unstable air mass produced several strong to severe thunderstorms over the west half of Lake Superior during the evening of the 31th.

Began near Beacon Hill (47.1300, -88.8200).

Source: NOAA Storm Events Database, event 452391. Narratives are written by the National Weather Service forecast office that issued the report.

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