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Marine Thunderstorm Wind · Lake Superior

Marine Thunderstorm Wind August 16, 2023 · Ontonagon To Upper Entrance of Portage Canal Mi, Lake Superior

48 mph

Measured gust (42 kt)

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

What the National Weather Service wrote

The Ontonagon Light GLOS station measured a thunderstorm wind gust of 48 mph.

The wider storm

A cold front moving through an unstable air mass generated strong thunderstorms over portions of western Lake Superior during the evening of the 16th.

Began near Ontonagon Light (46.8769, -89.3285).

Source: NOAA Storm Events Database, event 1131469. Narratives are written by the National Weather Service forecast office that issued the report.

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