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Marine Thunderstorm Wind · Lake Superior

Marine Thunderstorm Wind July 1, 2011 · Black River To Ontonagon Mi, 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 measured gust recorded by the Ontonagon GLOS site.

The wider storm

A cold front moving through a warm and unstable airmass produced a line of strong to severe thunderstorms across much of Lake Superior from late evening on the 1st into the early morning of the 2nd.

Began near Ontonagon Light (46.8769, -89.3285).

Source: NOAA Storm Events Database, event 329604. Narratives are written by the National Weather Service forecast office that issued the report.

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