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Marine Thunderstorm Wind · Lake Superior

Marine Thunderstorm Wind August 19, 2011 · Portage Lake To Huron Is Mi To Lower Entrance of Portage Canal To Huron Is Inc Keweenaw and Huron Bays, 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

Wind gust measured at buoy 45025 near the Lower Entrance of Portage Canal.

The wider storm

A deep low pressure system moving through northwest Ontario pushed a warm front across the Upper Great Lakes region on the morning of the 19th. This warm front produced strong to severe thunderstorms over western Lake Superior.

Began near Keweenaw Lower Entrance Light (46.9500, -88.4090).

Source: NOAA Storm Events Database, event 343716. Narratives are written by the National Weather Service forecast office that issued the report.

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