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Marine Thunderstorm Wind · Lake Superior
Marine Thunderstorm Wind July 6, 2020 · Grand Marais To Whitefish Point Mi, Lake Superior
Where the report was made, with tornadoes recorded within 15 miles over the years.
What the National Weather Service wrote
The Grand Marais GLOS station measured a peak thunderstorm wind gust of 44 mph.
The wider storm
A cold front moving through a moist and unstable air mass produced strong thunderstorms over portions of Lake Superior on the afternoon and evening of the 6th.
Began near Grand Marais Light (46.6792, -85.9722).
Source: NOAA Storm Events Database, event 906734. Narratives are written by the National Weather Service forecast office that issued the report.
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