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Marine Thunderstorm Wind · Lake Superior

Marine Thunderstorm Wind June 29, 2018 · Ls W of in Saxon Hbr Wi To Grand Portage Mn Byd 5nm, Lake Superior

63 mph
Measured gust (55 kt)

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

What the National Weather Service wrote

The ship Algoma Guardian recorded a wind gust of 55 knots.

The wider storm

A line of thunderstorms began in western North Dakota early in the evening of June 28th and then swept into northern Minnesota during the early morning hours of the 29th. While there were a few hail reports, this line was primarily a damaging wind producer and featured a measured gust to 80 mph. Numerous trees were damaged by the storms and fell onto homes and power lines.The storms continued to produce strong winds over the open waters of Lake Superior, but weakened to the south as they moved into northwestern Wisconsin.

Began near Silver Bay Harbor (47.1625, -90.9644).

Source: NOAA Storm Events Database, event 763437. Narratives are written by the National Weather Service forecast office that issued the report.

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