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Marine Thunderstorm Wind — Outer Apostle Islands Beyond 5 Nm From Mainland, Lake Superior

2023-09-05 · near Devils Island Lighthouse, Outer Apostle Islands Beyond 5 Nm From Mainland, Lake Superior

55 MG

Magnitude

Event narrative

A gust of 55 knots (63 mph) was recorded at DISW3 Devils Island Lighthouse during the storm.

Wider weather episode

Thunderstorms developed ahead of a cold front moving across northern Minnesota during the afternoon hours of the 5th. Areas of wind damage were reported across the Iron Range and Minnesota Arrowhead as the moved to the east. As these storms moved over western Lake Superior, they continued to produce strong winds with a measured gust to 70 mph being recorded by an ore boat traversing the open waters of Lake Superior south of Lutsen.

View location on OpenStreetMap → (47.0800, -90.7300)

Source: NOAA Storm Events Database, event_id 1140783. Narrative written by the NWS forecast office that issued the report.