Marine Thunderstorm Wind — Ontonagon To Upper Entrance of Portage Canal Mi, Lake Superior
2020-08-09 · near Beacon Hill, Ontonagon To Upper Entrance of Portage Canal Mi, Lake Superior
35 MG
Magnitude
Event narrative
The spotter at Freda measured a peak thunderstorm wind gust of 40 mph.
Wider weather episode
Increasing moisture and instability ahead of cold front approaching from the Northern Plains aided the development of strong thunderstorms over portions of Lake Superior on the evening of the 9th.
View location on OpenStreetMap → (47.1300, -88.8200)
Source: NOAA Storm Events Database, event_id 915482. Narrative written by the NWS forecast office that issued the report.