Marine Thunderstorm Wind — Portage Lake To Huron Is Mi To Lower Entrance of Portage Canal To Huron Is Inc Keweenaw and Huron Bays, Lake Superior

2016-07-21 · near Keweenaw Lower Entrance Light, Portage Lake To Huron Is Mi To Lower Entrance of Portage Canal To Huron Is Inc Keweenaw and Huron Bays, Lake Superior

Event narrative

The Keweenaw Bay buoy 45025 measured a peak thunderstorm wind gust of 47 mph.

Wider weather episode

An upper disturbance approaching from the west interacted with a very warm and unstable air mass to produce strong to severe thunderstorms over Lake Superior on the morning of the 21st.

View location on OpenStreetMap → (46.9500, -88.4100)

Source: NOAA Storm Events Database, event_id 653054. Narrative written by the NWS forecast office that issued the report.