Marine Thunderstorm Wind — Black River To Ontonagon Mi, Lake Superior

2011-08-19 · near Ontonagon Light, Black River To Ontonagon Mi, Lake Superior

Event narrative

Numerous trees uprooted and power poles snapped from confirmed weak tornado in the village of Ontonagon.

Wider weather episode

A deep low pressure system moving through northwest Ontario pushed a warm front across the Upper Great Lakes region on the morning of the 19th. This warm front produced strong to severe thunderstorms over western Lake Superior.

View location on OpenStreetMap → (46.8755, -89.3303)

Source: NOAA Storm Events Database, event_id 343689. Narrative written by the NWS forecast office that issued the report.