Marine Thunderstorm Wind — Two Hbrs To Duluth Mn, Lake Superior

2024-07-31 · near Two Harbors Lakeside, Two Hbrs To Duluth Mn, Lake Superior

Event narrative

The KTWM AWOS at the Two Harbors airport reported a peak wind gust speed of 47 mph from a gust front associated with a line of thunderstorms.

Wider weather episode

Very warm and humid conditions ahead of a cold front moving into the Northland on the afternoon of the 31st led to the development of thunderstorms. These storms went on to produce damaging wind gusts that led to widespread reports of trees and power lines down across northeastern Minnesota during the late afternoon and early evening hours. As the storms crossed western Lake Superior, they produced gusts as high as 53 mph at the Duluth Sky Harbor Airport.

View location on OpenStreetMap → (47.0529, -91.7423)

Source: NOAA Storm Events Database, event_id 1199761. Narrative written by the NWS forecast office that issued the report.