Marine Thunderstorm Wind — St Marys River From Point Iroquois To E Potagannissing Bay, Lake Superior

2024-10-06 · near Sault Ste Marie, St Marys River From Point Iroquois To E Potagannissing Bay, Lake Superior

Event narrative

Thunderstorm wind gust to 46mph with the initial line of thunderstorms, measured at ASOS KANJ Sault Ste Marie Municipal Airport in Sault Ste. Marie, MI. Half-inch diameter hail reported approximately 1 statute mile southwest of the ASOS, on West 25th Street, 10 minutes prior to reported gust time.

Wider weather episode

A sharp cold front arrived during the early morning hours of October 6th. While the passage was during the overnight hours, a few hundred joules of instability ended up being just enough to aid in stronger winds aloft mixing to the surface. The primary thunder threat with this remained over the eastern U.P. of Michigan into the Tip of the Mitt region prior to 3am ET...with some small hail reported in Sault Ste. Marie, MI with the initial line. Behind this front...winds remained gusty through the rest of the day over much of the region as cooler temperatures overtook the region.

View location on OpenStreetMap → (46.4700, -84.3700)

Source: NOAA Storm Events Database, event_id 1208339. Narrative written by the NWS forecast office that issued the report.