Thunderstorm Wind in Tuscola County, Michigan

Trees reported down in Vassar.

A well-organized line of strong to severe thunderstorms developed early afternoon on Tuesday, September 7th, along and ahead of an advancing cold front. The majority of the damage was observed north of I-69 in cities such as Midland and Saginaw, where extensive tree damage, power outages, and 1 hail were observed; however, less widespread reports were received south of the I-69 corridor. The line of storms farther south was followed by a swath of high winds, where sustained winds (not associated with thunderstorms) were observed to be 40-50 mph, with gusts up to 60 mph. Between the severe thunderstorms and high winds, approximately 150,000 customers lost power.