Thunderstorm Wind in Crawford County, Ohio

Trees downed in northwestern Crawford County, between Sycamore and Chatfield. Damage was caused by a line of thunderstorms.

During the late morning through early afternoon of the 11th, an occluded surface low drifted eastward from near Green Bay to northwestern Lower MI. This allowed the accompanying warm front to drift northeastward from northwest PA into southwestern NY, while the low's cold front swept eastward from northeastern IN to north-central OH. Ahead of the cold front and within the warm sector, a line of multicell rain showers and thunderstorms generated sporadic straight-line convective wind damage in Wyandot and Marion Counties to Ashland County as the line persisted generally eastward in northern OH. Behind the line, a cluster of multicell rain showers generated a severe-caliber peak straight-line convective wind gust at the Lorain County Airport ASOS as the cluster of showers persisted generally northeastward. These showers and storms occurred in an ambient environment with moderate effective bulk shear and weak MUCAPE.