The incident happened in Orange County when the storms swept through late Monday afternoon, July 3.
The building affected in the village of Chester was the old Chester High School on Maple Avenue, which is currently used for BOCES classes.
No one was in the building at the time and no injuries were reported, according to Mark Lieb of Rockland Video Productions.
After the incident, Chester Union Free School District Superintendent Catherine O'Hara said safety measures were underway to address the removal of debris.
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