Severe thunderstorms rocked eastern Colorado on Sunday, June 30, according to the
National Weather Service (
NWS).Timelapse footage filmed by Chad Casey along Highway 287 shows a shelf cloud making its way over Aroya. A sped-up herd of cows can be seen zipping hither and yon as the storm progresses.The
NWS warned of strong winds and hail for Cheyenne County on Sunday. Credit: Chad Casey via Storyful