Stunning drone footage shows a massive, spinning disc of ice — roughly 100 yards in diameter — in the frigid waters of the Presumpscot River in Westbrook, Maine https://t.co/eFo9xvHRvX pic.twitter.com/fK7yhegadg
— CNN (@CNN) January 17, 2019
(CNN) — It may look like the surface of the moon, but the phenomenon captured in the video above is a little closer to Earth.
A huge, spinning disc of ice — roughly 100 yards in diameter — has formed in the freezing waters of the Presumpscot River in Westbrook, Maine.
A Westbrook city official captured this incredible drone footage that shows the near-perfect disc moving around in a counterclockwise direction.
Experts say discs usually form in a slow-moving, rotating part of a river, such as an eddy. The water freezes faster than the rest, forming a circle of ice.
It’s a natural, but rare, phenomenon.
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Stunning drone footage shows a massive, spinning disc of ice — roughly 100 yards in diameter — in the frigid waters of the Presumpscot River in Westbrook, Maine https://t.co/eFo9xvHRvX pic.twitter.com/fK7yhegadg
— CNN (@CNN) January 17, 2019
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