Spinning disks of ice can form naturally in slow-moving parts of streams and rivers. What happens is a large chunk of ice gets caught in a quiet part of the river and then is spun and shaped into a circle by the nearby current.
In the video above, Tina Radel captured a particularly huge ice circle in the Presumpscot River in Westbrook, Maine…it’s about 100 yards across!
A couple of years ago, a smaller ice circle was observed in Washington and “went viral”:
The Westbrook ice circle isn’t that much smaller than the world’s largest man-made ice circle, which was fashioned in Maine last year and turned into a carousel by attaching several outboard motors to it.
Tags: Tina Radel videofrom kottke.org http://bit.ly/2DgEdza
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