One of the effects of the record cold we just had in Chicago – we had daytime temps of -17°F before you factor in the windchill – is the creation of ice balls in Lake Michigan.
They’re thought to be formed by the tumbling action of the waves on ice that forms on top of the water.
This video was shot on the Michigan side, in Glen Arbor.
They’re not the cleanest things ever, but it is kind of cool.
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