It is a particularly cold night here and I thought I'd post something related.
Just a couple of weeks ago, during the previous appearance of the polar vortex, someone posted these ice balls that had appeared in lake Michigan.
Apparently, they are created when "small fragments of floating ice act like seeds, with layers upon layers of supercooled lake water freezing around them as the balls churn in the waves. Wind then pushes the ice concretions onshore."
(source)
Just a couple of weeks ago, during the previous appearance of the polar vortex, someone posted these ice balls that had appeared in lake Michigan.
Apparently, they are created when "small fragments of floating ice act like seeds, with layers upon layers of supercooled lake water freezing around them as the balls churn in the waves. Wind then pushes the ice concretions onshore."
(source)
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