Cool ice formations my friend discovered on his deck this morning

Re:Cool ice formations my friend discovered on his deck this... by engineer_22 on Sunday February 06, 2022 @11:38AM (#30234091)

This is called hoarfrost

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Re:Cool ice formations my friend discovered on his deck this... by CommieBobDole on Sunday February 06, 2022 @11:47AM (#30234177)

I don't think that's correct - hoarfrost is sort of a feathery looking frost that forms from water vapor in the air on cold, clear nights.

This looks more like ice created from water freezing inside something and being extruded through cracks or holes.

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Re:Cool ice formations my friend discovered on his deck this... by CrazyStat on Sunday February 06, 2022 @11:48AM (#30234187)

Hoarfrost is ice crystals that grow in place, which is different. This looks to be formed by extrusion.

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Re:Cool ice formations my friend discovered on his deck this... by drewcoo on Sunday February 06, 2022 @12:09PM (#30234417)

The spiraling icicles in the photo are not hoarfrost.

Wind conditions there must me interesting.

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Re:Cool ice formations my friend discovered on his deck this... by smoldesu on Sunday February 06, 2022 @11:38AM (#30234095)

That's... phonetically unfortunate.

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