File:Snow pattern mystery (5437709397).jpg

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Why does snow behave in two mutually exclusive ways?

Pictures 1-4: Here the snow mimics the pattern of the underlying surface.

Pictures 5-8: Here the snow inverts the pattern of the underlying surface.

I have only vague ideas what might cause this: - the hollows in the underground conduct heat differently than the tiles and protect the snow from melting, - the hollows in the underground cause eddies in the air-stream and this accumulates more snow.

Marcel Minnaert does not mention this I think, but I will have to search his books again.
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Source snow pattern mystery
Author P K

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This image was originally posted to Flickr by uair01 at https://flickr.com/photos/56759497@N00/5437709397. It was reviewed on 13 May 2021 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

13 May 2021

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Date/TimeThumbnailDimensionsUserComment
current18:25, 13 May 2021Thumbnail for version as of 18:25, 13 May 20213,209 × 1,603 (624 KB)Sentinel user (talk | contribs)Transferred from Flickr via #flickr2commons

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