Snow Donut.


Photo: Mike Stanford

Here's how the strange natural phenomonon of snow donut is formed:

"It's formed by a clump of snow falling off of a cliff or a tree into the snow pack. And if the conditions and temperature are just right, as gravity takes over, it pulls the snow down, and it rolls back on itself," Stanford says. "Usually the center collapses and it creates what we call a pinwheel."

But when the hole stays open, it creates a shape that resembles a car tire covered with ice, or a gigantic, white Cheerio.

http://www.npr.org/templates/story/story.php?storyId=8993287 - via Presurfer


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Picture is edited I believe, snow donuts are real, but are not that big. I remember seeing the original of this somewhere, and both donuts were a lot smaller. I think this is the original article and link...

http://seattletimes.nwsource.com/html/localnews/2003622603_donut17m.html?1
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