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Snow Rollers. Mother Nature's special snowballs. They can't be replicated by humans, and occur only under perfect conditions.

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17 Delicately Ethereal Frost Flowers

A frost flower is created on autumn or early winter mornings when ice in extremely thin layers is pushed out from the stems of plants or occasionally wood. This extrusion creates wonderful patterns which curl and fold into gorgeous frozen petioles giving this phenomenon both its name and its appearance.

Snow rollers are formed when the wind blows wet snow into a roll. Three weather conditions must occur simultaneously and in the proper order for snow rollers to take shape. 1st, there has to be sufficient accumulation of light, fluffy snow. 2nd, once the snow has stopped falling, the temperature has to rise above the freezing mark, making the snow sticky. Finally, a strong wind is required to roll the snow up in layers. If the wind is strong enough, the moving ball of snow becomes a…

Snow Rollers: Snow balls formed naturally by strong winds blowing across a flat, snow covered field. Three conditions have to occur for formation of snow rollers: The ground must be icy or be covered with a snow crust. Winds must be strong and gusty. A wet snowfall of at least a couple of inches. Once a snow roller is formed the wind pushes it to roll, collecting snow as it moves, in some cases even creating tracks of bare ground. (snow doughnuts).

Snow roller is a rare meteorological phenomenon in which large cylinders of snow are naturally formed as chunks of snow are blown along the ground by wind

Snow "rolls", one of the rarest winter phenoms were created when wet snow broke off a small cornice. Lost Lake area, Chugach National Forest, near Seward, Alaska.

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Freeze Between The Lines: 30 Amazing Striped Icebergs

Striped Iceberg by Steve Nicol