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Snow Rollers, Loch a Bhraoin, Wester Ross, Scottish Highlands

Snow Rollers, Loch a Bhraoin, Wester Ross, Scottish Highlands
The snow rollers were wonderful to see, apparently they are a rare phenomenom.

A snow roller is a rare meteorological phenomenon in which large snowballs are formed naturally as chunks of snow are blown along the ground by wind, picking up material along the way, in much the same way that the large snowballs used in snowmen are made.
Unlike snowballs made by people, snow rollers are typically cylindrical in shape, and are often hollow since the inner layers, which are the first layers to form, are weak and thin compared to the outer layers and can easily be blown away, leaving what looks like a doughnut or Swiss roll.[1] Snow rollers have been seen to grow as large as two feet in diameter.
The following conditions are needed for snow rollers to form:
The ground must be covered by a layer of ice to which snow will not stick.
The layer of ice must be covered by wet, loose snow with a temperature near the melting point of ice.
The wind must be strong enough to move the snow rollers, but not strong enough to blow them apart.
Alternatively, gravity can move the snow rollers as when a snowball, such as those that will fall from a tree or cliff, lands on steep hill and begins to roll down the hill.
Because of this last condition, snow rollers are more common in hilly areas. However, the precise nature of the conditions required makes them a very rare phenomenon.

David Lea, Frode Øen, Dave Linscheid, novogorodec and 10 other people have particularly liked this photo


17 comments - The latest ones
Guy Fawkes
Guy Fawkes
Amazing Heather, I never knew that, great shot too.

newer comment done
4 years ago.
Anne Marie McCaffrey
Anne Marie McCaffrey
Beautiful shot.
4 years ago.
Sigmund
Sigmund
A stunning winterlandscape & view. Amazing light and colors. Great work :-))
4 years ago.
Donna Gabhriel
Donna Gabhriel
great picture!
4 years ago.
Larry Drummond
Larry Drummond
Fascinating ! Never heard of this before. But what a gorgeous landscape this is.
4 years ago.
Simons-Photography
Simons-Photography
One of my favourite images for sure , just love those snow rollers :D
4 years ago.
Alphazeta
Alphazeta
Beautiful...sunshine and snow make such a delightful combination.

newer comment done
4 years ago.
Danyel
Danyel
NOOOOOOOOOO! Not winter yet :-)
Just kidding, very nice picture, snow will be here soon!
Thanks for adding your high quality picture on Nature Fine Pictures Gallery
Nature Fine Pictures Gallery
Nature fine pictures gallery
4 years ago.
*starless*
*starless*
Nice one!
4 years ago.
Elizabeth Roberts
Elizabeth Roberts
Fascinating ! Never heard of this before or seen a photo of it.
Superb landscape in the snow.
4 years ago.
Coldwaterjohn
Coldwaterjohn
I had to check the date to ensure that winter hadn't come early to your neck of the woods - time to switch to the winter tyres though. My further education has now increased by the knowledge gained on snow rollers!
4 years ago.
Mendel9331
Mendel9331
That is an amazing shot. Snow rollers are new to me so thank you for the insight.
4 years ago.
(*NIKonGT*)
(*NIKonGT*)
Amazing work, outstanding tones and composition - congrat!
3 years ago.
Jaap van 't Veen
Jaap van 't Veen
SUPER image; looks like a real winter !!
3 years ago.
Dave Linscheid
Dave Linscheid
An interesting phenomenon and a beautiful winter scene.

Group: 100% Winter / Hiver
3 years ago.
Frode Øen
Frode Øen
Excellent shot !!
3 years ago.
Lorna Mchardy
Lorna Mchardy
That whole landscape is wonderful to see :0)
3 years ago.