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Weird arch cloud formation over An Riabhachan.
© DR, Nov 2012
Camera used: Olympus u1030SW,S1030SW
3*VOTING: number of votes 4
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This was the third of three arch clouds, or mist rainbows, or whatever they were we saw today on An Riabhachan. We'd seen a Brocken Spectre as the sun tried to get through and then these appeared. Perfect arches of cloud or mist, and each end had a slight colour to it, like a faint Brocken Spectre halo. The photo doesn't do it justice but I've never seen anything like it before in my life. Any thoughts/ explanations?
DR - 08/Nov/12
It's a fogbow, see http://www.atoptics.co.uk/droplets/fogbow.htm for an explanation.
It's formed in the same way as a rainbow but because the water droplets are a lot smaller it appears white instead of rainbow coloured.
Fiona Reid - 09/Nov/12
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This picture is copyright. If you want to reproduce or otherwise re-use it, please email the photographer direct via their user profile. Photo added November 09 2012.