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Optical Effects
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A collection of nacreous formations over Alloa, Scotland.
One thought on “Alan Tough”
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Sunset over Taiwan
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When Lisa first saw this sky, she thought it would be a good quiz for cloudspotters; 'how many different kinds of clouds can one identify?' And it appears that the sky agreed by way of a visible question mark, as spotted here over Bellport Bay, Long Island, New York, US.
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Sunset over New Taipei City, Taiwan
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A classic example of a distrail, also known as a dissipation trail, when a clear path is formed through a cloud by the passage of an airplane. It develops when the heat from an aircraft's engine warms and evaporates supercooled cloud droplets. This distrail, along with a nearby contrail, was spotted over Montmeló, Barcelona, Spain.
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Sunset-illuminated cumulus over Ximending, Taipei, Taiwan
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Sunset over Arnhem, The Netherlands
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Altocumulus undulatus spotted by Haruko's friend, Janet, over Vinalhaven Island, off the coast of Maine, US
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As these clouds drifted towards John, they looked like thistle down erupting from the top of the large Norway Maple tree, spotted over Sagaponack, New York, US
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As a notable cumulonimbus approached from the west, Mary-Grace remarked 'the face of the storm' for that is what it looked like as it moved inland, near North Devon, England
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Altocumulus floccus spotted over Sydney, Australia
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A blanket of stratocumulus over Puget Sound, Washington, US
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Which vertebrae are represented in this contrail, Gary wondered, when he spotted it over Zion, Illinois, US
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A textured sunset over Somerset, England
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Altocumulus over Saint-Nazaire, France
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Contrails and cumulus sharing the sky over Walnut Creek, California, US
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Alan, this is brilliant capture of a rare sight!
Good man!
Laurence