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Optical Effects
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This formation over Biddenden, Kent, UK, is often a sign of imminent thunderstorms or an active cold front.
One thought on “Harry van Dijken”
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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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Altocumulus at sunset over River Exe, Exeter, Devon, England
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Signs of homogenitus via contrails over Taylor, Texas, US
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A storm system near Port Bourgenay, La Vendée, France
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Signs of mammatus (mamma) spotted at dawn over Reigate, England
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Crepuscular rays over Khomeynishahr City, Esfahan, Iran
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A trifecta of contrails spotted over Modbury Heights, Adelaide, South Australia, Australia
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I sat on Penarfynydd once and watched an example of this moving in across the sea. The air behind the line was visibly of a different quality to the air ahead – a difference that is impossible to describe except with vague references to clarity and colour.