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Optical Effects
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- Wegener arc
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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A plethora of cloud formations over Kamloops, British Columbia, Canada
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Iridescence upon clouds that take on a resemblance of a dog and a snack, spotted over Parole, Maryland, US
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Anti-crepuscular rays viewed when looking east during sunset over Phnom Penh, Cambodia
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Cumulus congestus over the Pacific Ocean, spotted near Hualien, Taiwan
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Crepuscular rays and shadows during sunset over Brown County, Minnesota, US
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Driving home, Heidi saw this cloud descending into the sunlight, over Vermont, US
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A layer of stratus as viewed from the Alkai swamp trail on the Napali Coast, Kauai, Hawaii, US
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Asperitas spotted over Seoul, South Korea
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Cumulus congestus as seen from the gothic cemetery of Comillas, Spain
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Monsoon storm clouds at sunset over Tucson, Arizona, US
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Contrails over Vermontville, Adirondacks, New York, US
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Sun Dogs (Parhelion) over Dartmouth, Devon, England
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A mosaic of clouds and colour over Jhargram, West Bengal, India
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Virga illuminated by the setting sun over Owens Valley, California, US
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Altocumulus floccus over Lichtenau, Lower Austria
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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.