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Optical Effects
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A storm system over Alamosa, Colorado, US.
Cumulus over White Tank, New Zealand
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Stratocumulus over Nieuwege, Belgium
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Jellyfish of the sky, also known as Altocumulus clouds producing the evaporating precipitation trails known as virga, spotted drifting over Portland, Oregon, US.
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A classic cap cloud forming over Mount Rainier, Washington, US.
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Dramatic lighting of Stratocumulus spotted over Seattle from Juanita Beach, Lake Washington, WA, US.
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A high formation of Altocumulus stratiformis undulatus, also known more poetically as ‘a mackerel sky’. Spotted over Bendigo, Victoria, Australia.
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Cumulus mediocris over Vermontville, New York, US.
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A stacked form of Altocumulus lenticularis, known by the French term pile d'assiettes, spotted over Cervinia, Italy.
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Cumulus and Cirrostratus over Blakeney, Gloucestershire, England. “To my eye this cloud looks like a bizarre two-headed 'push-me-pull-you' crocodile,“ says Jeremy Williams, “but maybe I’m hallucinating!”
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Virga over Alamos, Mexico
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Fog over Saseenos, Canada
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Shreds of Stratus, known as Stratus fractus, on the slopes near the Blackfoot River in Montana, US.
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Rainbow over Oostelbeers, The Netherlands
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Intense rainbow action spotted over Durham, North Carolina, US, including a primary bow, a secondary bow, supernumerary bows (tiny fringes inside the primary bow) and Alexander’s Dark Band (the darker sky between the bows).
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Altocumulus illuminated by the rays of sunrise with lower Stratocumulus lenticularis formations in shadow over Whiteface Mountain, Adirondack Mountains, NY, US.
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