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Other Clouds
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Optical Effects
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- Wegener arc
Altocumulus undulatus spotted by Haruko's friend, Janet, over Vinalhaven Island, off the coast of Maine, US
A textured sunset over Somerset, England
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Signs of mammatus (mamma) spotted at dawn over Reigate, England
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Signs of pileus at two different levels of this multi-faceted cumulonimbus, spotted over Mesa, Arizona, US
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Notable mammatus (mamma) within a storm system over Bluff, Utah, US
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Altocumulus lenticularis duplicatus in a shape that looks like a 'tornado', spotted looking southwest from Salem, Oregon, US
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An exquisite display in the early Autumn sky over Mercogliano, Italy
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Fallstreak Hole (Cavum) spotted over Sydney, Australia
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A tumultuous sky over Venice, Italy
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Undulatus in various forms, reminding Holly of an apt quote by Keith Wynn; 'I love that no two cloud formations, since time began, have ever been the same. Each moment in time has created its own unique fingerprint.' This unique representation was spotted over Longmont, Colorado, US.
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An approaching storm captured by Paul Powell, near Hubbard Creek Reservoir, Breckenridge, Texas, US
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An expansive display of mammatus (mamma) spotted by Sally Grace Mindrebo, over Albuquerque, New Mexico, US
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Nacreous spotted over Nesodden, Norway
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A vivid rainbow accompanied by mammatus (mamma), spotted from the National Center for Atmospheric Research’s (NCAR) Mesa Laboratory, near Boulder, Colorado, US
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A vivid 22-degree halo spotted around mid-day over Singapore
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Altocumulus lenticularis spotted at sunrise over the Flatirons, south of Boulder, Colorado, US
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