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Other Clouds
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Optical Effects
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Fallstreak Hole (Cavum), which occurs when supercooled water droplets freeze, creating ice crystals that become heavy and fall below as virga. This classic example was spotted over Maroochydore, Queensland, Australia.
Altocumulus perlucidus spotted over Sacramento, California, US
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Fallstreak Hole (Cavum) within a layer of Altocumulus perlucidus translucidus, spotted over Whitstable, Kent, England
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Altocumulus perlucidus spotted over Conwy, North Wales
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Altocumulus floccus perlucidus spotted over Terling, Essex, England
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Altocumulus perlucidus spotted over Shulin District, New Taipei City, Taiwan
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Altocumulus floccus perlucidus spotted over Linkou District, New Taipei City, Taiwan
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Altocumulus perlucidus spotted over Shulin District, New Taipei City, Taiwan
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Altocumulus over Taiwan
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Signs of a Fallstreak Hole (Cavum) spotted over Prerow, Germany
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Altocumulus perlucidus spotted at night over Velehrad, Czech Republic
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Altocumulus spotted over New Taipei City, Taiwan
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Altocumulus perlucidus spotted over Aberdyfi, Wales
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Altocumulus perlucidus spotted shortly after sunrise over Falls Church, Virginia, US
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A layer of Altocumulus spotted over Taiwan
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Altocumulus spotted shortly after sunset over Wellingborough, England
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