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Other Clouds
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Optical Effects
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- Wegener arc
An abundance of virga spotted over Phoenix, Arizona, US
Lacunosus clouds, the honeycombs of the sky, spotted over Oakland, California, US
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A classic example of a multi-layered altocumulus lenticularis duplicatus, spotted over Ponta Delgada Harbour, Sao Miguel, Azores, Portugal
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Virga via two distinct rows of clouds over Northern California, US
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Altocumulus lenticularis over Cooper Bay on the eastern side of South Georgia, South Sandwich Islands, British Overseas Territory
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Virga during the afternoon over North Devon, England
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Altocumulus lenticularis in the evening sky over Segovia, Spain
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Virga amidst a colourful background, spotted over Cambridge, England
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A plethora of altocumulus lenticularis throughout the sky over Blairgowrie, Perthshire, Scotland
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Altocumulus stratiformis undulatus, also known as a "mackerel sky", spotted in the morning over Banqiao District, New Taipei City, Taiwan
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Altocumulus lenticularis during the late afternoon over Merano, Italy
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Following a storm, mid-to-upper level winds brought about undulatus above El Dorado Hills, California, US
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A plethora of altocumulus lenticularis duplicatus, spotted in the morning over Mount San Jacinto, Desert Hot Springs, California, US
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A classic example of lacunosus spotted over Barrea, Italy
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Sunset with an expansive display of undulatus over Brighton, Colorado, US
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A large fallstreak hole (cavum) spotted by Sylvie, who said it looked almost like a tornado, over Montreal, Quebec, Canada
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