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Other Clouds
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Optical Effects
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- Upper tangent arc
- Wegener arc
A fragment of a Circumhorizon arc over San Juan Island, Washington State, US.
Crepuscular rays and shadows at sunset near Charlo, Montana, US
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Crepuscular rays emanating like spotlights from the horizon during sunrise over Busquistar, Andalusia, Spain
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Altocumulus lenticularis duplicatus, which is also known via the French term, 'pile d'assiettes', for a 'stack of plates'. This classic example was spotted over Lake Peak in the Sangre de Cristo Mountains, near Santa Fe, New Mexico, US.
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Asperitas over Kester, United States
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Nacreous clouds are often lenticular wave clouds which are found downwind of mountain ranges that induce gravity waves in the stratosphere. These nacreous clouds were spotted by Gary's friend, Sierra Salin, in the early morning hours over Mt. Tamalpais, Marin County, California, US.
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An ephemeral glimpse of supercilium, an unofficial classification for a short-lived cloud formation that resembles eyebrow-like features, spotted over the mountains on a cold and windy day in Montevergine, Mercogliano, Italy
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Stratocumulus with color from the sun, spotted over Jiangxi Province, China
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As Robyn was driving, she spotted a cloud face that also spotted her, over the Estrella Foothills, Arizona, US
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Mamma (Mammatus) over Neustadt in Sachsen, Germany
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Lunar corona over Cracow, Poland
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Altocumulus lenticularis, along with lenticularis that appear to be at the stratocumulus level in the background, spotted near Torres Del Pine, Patagonia, Chile
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A colorful display of altocumulus over Beckley, near Oxford, England
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Horseshoe Vortex over Wreck Bay Aboriginal Land, Australia
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A few rows of cumulus clouds that can be seen off into the distance, resembling cloud streets, spotted over Cotia, São Paulo, Brazil
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Iridescence by way of cumulus clouds over Austin, Texas, US
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