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Other Clouds
- Arcus
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- Volutus (Roll cloud)
Optical Effects
- 22° Halo
- 46° Halo
- Circumhorizon Arc
- Circumscribed halo
- Circumzenithal Arc
- Cloudbow / Fogbow
- Corona
- Crepuscular rays & shadows
- Diffuse arcs
- Green flash
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- Halos
- Helic arc
- Infralateral arc
- Iridescence
- Lower Sun Pillar
- Lower Tangent Arc
- Moonbow
- Moondogs
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- Parry antisolar arcs
- Parry arc
- Parry infralateral arc
- Parry supralateral arc
- Rainbow
- Sub parhelion
- Sub-sun
- Suncave parry arc
- Sun dog (Parhelion)
- Sun pillar
- Supernumerary bows
- Subparhelic circle
- Supralateral arc
- Upper tangent arc
- Wegener arc
A vivid corona spotted over the National Cathedral, Washington D.C., US
A corona spotted amidst the Altocumulus perlucidus, over central Minnesota, US
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A contrail and a distrail, along with signs of a fallstreak hole (cavum), spotted over Falls Church, Virginia, US
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Lacunosus spotted over Madison, Wisconsin, US
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Lacunosus spotted over Gent Sint-Amandsberg, Belgium
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A dynamic sky with Cirrocumulus undulatus and vivid iridescence, spotted over Acadiana Regional Airport, New Iberia, Louisiana, US
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Undulatus that Robyn thought looked like veins of a leaf, spotted over Goodyear, Arizona, US
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Dynamic iridescence spotted at sunrise over Brighton, Colorado, US
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Signs of supercilium and lacunosus spotted near Mercogliano, Italy
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Dense fog over the Salish Sea, with a myriad of clouds lit up by the setting sun, spotted while looking west towards Vancouver Island, from Sunshine Coast, British Columbia, Canada
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Mid-morning iridescence over Lebec, California, US
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Partial clearing following a morning storm near Falls Church, Virginia, US
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A view of the blue sky amidst the clouds, spotted on a windy day over Miaoli County, Taiwan
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Cirrocumulus with some limited signs of lacunosus, spotted over Taiwan
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A mixed sky over Dover, Delaware, US
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A set of trees reaching upwards towards the sky, with cirrocumulus undulates spotted over Somerset, England
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