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Other Clouds
- Arcus
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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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- Infralateral arc
- Iridescence
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- Parry antisolar arcs
- Parry arc
- Parry infralateral arc
- Parry supralateral arc
- Rainbow
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- Sub-sun
- Suncave parry arc
- Sun dog (Parhelion)
- Sun pillar
- Supernumerary bows
- Subparhelic circle
- Supralateral arc
- Upper tangent arc
- Wegener arc
Altocumulus stratiformis undulatus, also known as a 'mackerel sky', spotted over Archer, Florida, US
A dynamic, sideways-appearing Altocumulus lenticularis spotted over Fagurholsmyri, Iceland
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Multiple examples of Altocumulus lenticularis spotted near Portobello, Scotland
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Parhelic Circle amidst the optical phenomena spotted over New York City, New York, US
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Dynamic iridescence spotted at sunrise over Brighton, Colorado, US
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Altocumulus lenticularis duplicatus, also known as 'pile d'assiettes', spotted over Horseshoe Bay, Stewart Island, New Zealand
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Fallstreak Hole (Cavum) spotted near the time of sunset, over Athens, Georgia, US
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Iridescence spotted over Podłęże, Poland
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Altocumulus stratiformis undulatus, also known as a 'mackerel sky', spotted by Rachel's husband over Scunthorpe, Lincolnshire, England
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Altocumulus stratiformis undulatus, also known as a 'mackerel sky', spotted in a raspberry colour over Medford, Massachusetts, US
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Altocumulus stratiformis undulatus, also known as a 'mackerel sky', spotted over Burton on Trent, England
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A mesmerizing view of altocumulus stratiformis undulatus, also known as a 'mackerel sky', spotted over Rossford, Ohio, US
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Altocumulus lenticularis spotted during sunrise over Vermontville, Adirondacks, New York, US
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A classic example of a fallstreak hole (cavum) within a layer of altocumulus, with signs of iridescence near the leading edge of the descending ice crystals, spotted over Lyons, Oregon, US
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Fallstreak Hole (Cavum) spotted while driving near Elgin, Moray, Scotland
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A sky filled with cirrocumulus and an array of colours brought forth by iridescence, spotted over Mirabelles-aux-Baronnies, Drome, France
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