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Main Cloud Types
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Other Clouds
- Arcus
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- Cap / banner clouds
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- Mediocris
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- 'Supercilium' (not official classification)
- Translucidus
- Tuba / Twister
- Uncinus
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- Velum
- Vertebratus
- Virga
- 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
- Glory
- Halos
- Helic arc
- Infralateral arc
- Iridescence
- Lower Sun Pillar
- Lower Tangent Arc
- Moonbow
- Moondogs
- Parhelic circle
- 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 host of lenticularis forming over Pingvallavatn Lake, Iceland.
Altocumulus lenticularis spotted over West Loch Tarbert, South Knapdale, Argyll, Scotland
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On the way down from Sugar Loaf Mountain, Maxine watched the rain head towards her along the Usk Valley, near Abergavenny, Wales
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Altocumulus lenticularis duplicatus spotted over Greenfield, California, US
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A late morning view of Cumulus congestus over Madison, Wisconsin, US
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A stormy sky over the River Thames, London, England
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Signs of Fluctus (Kelvin-Helmholtz) spotted over Santiago, Chile
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Cirrus spissatus over Taipei City, Taiwan
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Stratocumulus undulatus spotted over Jiangsu, China
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A figure in the sky resembling a sea turtle, watching the shore during nesting season, spotted over Boca Raton, Florida, US
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Crepuscular rays spotted after a rainy day in central Indiana, US
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A pre-dawn view two hours prior to sunrise, with the comet Pan/STARRS visible near the horizon, spotted over the Glen Canyon Recreation Area, Utah, US
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Sunrise over Oakland, California, US
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Signs of Fluctus (Kelvin-Helmholtz) spotted over Sacramento, California, US
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A vivid corona spotted over Brighton, Colorado, US
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Altocumulus perlucidus spotted over Duncans Mills, California, US
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