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Main Cloud Types
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Other Clouds
- Arcus
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- 'Supercilium' (not official classification)
- Translucidus
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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
- Glory
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- 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 storm front over Chesapeake Bay just north of Annapolis, US.
Altocumulus undulatus spotted by Ted Burrows over Lexington, Virginia, US
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Cumulus congestus spotted over Taiwan
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Sun Dog (Parhelion) spotted over Kabah, Yucatán, Mexico
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A blanket of Altocumulus spotted over Taoyuan City, Taiwan
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Altocumulus perlucidus spotted over Salinas, California, US
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Stratocumulus spotted over Taiwan
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The first full moon of 2026, accompanied by remnants of contrails, spotted over Arnhem, The Netherlands
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The evening sky over São Paulo City, Brazil
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Stratocumulus spotted over Samora Correia, Portugal
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The love of cloudspotting being passed on to future generations, as seen here with Ernesto's granddaughter, while in flight near Sonora, Mexico
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A mix of clouds spotted in the morning over Krzeszowice, Poland
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A winter sunset over Irvine, California, US
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Sunrise accompanied by a cloud, located in the lower right, that looks like a Moose Head with large antlers, spotted over Vermontville, Adirondacks, New York, US
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Altocumulus lenticularis spotted during the afternoon over Atagohama, Fukuoka City, Japan
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Lunar corona spotted over North Dundas Township, Ontario, Canada
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