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Main Cloud Types
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- Cumulonimbus
Other Clouds
- Arcus
- Asperitas
- Cap / banner clouds
- Capillatus
- Castellanus
- Cataractagenitus
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- Cavum (Fallstreak hole)
- Congestus
- Contrail (homogenitus)
- Duplicatus
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- Mediocris
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- Pannus
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- Pileus
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- 'Supercilium' (not official classification)
- Translucidus
- Tuba / Twister
- Uncinus
- Undulatus
- 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
Watching this cloud formation move and rotate across the sky as the sun set, changing colour every minute or so, Chandra found this time looking upward over her Aunt's farm to be time well spent, near Scott Creek, South Australia, Australia.
Cumulus spotted over West Shore, Llandudno, Wales
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Early morning ground fog spotted near Charlo, Montana, US
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Mammatus (Mamma) spotted along the outline of a storm, near Mandurah, Western Australia, Australia
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Cumulus fractus that took on the look of a palm tree, spotted over Southern Alberta, Canada
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Cirrus spissatus spotted on a windy day near Greenfield, California, US
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Signs of virga falling from the Altocumulus clouds, spotted over Sacramento, California, US
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A series of Cumulonimbi over WhiteFace Mountain, near Vermontville, Adirondacks, New York, US
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A mixed sky over Piperdam, near Dundee, Scotland
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A colourful sky over Taipei, Taiwan
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Cirrostratus radiatus spotted at sunset over Central Tilba, New South Wales, Australia
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Circumhorizon Arc spotted over Wörthsee, Bavaria, Germany
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Altocumulus perlucidus spotted over Sacramento, California, US
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Mammatus (Mamma) over Monument, Colorado, US
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A stormy night over Madison, Wisconsin, US
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Cumulus fractus spotted over Winthrop, Washington, US
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