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Main Cloud Types
- Cumulus
- Stratus
- Stratocumulus
- Altocumulus
- Altostratus
- Cirrus
- Cirrocumulus
- Cirrostratus
- Nimbostratus
- Cumulonimbus
Other Clouds
- Arcus
- Asperitas
- Cap / banner clouds
- Capillatus
- Castellanus
- Cataractagenitus
- Cauda (Tail cloud)
- Cavum (Fallstreak hole)
- Congestus
- Contrail (homogenitus)
- Duplicatus
- Diamond dust
- Distrail
- Fibratus
- Flammagenitus (Pyrocumulus)
- Floccus
- Fluctus (Kelvin-Helmholtz)
- Fractus
- Homogenitus
- Horseshoe vortex
- Humilis
- Incus
- Intortus
- Lacunosus
- Lenticularis
- Mamma
- Morning Glory Cloud
- Murus (Wall cloud)
- Mediocris
- Nacreous
- Nebulosus
- Noctilucent
- Pannus
- Perlucidus
- Pileus
- Praecipitatio
- Radiatus
- Silvagenitus
- Spissatus
- Stratiformis
- '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
A view of some high cloud action over Canberra on a hot summers day.
A mixed sky, from low to high, of Stratocumulus, Altocumulus and Cirrus spotted over Papamoa, New Zealand.
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Cirrus over San Luis Rey, United States
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Formation of cirrus fibratus, thanks in part, to the remnants of earlier contrails over Williston, Vermont, US.
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Cumulus congestus illuminated over Fukuoka, Japan
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Glory from the view of working in a wind turbine, over Assenede, Belgium.
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Cumulonimbus incus forming over Cascavel, Parana, Brazil.
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22-degree halo over Bigfork, Montana, US
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Stratocumulus over Haarlem, Netherlands
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Iridescence over Yellowstone National Park, Wyoming, US
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Sun Dog over Houston, Texas, US
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Setting sun masked by Altostratus over Sumirago, Italy
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Mixed precipitation, accompanied by an Altocumulus Lenticularis, over the Adirondack Mountains in northern New York, US.
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Altocumulus over Camacha, Portugal
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A fingerprint of Cirrocumulus undulatus over Devizes, England
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Altocumulus over Portal Ridge Wildlife Preserve in Fairmont, California, US
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