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Main Cloud Types
- Cumulus
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- Cumulonimbus
Other Clouds
- Arcus
- Asperitas
- Cap / banner clouds
- Capillatus
- Castellanus
- Cataractagenitus
- Cauda (Tail cloud)
- Cavum (Fallstreak hole)
- Congestus
- Contrail (homogenitus)
- Duplicatus
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- Flammagenitus (Pyrocumulus)
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- Fractus
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- Intortus
- Lacunosus
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- Morning Glory Cloud
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- Mediocris
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- Noctilucent
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- Pileus
- Praecipitatio
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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
Cumulus humilis, which are cumuliform clouds with little vertical extent and are common in the summer, spotted over Mirror Lake, near the Adirondack Mountains and the Olympic Village of Lake Placid, New York, US.
Circumzenithal Arc spotted over Northern California, US
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On a journey along deep sand, Lynda's friend, Fayne Connelly, captured this view of the sand and the sky during a trip between the Savuti Plains in Botswana travelling to Zambezi Mubala Campsite on the banks of the Zambezi.
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Undulatus spotted by Dan's friend, John Maltese, from the shore of Lake Pleasant in the southern Adirondacks, Speculator, New York, US
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An elongated version of altocumulus lenticularis spotted over Dunkeld, Scotland
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Mesmerizing iridescence spotted near Blowing Rock, North Carolina, US
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Cumulus congestus over the Atlantic Ocean, viewed from Myrtle Beach, South Carolina, US
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Sunset over Puget Sound near Edmonds, Washington, US
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Cumulus over Seaham, England
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Mammatus (Mamma) following a storm over Wilson, Wyoming, US
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A solitary cloud spotted amidst the blue sky over Goffs Oak, Hertfordshire, England
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Sunset over Kingsthorpe, Northampton, England
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As the plane began its descent, Rachel noticed a cloud that resembled a small, errant, and lonely tornado. This took place towards the end of a flight from Vancouver, British Columbia to Ottawa, Ontario, Canada.
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Cumulus framing up the blue sky, spotted over Cumberland Island, Georgia, US
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A plethora of altocumulus over Iligan City, Philippines
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Fog over Carolina Cloud Lake, providing a "blue" emphasis within the Blue Ridge Mountains, in Fairview, near Asheville, North Carolina, US
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