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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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- Cataractagenitus
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- Cavum (Fallstreak hole)
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- Duplicatus
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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
Fallstreak holes over Corona de Tucson, Arizona, US.
Signs of a 22-degree halo along with a pronounced contrail, spotted over Rogerstown Estuary, County Dublin, Ireland
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Cumulus drifting over the Washington Monument in Washington D.C., US
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A circular contrail route over The Lizard, Cornwall, England
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A modest line of clouds during the late evening over Waterloo Bridge, London, England
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Altocumulus spotted in the morning over Walsall, West Midlands, England
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Contrails over Miaoli, Taiwan
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Rainbow near New Taipei City, Taiwan
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A classic example of an altocumulus lenticularis, along with a second, nearly identical one in the background, spotted over Montana, US
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Overcast skies at sunrise near Madison, Wisconsin, US
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Rainbow spotted over Lusk Village, County Dublin, Ireland
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A mosaic of cirrus clouds over El Dorado County, California, US
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Lacunosus, a short-lived cloud formation, was spotted over North Devon, England
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Altocumulus stratiformis over Miaoli, Taiwan
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The view shortly after rainfall occurred in São Paulo City, Brazil
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A developing storm system near Taylor, Texas, US
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