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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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- Praecipitatio
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- 'Supercilium' (not official classification)
- Translucidus
- Tuba / Twister
- Uncinus
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- 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
Nacreous clouds over Liverpool Bay, Ormskirk, Lancashire, England
Nacreous clouds over Oslo.
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Nacreous clouds over Cholsey, south Oxfordshire, England.
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Nacreous clouds over Chester-le-Street, County Durham, England.
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Nacreous clouds over Turin, North Italy.
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Nacreous clouds over Sumirago, Varese, Italy.
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Nacreous clouds over Forfar, near Angus, Scotland.
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Nacreous clouds over North Wootton, Norfolk, England.
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Nacreous clouds over R.A.F. Leeming, England.
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A nacreous formation over Dean Court, Oxford, England.
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Nacreous clouds over Fraserburgh, Aberdeenshire, Scotland.
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Nacreous over Banchory, United Kingdom
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A lone nacreous cloud over Pittenweem, Scotland.
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A brief encounter with nacreous clouds over Woodham, County Durham, England.
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A nacreous cloud by moonlight over Richmond, North Yorkshire, England.
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Nacreous clouds over Peterlee, England.
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