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Main Cloud Types
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Other Clouds
- Arcus
- Asperitas
- Cap / banner clouds
- Capillatus
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- Cataractagenitus
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- Cavum (Fallstreak hole)
- Congestus
- Contrail (homogenitus)
- Duplicatus
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- Floccus
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- Fractus
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- Intortus
- Lacunosus
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- Morning Glory Cloud
- Murus (Wall cloud)
- Mediocris
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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
Haar or sea fret, also known as a cold sea fog, occurs most often on the east coast of Scotland between April and and September, when warm air passes over the cold North Sea, is seen here over Coll Beach, Isle of Lewis, Scotland
A developing cumulonimbus beyond the skyline of Minneapolis, Minnesota, US
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A view from the top of a tower while servicing instruments that measure the "breathing of the forest", near Ashland, Missouri, US
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The pathway of lightning clearly marked in the evening sky over Arlington, Virginia, US
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A contrast between land and sky, accentuated by the stratocumulus as spotted by David's son, Craig West, when looking towards Coquet Island from Amble, Northumberland, England
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Stratocumulus lenticularis, an uncommon version of the lenticular cloud, spotted over Avellino, Italy
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Virga over Salida, Colorado, US
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Signs of mammatus (mamma) at sunset near Hexham, Northumberland, England
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A duck traversing the reflection of the cumulus clouds, spotted on the Connecticut River, near Turners Falls, Massachusetts, US
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Two areas of developing cumulonimbus, spotted along the horizon near North Dundas Township, Ontario, Canada
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A slice of the sun shining in between layers of stratocumulus, spotted over Krzeszowice, Poland
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A full moon with passing stratus fractus over Collioure, France
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Altocumulus lenticularis spotted near Twisp, Washington, US
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Altocumulus lenticularis over Svalbard, Norway
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Stratocumulus over Krakow, Poland
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An opening spotted amidst the cumulus clouds over Esfahan, Iran
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