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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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- Mediocris
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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
Early morning view of orange hued altocumulus lenticularis over the Sangre de Cristo Mountain Range, Colorado, US
An incoming evening storm near Canberra, Australia
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An incoming storm system with crepuscular rays and shadows along the horizon, near North Dundas Township, Ontario, Canada
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A primary and secondary rainbow spotted during the early morning over Atagohama, Fukuoka City, Japan
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A incoming storm system that yielded rain, hail, and lightning, near the Les Vosges-Mountains of Alsace, France
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A colourful sunrise over the Sangre de Cristo mountains, north of Santa Fe, New Mexico, US
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A classic example of asperitas spotted during the early morning over Tours, France
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Asperitas at the forefront of incoming precipitation over Lucas, Texas, US
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Layers of clouds spotted over the Malvern Hills, Herefordshire, England
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Subtle undulatus spotted over Rufford, West Lancashire, England
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Cirrus being intersected by a contrail during the morning hours over Devanahalli, Bangalore, India
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Remnants of a contrail over Lake Stevens, Washington, US
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Signs of asperitas in the evening sky over North Devon, England
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Altocumulus perlucidus under fading sunlight, spotted over Falls Church, Virginia, US
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A cirrus "flower" spotted over Somerset, England
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Cloud streets as seen from an altitude of 16,000 feet near the border of Texas and Arkansas, US
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