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Other Clouds
- Arcus
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- Cavum (Fallstreak hole)
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- 'Supercilium' (not official classification)
- Translucidus
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- Volutus (Roll cloud)
Optical Effects
- 22° Halo
- 46° Halo
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- Circumscribed halo
- Circumzenithal Arc
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- Iridescence
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- Parry antisolar arcs
- Parry arc
- Parry infralateral arc
- Parry supralateral arc
- Rainbow
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- Sub-sun
- Suncave parry arc
- Sun dog (Parhelion)
- Sun pillar
- Supernumerary bows
- Subparhelic circle
- Supralateral arc
- Upper tangent arc
- Wegener arc
A sunset over La Gomera island, Spain.
A contrail and a distrail, along with signs of a fallstreak hole (cavum), spotted over Falls Church, Virginia, US
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Rainbow spotted over Warsaw, Poland
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Cap Cloud spotted over Lord Howe Island, New South Wales, Australia
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Signs of developing Altocumulus lenticularis over Cuillin Hills, Isle of Skye, Scotland
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Virga over the Northeast Canadian High Arctic
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Altostratus along the horizon, spotted near North Dundas Township, Ontario, Canada
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A contrail spotted shortly before sunrise over Madison, Wisconsin, US
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Stratus hugging the mountainside, with signs of an Altocumulus lenticularis developing off to the side of the range, spotted on the seaside of Fujian, China
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Altostratus provides the illusion that Mount Hood is erupting at sunrise, spotted from Vancouver, Washington, US
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Altocumulus lenticularis and undulatus spotted over Northwest Iran
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The clouds over the ocean were reflecting pink at sunset, spotted near Kianga, New South Wales, Australia
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Stratus spotted at Valle del Miera, Cantabria, Spain
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A reflection of the Altocumulus perlucidus above, spotted on Jenkinson Lake, Pollock Pines, California, US
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Mamma spotted during the early morning over Jarrell, Texas, US
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Sunset over Marizon, Fukuoka City, Japan
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