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Other Clouds
- Arcus
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Optical Effects
- 22° Halo
- 46° Halo
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- Circumzenithal Arc
- Cloudbow / Fogbow
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- Infralateral arc
- Iridescence
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- Moondogs
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- 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
Mamma over Castres, France
22-degree halo over Barbados, West Indies.
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Jellyfish of the sky, also known as Altocumulus clouds producing the evaporating precipitation trails known as virga, spotted drifting over Portland, Oregon, US.
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A classic cap cloud forming over Mount Rainier, Washington, US.
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A stacked form of Altocumulus lenticularis, known by the French term pile d'assiettes, spotted over Cervinia, Italy.
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The distinctive breaking-wave shape of a fluctus cloud feature was spotted here along the top of the accessory cloud cap known as a pileus. This is a rare combination of features, spotted over Franklin County, AL, US.
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Parallel ridges of Altocumulus cloudlets, known as undulatus, going this way and that at two different levels, known as duplicatus.
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The flying-saucer cloud, Altocumulus lenticularis, spotted over Stellenbosch in the Western Cape, South Africa by Stuart Loveday, who assured us ‘no aliens were spotted by me that day’.
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Cumulonimbus capillatus storm cloud over Cornville, Arizona, US. This is the appearance of a storm cloud at its most mature stage of development.
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An aircraft condensation trail with the 'zipper' appearance that can sometimes be produced by the effect of turbulence around the aircraft wings.
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Cirrocumulus spotted over Antelope Valley, California, US.
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Crepuscular rays over Umbria, Italy.
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Undulatus over Maui, Hawaii, US.
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A lunar halo over the Sierra de las Nieves national Park in Tolox, Andalucia. Spain.
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A classic UFO-like lenticularis over Torres del Paine, Chile.
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A murus formation emerging from a storm system over Didsbury, Alberta, Canada.
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