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Other Clouds
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Optical Effects
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A classic example of asperitas, which can be likened to a more extreme form of undulatus. Asperitas differs from undulatus by the fact that its waves are more chaotic and disorderly, lacking any of the regularity and organisation typical of undulatus. This asperitas formation was spotted over Amesbury, Massachusetts, US.
Asperitas over Ottawa, Ontario, Canada
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Asperitas with some subtle lacunosus over Gatineau, Quebec, Canada
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Mamma (Mammatus) over the Big Bend Region of Southwest Texas, US
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Aurora Borealis (Northern Lights) over Kabelvag, Norway
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Rainbow reflected in the water over Goose Bay, Labrador, Canada
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Asperitas over North Norfolk, England
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Cumulonimbus incus formation over Oro Valley, Arizona, US
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Rainbow over Holland, Michigan, US
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Cloud caps known as pileus forming over the tops of Cumulus congestus clouds and spotted over Little Switzerland, North Carolina, US.
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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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Fluctus, (Kelvin-Helmholtz), near Bremen, Northern Germany.
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A sun pillar at sunrise over Charlotte, Michigan, US.
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Undulatus over Malta.
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Undulatus over Baltimore, US.
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Undulatus over Shenton Park, Perth, Western Australia.
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