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Sunset over Aratsu Beach as the sun appears from the clouds, spotted near Aratsu, Fukuoka City, Japan
Cirrus fibratus homogenitus, which reflects a cloud that forms from a human source, such as contrails in this case, with the influence of strong upper level winds. This formation was spotted over Jedburgh, Scottish Borders, Scotland.
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Cirrus uncinus and fibratus, which can often be seen in the same view of the sky, as spotted here over Kasuga City, Fukuoka Prefecture, Japan
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Cirrus over Principe Real, Portugal
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Lunar halo and corona over Glouster County, New Jersey, US
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Overcast skies near Sanxia, New Taipei City, Taiwan
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Stratocumulus clouds moving into the area shortly after sunset over North Austin, Texas, US
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Undulatus over Huwei Township, Yunlin County, Taiwan
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An incoming storm system from what appears to be the leading edge of it, by way of this arcus (shelf cloud), which was spotted near the Franz Josef Glacier, South Island, New Zealand
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Sunset over Union County, Ohio, US
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Cumulus congestus, potentially developing into a cumulonimbus, captured by Nicola's son, Sam, near Adelaide, South Australia
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Altocumulus undulatus over Northfiled, Illinois, US
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An early afternoon storm system coming in from the west, near Moiese, Montana, US
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Two sandstone cloudspotters discussing the weather, as Paul observed, in this photograph of a storm system in the distance, near Bluff, Utah, US
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Fallstreak Hole (Cavum) over Catforth, Preston, England
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Asperitas over Al Tahoe, United States
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