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Cirrus uncinus over Santa Rosa, California, US
Iridescence over Frosinone, Lazio, Italy
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Cirrus uncinus over Diamond Bar, California, US
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Cirrus uncinus, along with a faint circumhorizon arc, spotted by Alan's sister in Vancouver, British Columbia, Canada
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A multi-colored sky over Mercogliano, Italy
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Cirrus over Dutchess County, New York, US
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Cirrus uncinus over Carvalhal, Portugal
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Altocumulus lenticularis formations near Winthrop, Washington, US
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Cirrus uncinus over Malakwa, British Columbia, Canada
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Cirrus uncinus over Fauna, County Wicklow, Ireland
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Cirrus uncinus over Broad Creek, Pamlico County, North Carolina, US
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Cirrus uncinus over Melksham, Wiltshire, UK
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Cirrus uncinus expanding outward over Eugene, Oregon, US
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Cirrus uncinus over the desert in Cave Creek, Arizona, US
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Cirrus uncinus over Wuhan, China
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Strong high altitude shearing winds contributing to the development of Cirrus uncinus cloud formations over Cashmere, Washington, US.
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