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Cirrus vertebratus homogenitus forms as a result of an aircraft condensation trail (contrail). The spine of the cloud begins as a contrail and is aligned to the flow of the high winds, whose water droplets freeze into ice crystals that fall below into slower, moister airflows. This variation was spotted over Kenilworth Gardens, Melksham, England.
A distrail over Melksham, Wiltshire, England
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Cirrus uncinus over Melksham, Wiltshire, UK
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Cirrus fibratus over Melksham, Wiltshire, England
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A contrail and its shadow over Melksham, Wiltshire, England.
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A sunset over Melksham, Wiltshire, England.
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A solar halo over Melksham, Wiltshire, England.
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Variations on the theme of contrails over Melksham, Wiltshire, England.
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A contrail filled sky over Melksham, Wiltshire, UK.
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A face in the clouds sporting the unruly hair style of cartoon character Dennis the Menace. Spotted over Melksham, Wiltshire, UK.
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A mammatus formation over Melksham, Wiltshire, UK.
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An angry bird skeleton over Melksham, Wiltshire, UK.
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A halo over Melksham, Wiltshire, UK.
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A sunset with crepuscular rays over Lundy Island, Devon, UK.
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A distrail over Melksham, Wiltshire, UK.
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A formation of Cirrus looking like a fir tree or explosion.
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