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Roll Cloud over Praia da Arrifana, Portugal
On a warm, sunny, and otherwise cloudless day, John said that an occasional and ephemeral puff would appear and disappear, which reminded him of William Wordsworth's "I wandered lonely as a cloud..." This isolated cumulus fractus was spotted over north central Indiana, US.
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Aurora Borealis (Northern Lights) over Kabelvag, Norway
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Crepuscular rays over Esfahan, Iran
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Colorful cumulus over Brisbane, Queensland, Australia
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Cumulus congestus over Skala Eresou, Lesbos Island, Greece
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Undulatus over Hooge Vaart, Netherlands
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A colorful sunrise with altocumulus lenticularis and cumulus fractus populating the sky over the Adirondack Mountains, Vermontville, New York, US
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In a unique juxtaposition, it appears to be a case of art imitating life, per Reven's observation when looking upward near Philadelphia, Pennsylvania, US
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Cirrus spissatus with a slice of the moon, spotted over Northern Iran
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Altocumulus ahead of a developing storm system over Skagit County, Washington, US
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A classic and expansive display of Altocumulus stratiformis undulatus, also known as a "mackerel sky", spotted over Wareham Forest, Dorset, England
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With this display of the Aurora Borealis (Northern Lights), it was described by Jon as a "sparrow hawk descending", as spotted over Mestervik, Balsfjord, Troms, Norway
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Undulatus at the high altocumulus level, with at least some of it appearing to be a result of homogenitus following the existence of contrails, spotted over Blandford Forum, Dorset, England.
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Cirrus vertebratus spotted over Hammersmith, West London, England
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This 'in between' vantage point, situated above low-level stratus clouds and below high-level cirrus clouds, was filled with an abundance of color near Nainital, India
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