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Other Clouds
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Optical Effects
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Horseshoe vortex spotted on a windy day near Melbourne, Australia
Mammatus (Mamma) spotted shortly after a thunderstorm near Allestree, Derby, England
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Sun dog (Parhelion) makes its presence known amidst a myriad of clouds over Wynnum, Brisbane, South East Queensland, Australia
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A low-precipitation (LP) supercell, which is a highly-sheared rotating thunderstorm that produces minimal rain, but can generate large hailstones and occasional tornadoes, is characterized by a highly visible updraft tower and is often bell-shaped. This classic example was spotted and followed by Jonah from New Mexico to Texas, with this photograph being taken near Dalhart, Texas, US.
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Supernumerary bows within the primary rainbow, spotted by Peter's sister overlooking Mosman Bay, spanning Sydney and North Sydney, New South Wales, Australia
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Sun pillar spotted during sunrise over Arnhem, The Netherlands
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Arcus delineating the leading edge of a storm system as it moves over Columbia, Missouri, US
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An arcus, also known as a shelf cloud, marks the leading edge of a thunderstorm's gust front, spotted here with a storm system that generated a tornado warning near Omaha, Nebraska, US
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Altocumulus lenticularis spotted over Cuffley, Hertfordshire, England
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Altocumulus lenticularis duplicatus, also known as 'pile d'assiettes', spotted at sunset over Torrejón de Ardoz, Spain
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Primary and secondary rainbows spotted over Stratford upon Avon, Warwickshire, England
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Altocumulus lenticularis duplicatus spotted over Faverges de la tour, France
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Fallstreak Hole (Cavum) spotted over Northampton, England
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An expansive display of Altocumulus lenticularis spotted following a day of rain showers near Montrose, Scotland
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A classic example of Mammatus (Mamma) spotted over Moose Jaw, Saskatchewan, Canada
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Altocumulus lenticularis duplicatus, also known as 'pile d'assiettes', spotted over the Alps, near Montreux, Switzerland
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