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A rainbow, created by sunlight that interacts with water droplets through the process of refraction, reflection, and dispersion, spotted over Forestville, California, US
Lightning stretching across the sky, spotted near Bluff, Utah, US
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A low lying stratocumulus lenticularis spotted near Minchinhampton, Gloucestershire, England
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Mammatus (Mamma) spotted at sunset over Mercogliano, Italy
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Mammatus (Mamma) spotted over Sourton Down, Okehampton, England
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A vivid rainbow spotted over Wellington Harbour, New Zealand
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A dual lightning strike captured via a photograph with a 4-second exposure during twilight over Bluff, Utah, US
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Signs of pileus at two different levels of this multi-faceted cumulonimbus, spotted over Mesa, Arizona, US
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Notable mammatus (mamma) within a storm system over Bluff, Utah, US
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Mammatus (Mamma) spotted over North Gloucestershire, England
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Cumulonimbus Incus spotted to the northeast of the East Texas Regional Airport, Longview, Texas, US
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A storm system near Naperville, Illinois, US
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An expansive display of mammatus (mamma) spotted by Sally Grace Mindrebo, over Albuquerque, New Mexico, US
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A vivid rainbow accompanied by mammatus (mamma), spotted from the National Center for Atmospheric Research’s (NCAR) Mesa Laboratory, near Boulder, Colorado, US
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A primary and secondary rainbow that includes Alexander's Dark Band, an area that appears dark because the raindrops in that region are refracting sunlight at angles that do not direct any light toward the observer, as seen here over Sittingbourne, Kent, England
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A developing, robust storm near Antelope Valley, California, US
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