High Clouds |
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Cirrus Radiatus Blue hill Bay, Maine July 1981, early evening © David Rosenfeld/Photo Researchers, Inc. |
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Cirrostratus Fibratus Northeast of Duluth, Minnesota June 26, 1988 © Arjen & Jerrine Verkaik/SKYART |
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Cirrocumulus Undulatus Coal Creek Canyon, Colorado September 16, 1992 around noon © Richard A. Keen |
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Cumulonimbus Mammatus Near Barnes, Kansas June 6, 1971 8:51 PM © David Hoadley |
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Cumulonimbus Incus West of Amarillo, Texas April 22, 1994 around 4 PM © Arjen & Jerrine Verkaik/SKYART |
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Middle Clouds |
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Altocumulus Stratiformis Near Las Cruces, New Mexico December 1988 at sunset © Scott T. Smith |
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Altostratus Translucidus Cape May, New Jersey December 26, 1988 aroound 3 PM © Richard A. Keen |
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Altocumulus Undulatus Rockville, Maryland Mid 1990s, May, 10 AM © H. Michael Mogil |
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Altocumulus Castellanus 40 miles ESE of Wichita, Kansas July 3, 1992 11:00 AM © Arjen & Jerrine Verkail/SKYART |
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Altocumulus Lenticularis Near Nederland, Colorado September 1998, sunset © Carlye Calvin |
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Low Clouds |
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Stratocumulus Undulatus Muddy Bay, Labrador October 5, 1977, sunset © Richard A. Keen |
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Stratus Opacus Chittenden Reservoir, Vermont October 3, 1987, 2:30 PM © Stanley Gedzelman |
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Cumulis Humilis Near McMinnville, Oregon August, midafternoon © John Day |
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Cumulus Congestus North of Douglas, Arizona August 28, 2000 5:00 PM © Arjen & Jerrine Verkaik/SKYART |
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Cumulonimbus with Tornado near Osnabrock, North Dakota July 25, 1978 6:00 PM © Edi Ann Otto |
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