IMAGES: Watch the Skies

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Science  08 Jul 2005:
Vol. 309, Issue 5732, pp. 225d
DOI: 10.1126/science.309.5732.225d

A pair of swirly lenticular clouds hovers over the Front Range of the Rocky Mountains in Colorado. Often mistaken for UFOs by the gullible, the oval clouds condense on the downwind sides of mountains as speeding air crosses the summit. You'll find hundreds more shots of weather, natural disasters, pollution, and related subjects at this gallery from the University Corporation for Atmospheric Research in Boulder, Colorado. Follow a tornado slashing across north Texas, watch a tropical downpour in Africa, or see an eroded Hawaiian beach. Visitors can use the images free for education or research.

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