Friday, May 16, 2014

Lenticular Clouds Over Washington



These multilayered lenticular clouds are formed when moist air is forced to flow upward around mountain tops. The clouds are opaque groups of water droplets condensed from moist air cooled below the dew point. Waves in the air that would normally be seen horizontally can then be seen vertically, by the different levels where clouds form.



APOD

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