Lake Tahoe Mammatus Clouds

June 07, 2007

Clouds_2 copy

Provided and copyright by: Bryan Hightower
Summary authors & editors: Bryan Hightower

On a crisp evening this past April in northwestern Nevada, looking out over Lake Tahoe, I noticed these compelling mammatus (also known as mamma) clouds. See yesterday's Earth Science Picture of the Day. This striking sunset scene also features a faint crepuscular ray -- sunlight is blocked by the cumulonimbus turret on the far side of the Lake (lower center).

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