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发帖数: 1994 | 1 A Lenticular Cloud Over Hawai'i
Credit & Copyright: Peter Michaud (Gemini Obs.)
Explanation: Can a cloud do that? Actually, pictured above are several clouds all stacked up into one striking lenticular cloud. Normally, air moves much more horizontally than it does vertically. Sometimes, however, such as when wind comes off of a
mountain or a hill, relatively strong vertical oscillations take place as the air stabilizes. The dry air at the top of an oscillation may be quite stratified in moisture |
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