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Difference between 'lenticular' and 'cap' clouds [Copy link] 中文

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Post time 2012-11-16 20:04:28 |Display all floors
Lenticular clouds (荚状云 jiá zhuàng yún)

Lenticular cloud atop Mount Shasta

mt shasta.png


Mount Fuji

mt fuji.png




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Post time 2012-11-16 20:06:57 |Display all floors
Cap clouds (山帽云 shān mào yún)
Cap cloud over Mount Hood

mt hood.png


Atop an unidentified mountain

cap c.png

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Post time 2012-11-16 20:10:16 |Display all floors
Difference between lenticular and cap clouds:

Lenticular clouds are associated with a standing wave phenomenon which occurs when strong winds blow at (close to) right angles to a mountain ridge. They typically appear in ascending layers over the ridge line.

Cap clouds are also associated with mountains, but not the standing wave phenomenon. They are formed when air containing water vapor is uplifted on the windward slide of the slope and reaches saturation, producing liquid water cloud droplets that resembles a cloud which can "cap" the summit.

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