Caption: Timelapse footage of clouds formed by wind over mountains. As moist air passes over mountains (along bottom) it is forced upwards and moisture condenses into clouds. On the downslope the air sinks again, but the passage over the mountains sets up a standing wave in the air, and where the air rises again past its dew point, stationary clouds forms at the peaks of the wave. Filmed over the Rocky Mountains in the USA in autumn.

Release details: Model release not required. Property release not required.

Keywords: altocumulus, america, atmosphere, autumn, autumnal, changeable, clouds, environment, fall, lee waves, lenticularis, meteorology, mid-day, mountain clouds, mountain waves, orographic, timelapse, turbulent, us, usa, variably cloudy, wave motion, weather

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Mountain clouds, timelapse

K003/5453 Royalty Free

Downloadable master

Duration: 00:00:15.21

Frame size: 1920x1080

Frame rate: 29.97

Audio: No

Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 473.2M


Capture format: Digital Image Sequence

Frame size: 1280x1080

Codec: DVCPRO HD 1080i60

Interlaced: Yes

Please contact Science Photo Library if you require the original, or other formats.


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