Caption: Timelapse footage of rotor clouds, a complex air motion induced by mountain lee wave activity. As wind blows over a mountain it cools, and swiftly travels down the lee side of the mountain. This often sets up a rotating vortex perpendicular to the wind direction and parallel to the mountain range, in which air moves in a tight circle, forming clouds as it does so. Filmed in the USA in the late afternoon in winter.

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

Keywords: altocumulus, america, atmosphere, clouds, environment, late afternoon, lee, lenticularis, meteorology, mountain wave, mountain waves, partly cloudy, rotor, rotors, sunset, timelapse, turbulence, turbulent, us, usa, vortex, wave, waves, weather, winter

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Rotor clouds, timelapse

K003/5437 Royalty Free

Downloadable master

Duration: 00:00:30.08

Frame size: 1920x1080

Frame rate: 29.97

Audio: No

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

File size: 880.1M


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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