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Gravity waves

January 4th, 2008 by oz1sej

Gravity waves are seen as cloud wave patterns because of (if I have understood this correctly) an obstruction which disturbs the air flow leading to a periodic pattern in the interface between two air masses:

Wave cloud forming off of Amsterdam Island in the far southern Indian Ocean

(Image from http://en.wikipedia.org/wiki/Gravity_wave)

YouTube has this amazing time lapse movie of gravity waves over Iowa.

One Response to “Gravity waves”

  1. on 04 Jan 2008 at 11:54 pm   nadja

    Amazing time lapse movie indeed! Wauw!

    Even if both phenomenae are clouds in the sky, it doesn’t seem like the gravity waves are very closely related to these feathery waves above:

    http://www.shareabrainwave.net/2007/06/05/the-waves-above/

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