This is a time lapse of a gravity wave taken by the Tama, Iowa KCCI-TV webcam on 6 May 2007. Gravity waves form when buoyancy pushes air up, and gravity pulls it back down. Very cool stuff!

Comments (3)

... written by sdfs on May 9, 2007 um, i dont think that is a gravity wave. sorry. think air pressure, currents and maybe bernulli's principle. ... written by bobo on May 9, 2007 http://en.wikipedia.org/wiki/Gravity_wave Looks like a gravity wave to me This is a gravity wave. written by Aqualad on January 18, 2008 This is a gravity wave. Bernoulli's principle has nothing to do with it.

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