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I was filming in south Australia, and i noticed this odd shadow,, i think it may be an Undular Bore aka a Gravity Wave,, it wasn't apparent to the naked eye. It is fifteen minutes timelasped into 15 seconds and then 2 seconds at the end. I hope you enjoy, i'd be interested to hear anyones opinion, as i said i think it is a gravity wave,, though i'm happy to be corrected or better educated. Looks cool though. It's filmed on a sony fx1 at real time and lasped,, it's not time delayed capture.
A very cool time lapse of gravity waves impacting a cloud layer.
Lapse of gravity wave action from the Tama, Iowa KCCI-TV webcam on 6 May 2007.
A series of six animations by K. P. Rauch, an astrophysicist at the Department of Astronomy, University of Maryland. Source- http://www.astro.umd.edu/~rauch/ViewsBHs/video/ a is the spin parameter of a black hole which ranges from 0 for a static (Schwarzschild) black hole up to 1 for an extreme ...
Time lapse from the Chariton, Iowa webcam of prehaps an undular bore from 22 June 2006. The camera is a part of the KCCI SchoolNet8 project. This lapse is not as fancy as the Tama one, but still nice. This cloud feature was advancing from an area of dying convection to the south of the camera. ...