Image: Eureka Prize: Breaking Waves in the Sky

Eureka Prize: Breaking Waves in the Sky

For promotion of New Scientist Eureka Prize for Science Photography only.

Giselle Goloy
© Giselle Goloy


This is an example of a Kelvin-Helmholtz Wave Cloud, formed when lighter warmer air passes above denser colder air. If the difference in the speed of the two air layers is significant, this shear induces clouds with wave-like appearance to develop between the two layers. The photo was taken at Jervis Bay, NSW and used as one of the photos along with my mom's article in the Philippine Daily Inquirer. (Where in the world is Windang?, published 1/6/08). This photo is the front cover on the Cloud Appreciation Society's 2009 Cloud Calendar and has appeared in their Cloudspotters' Guide Handbook.


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