Could this be the first new type of cloud to be recognized since 1951? Gavin Pretor-Pinney, founder of the Cloud Appreciation Society, discovered this new type of choppy clouds in 2005 and is calling it Undulatus asperatus. Read the full story here: http://news.nationalgeographic.com/news/2009/06/photogalleries/new-cloud-pictures/ or http://www.meteorologynews.com/2009/06/06/new-cloud-type-discovered-undulus-asperatus/