Categories Nature 19 Unbelievable Cloud Formations Post author By adikaza Post date December 15, 2013 Undulatus Asperatus – Proposed to be a separate cloud formation in 2009, if it is accepted International Cloud Atlas of the World Meteorological Organization then it will be the first addition since 1951. Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 ← 10 Powerful And Mighty Dust Storms → 22 Fascinating Modern Bedrooms To Make You Envious