The World Meteorological Society announce that it is recognizing 12 new cloud-related features in its latest update to the International Cloud Atlas, released this week. These will be the first additions since 1951. As Matt McGrath at the BBC reports, the first International Cloud Atlas was released in 1896 and included 28 color photos. The last edition was produced in 1975 with an update that came out in 1987. This latest edition is being presented as a web portal on the WMO website.