The 11th Conference on Weather Modification Research and Cloud and Precipitation Physics themes is organized by the World Meteorological Organization (WMO).  The conference will consider weather modification with special emphasis on advances in the subject and prospects. The main themes of the Conference are observational studies and field campaigns, laboratory facilities and studies relevant to the different weather modification topics; numerical modeling, model intercomparisons, verification and assessment studies, new technological developments in seeding platforms, seeding material and methods of delivery etc.