World Meteorological Organization (WMO) Intergovernmental organization, a specialized agency of the United Nations (UN) since 1950. It promotes cooperation in meteorology through the establishment of a network of meteorological stations worldwide, and by the mutual exchange of weather information. Its headquarters are in Geneva, Switzerland.

http://www.wmo.ch

World Meteorological Organization (WMO) The United Nations agency responsible for gathering, analysing, and disseminating meteorological data. Its establishment was agreed in 1947 as a successor to the International Meteorological Organization, it came into being in 1951, and later in 1951 it became a UN agency. It has 185 members (179 member states and 6 dependent territories).