UN System Documentation

World Meteorological Organization (WMO)

• Established pursuant to the World Meteorological Convention adopted at the 12th Conference of Directors of the International Meteorological Organization (IMO) in 1947; commenced operations as the successor to IMO in 1951; became a specialized agency of the United Nations in 1951.
  • World Meteorological Convention
    • Entered into force 1950
• Relationship Agreement with UN (1951)
  • 123 UNTS 245
• Governing Bodies
  • World Meteorological Congress
    • Meets every four yesars
  • Executive Council
• Basic Documents
• Library
• Secretaries-General
  • 2024-: Celeste Saulo (Argentina)
  • 2016-2023 : Petteri Taalas (Finland)
  • 2004-2015: Michel Jarraud (France) 
  • 1984-2003: Godwin Olu Patrick Obasi (Nigeria) 
  • 1980-1983 : Aksel C. Wiin-Nielsen (Denmark) (Press release WMO/206 [1979])
  • 1956-1979 : David Arthur Davies (United Kingdom of Great Britain and Northern Ireland) (Press release WMO/171-BIO/842 [1971])
  • 1952-1955 : Gustav Swoboda (Switzerland)