The World Meteorological Organization (WMO) is a global supranational meta-framework foundational-WMO-treaty framework adopted by the WMO Convention in Washington DC — structurally distinctive globally as the only modern global supranational binding-treaty framework operating on formal international…
International Meteorological Organization IMO founded 16 September 1873 in Vienna at First International Meteorological Congress — predecessor framework to WMO.
WMO Convention adopted 11 October 1947 in Washington DC — formal foundational WMO treaty framework adopted.
WMO Convention entered force 23 March 1950 — formal foundational WMO treaty framework operational + 23 March World Meteorological Day framework.
WMO became UN specialized agency 17 December 1951 by UN General Assembly Resolution 531 VI — formal WMO UN specialized agency framework operational.
World Weather Watch WWW established 1963 — formal foundational WWW framework operational.
Intergovernmental Panel on Climate Change IPCC established 1988 by WMO + UNEP — formal foundational IPCC co-parent framework operational.
Early Warnings for All Initiative launched 23 March 2022 — formal foundational Early Warnings for All framework operational.
Celeste Saulo Argentina became first female WMO Secretary-General 1 January 2024 + State of the Global Climate 2024 Report 1.5C-temporary-breach 2024 framework — formal Celeste Saulo + State of Global Climate framework operational.
Trump-administration-WMO-funding-cuts 2025 + State of the Global Climate 2025 Report framework + UN80 Reform Process 2025-2026 framework — formal Trump-cuts + State of Global Climate + UN80 framework operational.
Continuing WMO framework 2026 — continuing Early Warnings for All 2027 final-year framework approaching + UN80 Reform Process 2025-2026 framework continuing + continuing State of the Global Climate Report annual framework + continuing IPCC AR7 cycle context + continuing Celeste Saulo WMO Secretary-General framework + 79 years since 1947 WMO Convention founding + 153 years since 1873 IMO predecessor framework + structurally distinctive globally only modern global supranational binding-treaty framework operating formal multi-decade-Early-Warnings-Initiative + Trump-cuts framework simultaneously.