The Convention of the WMO.




On this day in 1947, the Convention of the WMO was signed and later officially ratified in 1950, marking the start of our journey.













In these 75 years, WMO’s story has been built on advancing science into action for the global good. As a specialized agency of the United Nations, we’re proud to celebrate this milestone and invite you to join us on our #WMO75 journey!

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