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1853: |
First International Meteorological Conference (Brussels) |
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1873: |
WMO predecessor, the International Meteorological Organization (IMO) established |
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1947: |
WMO Convention agreed unanimously by Conference of Directors |
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1950: |
WMO Convention entered into force on 23 March |
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1951: |
WMO became a specialized agency of the United Nations |
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1957: |
Global Ozone Observing System set up |
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1957/1958: |
Participation in the International Geophysical Year |
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1963: |
World Weather Watch launched |
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1971: |
Tropical Cyclone project established (upgraded to Tropical Cyclone Programme in 1980) |
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1972: |
Operational Hydrology Programme established |
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1976: |
WMO issues first international assessment of the state of global ozone |
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1977: |
Integrated Global Ocean Services System established jointly by WMO and the Intergovernmental Oceanographic Commission of UNESCO |
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1978/1979: |
Global Weather Experiment and Monsoon Experiments under the Global Atmospheric Research Programme |
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1979: |
First World Climate Conference, which led to the establishment of the Intergovernmental Panel on Climate Change (IPCC), the World Climate Programme and the World Climate Research Programme |
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1980: |
World Climate Research Programme established |
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1985: |
Vienna Convention on the Protection of the Ozone Layer |
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1987: |
Montreal Protocol on Substances that Deplete the Ozone Layer |
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1988: |
WMO/UNEP Intergovernmental Panel on Climate Change established |
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1989: |
Global Atmosphere Watch established |
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1990: |
Second World Climate Conference, which initiated the Global Climate Observing System; the International Decade for Natural Disaster Reduction; First IPCC Assessment Report released |
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1991: |
WMO/UNEP convened first meeting of the Intergovernmental Negotiating Committee of the United Nations Framework Convention on Climate Change |
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1992: |
The Global Climate Observing System established |
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1993: |
World Hydrological Cycle Observing System launched |
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1995: |
Climate Information and Prediction Services established; Second IPCC Assessment Report released |
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2000: |
WMO celebrates 50 years of service |
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2001: |
Third IPCC Assessment Report released |
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2003: |
Natural Disaster Prevention and Mitigation Programme, Space Programme and Programme for the Least Developed Countries launched |
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2005: |
Group on Earth Observations Secretariat established at WMO headquarters |
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2007: |
Fourth IPCC Assessment Report released; IPCC is awarded the Nobel Peace Prize |
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2009: |
World Climate Conference-3 |
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2010: |
WMO celebrates 60 years of service for your safety and well-being |
