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Message from the Secretary-General on the occasion of World Meteorological Day 2010
by Michel Jarraud
Every year on 23 March, the World Meteorological Organization (WMO) and the international meteorological community join in celebrating World Meteorological Day, to commemorate the coming into force of the WMO Convention on 23 March 1950, precisely 30 days after the day when the thirtieth instrument of ratification of the Convention was deposited by countries wishing to join the new Organization.
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The Global Satellite Observing System: a success story
by Tillmann Mohr
The first launches of artificial satellites beginning with Sputnik on 4 October 1957 by the Soviet Union and with Explorer I by the United States of America on 2 January 1958 heralded a new era of Earth observation.
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Pioneering the collection and exchange of meteorological data
by Fred Branski
Over the past 60 years, WMO and its Members have created and evolved observing and information systems to meet the ever-growing challenges of an increasingly complex society. More ∣ View as pdf
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Working to standardize instruments and methods of observation
by John Nash, Klaus Behrens and Michel Leroy
Requirements for high-quality observational data and their worldwide compatibility were a governing principle when the International Meteorological Organization was established in 1873.
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Public weather services for disaster reduction
by B.Y. Lee and Hilda Lam
National Meteorological and Hydrological Services all over the world have an essential role to play in bringing about disaster reduction through delivery of quality public weather services, including the provision of weather forecasts, early warnings on hazardous weather, outreach activities to enhance public awareness of weather hazards, interpretation and use of the weather information, as well as collaboration with disaster relief organizations to minimize loss of life and property.
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Building a legacy through World Climate Conference-3
Following the legacy of the first and the second World Climate Conferences that laid the foundation for building climate research and observational activities to understand the nature of the climate challenges and to initiate an international policy dialogue, World Climate Conference-3 (WCC-3) made a leap to put climate science in the service of society.
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WCC-3 High-level Segment: in their own words
During the High-level Segment of WCC-3, from 3 to 4 September 2009, high-level policy-makers from 160 countries agreed to establish a Global Framework for Climate Services to “strengthen production, availability, delivery and application of science-based climate prediction and services”.
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The Global Atmosphere Watch: a history of contributing to climate monitoring
by Ed Dlugokencky, John Miller and Johannes Staehelin
Monitoring of trace atmospheric constituents was originally driven by scientific curiosity. It was not long, however, before questions were raised over the connection between observed increases in certain trace chemicals and human activities, and what the consequences would be for humanity if it should continue unabated.
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The evolution of operational hydrology within WMO
by Harry Lins
The role of hydrology within WMO has evolved significantly since enactment of the WMO Convention in 1950.
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Building capacity
around the world
Over the past 60 years, WMO has assisted the National Meteorological and Hydrological Services of its Members with capacity building in a number of critical areas to foster their growth and development.
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Milestones
1853: First International Meteorological Conference
1873: WMO predecessor, the International Meteorological Organization established
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