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Floods are the most common natural hazards with the largest impacts on society. Although exceptionally devastating floods distort the trend, flood impact records show that the number of related fatalities...
Start date1 August 2001
Within its mandate in the areas of weather, climate and water, WMO focuses on many different aspects and issues from observations, information exchange and research to weather forecasts and early warnings, from capacity development and monitoring of greenhouse gases to application services and much, much more.
The impact of aerosols on the atmosphere is widely acknowledged as one of the most significant and uncertain aspects of climate change projections. The observed global warming trend is considerably less than expected from the increase in greenhouse gases, and much of the difference can be explained by aerosol effects. Aerosols impact climate through direct scattering and absorption of incoming solar radiation and trapping of outgoing long-wave radiation as well as through alteration of cloud optical properties and the formation of clouds and precipitation.
Whether due to natural climate variability or climate change, the likelihood of extreme weather conditions is increasing. The impacts include more frequent and severe droughts, which affect the lives of...
Start date11 March 2013
World Meteorological Day was established in 1960 to make the work of National Meteorological and Hydrological Services better known and appreciated by the public of all countries.
Every year, the 23rd of March, the World Meteorological Organization (WMO) and the international meteorological community join efforts to celebrate the World Meteorological Day, commemorating the coming into force in 1950 of the WMO Convention through which WMO assumed the previous responsibilities of the International Meteorological Organization (IMO), established in 1873 to foster international collaboration in meteorology for the protection of life and property.