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252 contents match your search.
Bulletin nº Vol 64 (2) - 2015
Publish Date: 4 December 2015
Caribbean, Pacific and Indian Ocean Small Island Developing States (SIDS) are extremely vulnerable to hydro-meteorological hazards. In the coming years, climate change is likely to increase the frequency and severity...
Publish Date: 18 June 2021
The Climate Risk and Early Warning Systems (CREWS) Initiative is mobilizing an additional US$ 28 million to deliver early warning systems in Least Developed Countries (LDCs) and small island developing States (SIDs) to protect lives and livelihoods from the impacts of severe weather.
Publish Date: 14 June 2021
The World Meteorological Organization’s Executive Council meets in virtual session from 14 to 25 June , with a focus on strengthening and scaling up weather, climate, water and environmental-related services to meet ever growing needs. It will also discuss a major update to WMO’s data policy, closing the gap in the global observing system and a plan of action for hydrology.
Publish Date: 11 June 2021
Above normal air and sea-surface temperatures are expected over the majority of the Arctic regions in June, July, and August 2021. Lower to near normal ice cover is the predominant forecast while early to near normal break-up of sea ice is expected for most regions. This is according to a new seasonal climate outlook produced by the Arctic Climate Forum.
Publish Date: 4 June 2021
Facing the triple threat of climate change, loss of nature and pollution, the world must deliver on its commitment to restore at least one billion degraded hectares of land in the next decade – an area about the size of China. Countries also need to add similar commitments for oceans, according to a new report by the UN Environment Programme (UNEP) and the Food and Agriculture Organization of the UN (FAO).
Publish Date: 3 June 2021
The ASEAN Climate Outlook Forum (ASEANCOF) has issued its seasonal forecast for June-July-August 2021 for Southeast Asia, taking into account the end of the La Niña event and the Indian Ocean Dipole (IOD), which is currently neutral though may become negative.
Publish Date: 11 May 2021
The COVID-19 pandemic has exacerbated impacts of extreme weather and climate change in vulnerable countries but also highlighted the need to build resilience against a multitude of hazards through better early warnings and risk information.
Publish Date: 10 May 2021
A new World Meteorological Organization bulletin on Aerosols examines the impact of biomass burning (wildfires and open burning for agriculture) on climate and air quality. It covers the episodes of the 2019/2020 Australian bushfires, the 2015 Indonesia peatfires and smoke transport from boreal forest fires to the Arctic.
Publish Date: 7 May 2021
A Global Methane Assessment released by the Climate and Clean Air Coalition (CCAC) and the United Nations Environment Programme (UNEP) shows that human-caused methane emissions can be reduced by up to 45 per cent this decade.
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.