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Climate - World Meteorological Organization
Feb 19, 2025 · The WMO Climate Services Information System (CSIS) is the principal mechanism through which information about climate – past, present and future – is routinely produced, archived, analysed, modelled, exchanged and processed.The CSIS is the “operational core” of the Global Framework for Climate Services (GFCS), the United Nations-led ...
State of the Climate 2024 Update for COP29 - wmo.int
The WMO State of the Climate 2024 Update once again issues a Red Alert at the sheer pace of climate change in a single generation, turbo-charged by ever-increasing greenhouse gas levels in the atmosphere. 2015-2024 will be the warmest ten years on record; the loss of ice from glaciers, sea-level rise and ocean heating are accelerating; and extreme weather is wreaking havoc on …
About Essential Climate Variables - gcos.wmo.int
GCOS Climate monitoring principles. The GCOS Climate Monitoring Principles are intended to provide guidance to those involved in the design, development, deployment, and management of observing systems for climate-related needs across all domains (surface, above surface, and subsurface), all observing platforms, and all essential climate variables (ECVs).
Climate change - World Meteorological Organization
Feb 14, 2025 · Climate change is the term used to describe changes in the state of the climate that can be identified by changes in the average and/or the variability of its properties and that persists for an extended period, typically decades or longer.
Climate change impacts grip globe in 2024 - wmo.int
Climate change impacts gripped the globe in 2024, with cascading impacts from mountain peaks to ocean depths and on communities, economies and the environment. WMO The year 2024 is set to be the warmest on record , capping a decade of unprecedented heat fuelled by human activities, according to the World Meteorological Organization (WMO).
2024 State of Climate Services - wmo.int
The State of Climate Services report says that in 2024, one third of National Meteorological and Hydrological Services (NMHSs) provide climate services at an ‘essential’ level, and nearly one third at an ‘advanced’ or `full’ level. It says that countries in Asia and Africa, in particular, have made strides in boosting their capacity ...
Implications of Climate Change for Air Quality - wmo.int
Climate change will affect the emissions of aerosol precursors, in particular, biogenic volatile organic compounds. Shifts in the period and intensity of climate modes such as El Niño/Southern Oscillation (ENSO) in the tropical Pacific will affect the precipitation regimes in …
January 2025 sees record global temperatures despite La Niña
January 2025 was 1.75°C above the pre-industrial level, according to the Copernicus Climate Change Service (C3S), implemented by the European Centre for Medium-Range Weather Forecasts. It said that it was the 18th month in the last nineteen months for which the global-average surface air temperature was more than 1.5°C above the pre ...
WMO issues new guidelines on evaluation of weather and climate …
Dec 20, 2023 · Knowledge of weather and climate extremes is critically important, not only for climate science, but also for practical purposes. For example, when designing a building or a bridge, it is essential to know, based on past observations, how fast the wind speeds in a given geographical area could actually reach.
Climate Services Information System - World Meteorological …
Feb 19, 2025 · It supports national and international assessments of climate change, including those of the Intergovernmental Panel on Climate Change (IPCC). At regional level. Regional Climate Centres (RCCs) are centres of excellence that create regional climate products, including long-range forecasts that support both regional and national climate activities.