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AI Weather Quest - A year of progress in AI-based sub-seasonal prediction - WEBINAR.

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  AI-based sub-seasonal prediction uses machine learning to forecast weather trends two weeks to two months ahead, overcoming the traditional accuracy drop past 10 to 14 days. Why Sub-Seasonal AI Matters? Filling the Gap: Traditional computer models lose skill beyond two weeks, but AI models process vast historical data to spot lingering atmospheric and oceanic patterns. Speed and Cost: AI emulators generate long-range forecasts in a fraction of the time and computational power required by traditional supercomputer simulations. Key Innovations: Frameworks like DeepMet and Probabilistic Bias Correction (PBC) reduce root-mean-square errors and double the skill of standard sub-seasonal lead times. Major Initiatives AI Weather Quest : An international competition organized by the European Centre for Medium-Range Weather Forecasts (ECMWF) to benchmark global AI/ML probabilistic forecasts for weeks 3 and 4. Sector Applications: Industries like energy trading, agriculture, and water ma...

WMO - Press Conference: El Niño Update.

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WMO El Niño Update. Speakers: Celeste Saulo, WMO Secretary-General Wilfran Moufouma Okia, Chief of Climate Prediction Section, WMO Download Watch the WMO - Press Conference:El Niño Update! 00:36:56 Press Conferences

Remarks of the United Nations Secretary-General at the World Artificial Intelligence Conference Meteorological Forum (Shanghai).

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The Secretary-General will address the "Dialogue on Early Warnings for All in Response to Climate Change" at the World Artificial Intelligence Conference Meteorological Forum. Watch the UN Secretary-General António Guterres remarks at the World Artificial Intelligence Conference Meteorological Forum (Shanghai)! Live Meetings & Events

(WMO) – Press Briefing on El Niño.

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The Secretary-General of the UN World Meteorological Organization (WMO) will brief the media on the need to prepare for an El Niño event, which will significantly influence global temperature and rainfall patterns. Speakers: Celeste Saulo, Secretary-General, WMO Wilfran Moufouma Okia, Chief of Climate Prediction, WMO Celeste Saulo (WMO) – Press Briefing on El Niño 00:35:17 Press Conferences

State of the Global Climate 2025.

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   The Earth’s climate is more out of balance than at any time in observed history, as greenhouse gas concentrations drive continued warming of the atmosphere and ocean and melting of ice, according to the World Meteorological Organization (WMO) . These rapid and large-scale changes have occurred within a few decades but will have harmful repercussions for hundreds – and potentially thousands – of years. State of the Global Climate 2025 The global climate system is complex. In order to unpack such complexity, the WMO State of the Global Climate 2025 uses Climate Indicators to describe the changing climate. The following site aims to provide an overview of the annually produced State of the Climate report . Please note that for some indicators, 2025 data is not yet available. The latest available data is provided where this is the case. Greenhouse Gases Increasing levels of greenhouse gases, like carbon dioxide, in the atmosphere due to human activities are a major driver of...

Message of the United Nations Secretary General on the occasion of the World Meteorological Day 2026; March 23rd.

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  On this World Meteorological Day , we are reminded that foresight saves lives. Climate chaos is rewriting the rules of weather, with record heat, longer droughts, rising seas and ever more frequent and extreme disasters. Accurate, trusted science is our first line of defence. The World Meteorological Organization and national services help keep us safe by weaving a global web of data, from land, sea, air and space – turning measurements into forecasts, and forecasts into early warnings. Yet the global observing system is under strain, with critical gaps, especially in least developed countries and small island developing States. This year’s theme, Observing Today, Protecting Tomorrow, is a call to action. Governments, development banks and the private sector must scale up support for our global observing backbone, from surface stations to satellites, and ensure data is shared openly and equitably. And we must accelerate Early Warnings for All so that, by 2027, every person is pro...

Message of Mr. Makoto Suwa on the occasion of the World Meteorological Day 2026; March 23rd.

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    Watch the Message of Mr. Makoto Suwa on the occasion of the World Meteorological Day 2026