Dec 22, 2025 · Weather is the state of the atmosphere at a particular time, as defined by the various meteorological elements, including temperature, precipitation, atmospheric pressure, wind and humidity.

世界气象组织是联合国系统中负责天气、气候和水资源事务的权威机构，致力于促进全球合作与可持续发展。

The World Meteorological Organization is the UN's voice on weather, climate, and water resources, providing scientific insights into our atmosphere and climate behavior.

World Meteorological Day 2025 Climate change is a real and undeniable threat to our entire civilization. The effects are already visible and will be catastrophic unless we act now. The theme of World …

The World Meteorological Organization’s latest State of the Climate in Africa 2024 report reveals that extreme weather and climate change are intensifying hunger, insecurity, and displacement across …

May 26, 2025 · The Global Annual to Decadal Climate Update is issued annually by the World Meteorological Organization (WMO). It provides a synthesis of the global annual to decadal …

Dec 22, 2025 · Climate is the average weather conditions for a particular location over a long period of time, ranging from months to thousands or millions of years. WMO uses a 30-year period to …

Mar 24, 2025 · Celebrations of the World Meteorological Day will take place worldwide, with events organized by NMHSs on the theme “Closing the early warning gap together”. At WMO Headquarters, …

As weather, climate and the water cycle know no national boundaries, international cooperation at a global scale is essential to implement an Earth system approach for the development of …

This is the warmest year in the 175-year observational record. The State of the Global Climate 2024 report underlined the massive economic and social upheavals from extreme weather and the long …