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

让我们确保地球相关信息不仅被收集起来，更能为所有人所理解、获取并付诸实践。 WMO秘书长席列斯特·绍罗（Celeste Saulo）教授

Every 23 March, the World Meteorological Organization commemorates the coming into force of the Convention establishing the World Meteorological Organization on 23 March 1950.It showcases the …

Background Every 23 March, the World Meteorological Organization commemorates the coming into force of the Convention establishing the World Meteorological Organization on 23 March 1950. The …

(Note: Previous editions of the WMO-No. 8 are available from WMO Library by sending a request to library (at)wmo.int.) VOLUME IMEASUREMENT OF METEOROLOGICAL VARIABLESChapter …

Mar 2, 2026 · Observing Today, Protecting TomorrowWorld Meteorological Day 2026 celebrates the global efforts of the meteorological, hydrological and climate community in observing our planet to …

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 Meteorological Day 2024 is therefore …

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.

Mar 3, 2025 · Dear Members, Colleagues, FriendsHappy World Meteorological Day. Happy 75th Anniversary of the World Meteorological Organization as the UN’s authoritative voice on weather, …

La Organización Meteorológica Mundial es el portavoz autorizado de las Naciones Unidas sobre el tiempo, el clima y el agua