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Joined 2026-09-21 Message
Incoming links: World Meteorological Organization
World Meteorological Organization Created 2026-10-20 Updated 2026-11-05
The World Meteorological Organization coordinates international cooperation on atmospheric observations and their interpretation. Shared measurement conventions allow observations made by different services to be compared: instrument exposure, averaging intervals and reporting definitions can change the meaning of otherwise similar numbers.
Its instrument guide documents methods for measuring quantities such as pressure at a weather station.[ref]
Guide to Meteorological Instruments and Methods of Observation by the World Meteorological Organization. Part I: instrument methods and observation conventions
The International Cloud Atlas by World Meteorological Organization similarly provides definitions for cloud and precipitation phenomena. Such conventions support physical comparison across observing networks; they do not remove instrument uncertainty or local sampling effects.