Welcome to the new WMO Community Platform!

We are currently migrating all the content from the legacy system and you might find incomplete pages. The legacy system is still available here.

If you find any issue with the new system or you want to send some feedback please send an email to community@wmo.int

Instruments and Methods of Observation Programme (IMOP)

The Instruments and Methods of Observation Programme (IMOP) sets technical standards, quality control procedures and guidance for the use of meteorological instruments and observation methods in order to promote development documentation and world-wide standardization.

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