World Metereological Organization

The scoping workshop on future activities for assessing the impact of various observing systems on Earth System Prediction was held at the WMO Headquarters in Geneva, Switzerland, from 9 to 11 December 2019. About 50 participants from 16 Countries and 5 international organizations attended the

WMO has just published an update to WMO-No. 485, Manual on the Global Data-processing and Forecasting System, Annex IV to the WMO Technical Regulations. The update is available via the WMO e-Library here in English. The French, Spanish and Russian language versions will be available in due course

With immediate effect, the URL of the Services for Aviation Moodle portal has been changed from https://aviation.wmo.int/moodle to https://aviationtraining.wmo.int/. Please update your bookmarks to https://aviationtraining.wmo.int/ CLICK HERE to return to our homepage

The Global Atmosphere Watch (GAW) Programme of the World Meteorological Organization (WMO) through its Implementation plan for 2016-2023 embarked on the development of new environmental products and services for the user community. These are to be implemented through the translational scientific

WMO has just published an update to WMO-No. 306, Manual on Codes - International Codes, Volume I.3, Part D - Representations derived from data models. The update is available via the WMO e-Library here in English, French and Spanish. The Russian language version will be available in due course

The Preliminary 2020 Edition of the WMO-No. 8 (Volume IV and Volume III/Chapter 4) is now available for consideration by Members. To find more please click here.

WMO has launched a global survey targeting aviation professionals - more specifically, administration and governance personnel, flight crew members, air traffic services personnel, airline operators, airport operators, ground handling operators and original equipment manufacturers - to clarify their

WMO has recently published Guidelines on Emerging Data Issues (WMO-No. 1239). These Guidelines are the result of a request made at the seventeenth World Meteorological Congress (Cg-17) to provide clarity and guidance for Members in navigating the rapidly changing world of data and data technologies