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

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News

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WMO Technical Conference on Meteorological and Environmental Instruments and Methods of Observation (TECO-2020) with the theme Sustainable fit-for-purpose measurements – a foundation of the WMO Earth System approach, will be held in Paris (France) at Paris Expo Porte de Versailles, Hall 7.1, from 21
Landing page of WDQMS Webtool
WMO launched the operational version of the WIGOS Data Quality Monitoring (WDQMS) Webtool (https://wdqms.wmo.int/), on Tuesday 17 March 2020. The tool is a cornerstone of WMO's strategy to strengthen the monitoring of the WIGOS component observing systems as WMO implements the Global Basic Observing
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The Fourth Meeting of the Inter Programme Expert Team on Observing System Design and Evolution (IPET-OSDE) of the Open Programme Area Group for Integrated Observing Systems (OPAG-IOS) of the Commission for Basic Systems (CBS) was held at the WMO Headquarters in Geneva, Switzerland from 12 to 13
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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
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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.
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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/
Global Atmosphere Watch
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
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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.
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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.
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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