World Meteorological Organization

In light of the coronavirus (COVID-19) pandemic, WMO has taken the decision to postpone the Eighth International Workshop on Volcanic Ash (IWVA/8). The workshop was due to be held in Reykjavik, Iceland in mid-October 2020. Instead, IWVA/8 is now tentatively rescheduled to early October 2021 at the

The COVID-19 pandemic is affecting the socio-economic well-being of many nations and many industries, including the provision of meteorological service for international air navigation. WMO has developed preliminary guidelines to assist aeronautical meteorological service providers (AMSPs) of WMO

TECO - 2022! WMO Technical Conference on Meteorological and Environmental Instruments and Methods of Observation (TECO-2022) 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

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

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

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

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

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