WAFS 2023

WAFS 2022 - now WAFS 2023

COVID-19 has had some impact on project planning - the WAFS upgrades are now scheduled to complete in 2023 rather than 2022 as originally planned. For more information on the Met Office response to COVID-19, please see our COVID-19 statement

Further updates on progress will be documented in the ‘Keep up-to-date’ section on this page. 

The future of WAFS

Work is underway to determine the future of WAFS to make it ready for the next generation of aviation. With rapid advancement in data and technology, it is essential that development takes place to ensure the service continues to deliver meteorological information to the aviation community. These changes are largely driven by ICAO’s Global Air Navigation Plan (GANP) and the Aviation System Block Upgrades (ASBU) ensuring that the developments are structured and align to agreed operational objectives.

As World Area Forecast Centres (WAFCs), the UK Met Office and National Oceanic and Atmospheric Administration (NOAA) are working collaboratively to ensure that the next generation of WAFS data sets deliver accurate and improved meteorological data. As the aviation industry rapidly changes, these new and improved data sets will contribute towards limiting the environmental impact of air travel, cope with increased traffic and capacity demands and help air traffic management strategies to mitigate against and avoid hazardous weather conditions.      

Keep up-to-date

Between now and the end of the project, we want to keep you updated with developments about the new WAFS. As new information becomes available, this page will be updated with new documents which outline the aims and progress of the project. We also have our Aviation Services LinkedIn page where we post periodic updates about the WAFS upgrades and other service information. 

The following documents are currently available for you to download and view:

Update summer 2020

We are making good progress towards the November 2020 operational release of icing, turbulence and cumulonimbus sets at 0.25 degree horizontal resolution. We are now routinely making test data sets available to users of the SADIS service

In addition to the improvement in resolution, scientific improvements are also being implemented. The new 'turbulence severity' forecasts use the Graphical Turbulence Guidance system developed by the National Centre for Atmospheric Research (NCAR) in the United States, and provide forecasts in Eddy Dissipation Rate (EDR) which is an objective, aircraft independent measure of turbulence. The new icing severity forecasts benefit from improved algorithms and provide a categorical forecast of icing. 

This is the first stage in the move to providing all WAFS elements at 0.25 degree horizontal resolution, and future changes will also bring additional vertical levels, timesteps and a new delivery system. 

Further information is available in the WAFS Hazard data sets PDF

Find out more

For more information about WAFS 2022 contact [email protected] or [email protected] 

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