Developing a 4D variational data assimilation system was one of ECMWF’s biggest-ever projects. It culminated in the operational implementation of 4D-Var on 25 November 1997. A symposium to mark the 20th anniversary will be held at ECMWF on 26 January and will be live-streamed.
12 January 2018
Weather and climate 'dwarfs' designed and implemented in this ECMWF-led project are a major step towards re-structuring existing computational kernels for weather forecasting. They will serve as building blocks for exascale-ready solutions.
24 November 2017
Managed by ECMWF on behalf of the EU, CAMS provides policy makers, businesses, scientists and the general public with reliable information about the composition of our atmosphere and how it is changing.
26 October 2017
To mark the International Day for Disaster Reduction, we look at how ECMWF collaborates with the WMO to help reduce people’s exposure to weather-related disasters.
13 October 2017
ECMWF is leading a new initiative to explore the development of a European system to monitor human activity related carbon dioxide (CO2) emissions across the world.
2 October 2017
Severe flooding along the cross-border Asian rivers of the Ganges and Brahmaputra in July and August this year coincided with tests of new extended-range river discharge forecasts at ECMWF.
1 September 2017