ECMWF | Reading | 13 - 16 November 2017
The workshop brought together experts in numerical weather prediction and climate modelling to discuss and propose ways forward on the modelling of physical processes in the greyzone of horizontal resolutions ranging from 1 km-10 km grid-spacing. The workshop aimed to shed light on the greyzone topic from different angles to identify novel approaches and development opportunities.
Topics discussed included the required complexity of cloud microphysics, the interaction of cloud microphysics, convection and boundary layer turbulence, the interaction with and the representation of the surface heterogeneity, including orography and vegetation over land and the sea-surface state over the ocean, and the physics-dynamics interplay with increasing resolution, including difficulties and opportunities arising from emerging HPC architectures.
These were discussed in the context of the inherent uncertainty of the above modelled processes (or of the underlying HPC hardware) and in view of ECMWF's ten year strategy to develop a 5km global ensemble.
Presentations and recordings
Monday 13 November
Tuesday 14 November
Wednesday 15 November
Peter Bechtold, Michail Diamantakis, Richard Forbes, Martin Leutbecher, Sarah-Jane Lock, Sylvie Malardel, Irina Sandu, Nils Wedi