Abstract
We focus on processes where the physics-dynamics interaction is strong and which remain challenging even at future O (1–5km) resolutions for both the model and the data assimilation: the coupling of deep convection with the larger-scale circulation, gravity waves and their impact in the stratosphere, the diurnal cycle of convection and mesoscale convective systems, and the cloudy convective boundary-layer and its impact on the global shortwave radiation budget. We use the European Centre of Medium-range Weather Forecast Integrated Forecast System (IFS) with its 9km horizontal resolution as a benchmark for global numerical weather prediction and also explore 4km resolution reforecasts with and without the deep convection parametrization and ensemble forecasts with stochastically perturbed convection parameters.
Published Version
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