(1) Improving the representation of mixed-phase cloud microphysics in the ICON-LEM (2) The challenge of classifying propagating synoptic distubances in the African tropics (3) The impact of surface heterogeneity on turbulent fluxes and precipitation using ICON-LES simulations (4) On the Non-Stationarity of SST Forced Rainfall Variation and Predictability Over Greater Horn of Africa