Mesoscale Simulation of Open Cellular Convection: Roles of Model Resolutions and Physics Parameterizations

The Open Cellular Convection (OCC) associated with cold air outbreaks is a common phenomenon over the North Sea where large number of wind parks are presented. Thus, reliable numerical simulations OCC events have great importance for offshore energy. We investigate ability to simulate using Weather Research and Forecast (WRF) model ERA5 reanalysis data as initial lateral boundary conditions OSITA sea surface temperature. domains were nested from 9 km outermost domain 1 innermost surrounding Teesside farm located in off northeast coast England. simulated an event 2015 three series sensitivity experiments planetary layer, microphysics, radiation parameterizations. outputs validated against observation at Teesside’s meteorological mast. results suggest that layer schemes most sensitive during compared other parameterization schemes. Futher more, convective-resolved resolution necessary simulating variation properly. paper also discuss verification methods such short time-scale like OCC.