Application of transilient turbulence theory to mesoscale numerical weather forecasting

Abstract

In this study we show that a unified turbulence parameterization, when divorced from the smoothing procedures needed for numerical stability of the host model, can be implemented in a numerical weather prediction model. With the new turbulence parameterization we are able to produce evolving turbulent boundary layers and turbulence at higher altitudes. The turbulence is found to be sensitive to various feedback processes that modulate convection. We highlight the positive and negative aspects of the new turbulence parameterization scheme. -from Authors