Based on the GCE data analysis for a case over the tropical western Pacific, a simple parameterization for wind gustiness has been developed that considers the above three factors. This scheme is found to fit well the GCE data for two other cases over the tropical western Pacific and eastern tropical North Atlantic. Its fit is also much better than that of the traditional approach that considers the contribution to wind gustiness of boundary layer large eddies alone. A simple formulation has also been developed to account for the dependence of our parameterization on spatial scales (or model grid size). Together, our preliminary parameterization can be easily implemented into weather and climate models with various horizontal resolutions.
Zeng, X. Q. Zhang, D. Johnson, and W.-K. Tao, 2002: Parameterization of wind gustiness for the computation of ocean surface fluxes at different spatial scales. Mon. Wea. Rev., 130, 2125-2133 (August 2002 issue).