Cumulus parameterization and rainfall rates II.

Abstract

In the various formulations of Kuo (1965, 1974) type cumulus parameterization schemes, the moistening and heating by the cumulus are made proportional to the humidity and temperature differences between a model cloud and its environment. The constants of proportionality that differentiate the various versions of the Kuo's schemes are based on different closure assumptions. A proposal for a mesoscale convergence parameter eta and a moistening parameter beta is made to overcome some of the limitations of the above schemes.-from Authors