Joint Centre for Mesoscale Meteorology (JCMM)

Abst60 JCMM Internal Report No.60
Parametrization of diabatic processes in the inversion of the omega-equation
by M Athanassiadou and A J Thorpe

This technical report introduces an improvement to the parametrization of diabatic processes in the inversion of the quasi-geostrophic omega-equation.

It was found that the currently used algorithm sometimes produces predictions of vertical velocities due to diabatic processes which are in excess, in places, of the total model vertical velocities.  This is due to the fact that the omega-equation does not always remain elliptic with the currently used algorithm

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