Modifications to an Operational Numerical Weather Analysis System and Application to Rainfall

Abstract

Modifications are made to an operational numerical weather analysis procedure concerning, chiefly, generation of the first approximation and consistency of analyzed scale with information density, with a view to extending the scope of the procedure. The method developed is applied to the analysis of climatic normal and monthly total rainfall patterns with favorable results. It is considered that the method, properly adapted, is suitable for more general application to other scalar fields such as dew point, wind component, shorter period rainfall and even survey contour analysis.