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Original Articles

The mathematical equivalence of multi-level and vertically integrated numerical forecasting models

Pages 424-431 | Received 26 Jul 1963, Published online: 15 Dec 2016
 

Abstract

It is shown that, if the equations for an n-level model are averaged, the resulting equations have mathematical forms which, under certain conditions, are identical with those of the vertically integrated n-parameter model. The implications for the temperature and ω-profiles are discussed in order to achieve exact mathematical equivalence. A physically consistent vertically integrated model yields temperature and ω-profiles which depart from those required for mathematical exactness, yet appears to lead to more realistic results.DOI: 10.1111/j.2153-3490.1963.tb01405.x