A Comparison between Observed and Computed Winds with Respect to their Applicability for Vorticity Computations

¹ The investigations reported in this paper have been supported by a grant from the U. S. Weather Bureau.

Abstract

The insufficiency of computed height values for computations of derivatives such as vorticity and convergence, at least for the 300-mb and higher levels, is illustrated by theoretical and practical examples, and it is recommended to make more extensive use of observed winds. This gives a possibility to take into account the cyclostrophic and other non-geostrophic wind components for the vorticity computation which is the first step in the numerical forecasting methods (Charney 1951).

Notes

¹ The investigations reported in this paper have been supported by a grant from the U. S. Weather Bureau.