A comparison of numerically determined divergent and non-divergent winds to geostrophic winds.
Lacey, Fred Ernst
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Numerical weather analysis relies heavily on numerically computed winds both for direct output and internally for calculating advection and other purposes. It is the intent of this paper to compute, analyze, and compare the geostrophic, the non-divergent, the divergent, and a combination of the latter two. Where there occurs a significant difference between these numerically derived winds, an attempt is made to compare each to the observed winds. This study is made for all standard levels through 300 mb. Data and several computer programs were furnished by the U.S. Navy Fleet Numerical Weather Facility, Monterey, California.
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