A STATISTICAL STUDY OF THE VERTICAL STRUCTURE OF TRAVELING PLANETARY-SCALE WAVES

1 January 1968

journal article
Published by American Meteorological Society in Monthly Weather Review

Vol. 96 (1) , 12-22
https://doi.org/10.1175/1520-0493(1968)096<0012:assotv>2.0.co;2

Abstract

The vertical structure of traveling planetary-scale waves is investigated using spherical harmonics of the geopotential field at levels from 1000 mb. to 10 mb., obtained from ESSA analyses. Fluctuations of the large-scale harmonics are analyzed using vector regression methods. Westward-moving planetary-scale waves are shown to be present throughout the year at all the levels analyzed, with upward increasing amplitude in winter. Abstract The vertical structure of traveling planetary-scale waves is investigated using spherical harmonics of the geopotential field at levels from 1000 mb. to 10 mb., obtained from ESSA analyses. Fluctuations of the large-scale harmonics are analyzed using vector regression methods. Westward-moving planetary-scale waves are shown to be present throughout the year at all the levels analyzed, with upward increasing amplitude in winter.

Keywords

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