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SOME OBSERVATIONS OF THE BEHAVIOR OF SPHERICAL HARMONIC WAVES

RAYMOND J. DELANDNew York University, New York, N.Y

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Abstract

One month of daily spherical harmonic expansions of 500-mb. height in the Northern Hemisphere were studied. The movements of the waves are compared with the Rossby-Haurwitz wave speeds computed from the zonal geostrophic wind profile. Systematic differences between the observed and theoretical wave speeds are found.

Abstract

One month of daily spherical harmonic expansions of 500-mb. height in the Northern Hemisphere were studied. The movements of the waves are compared with the Rossby-Haurwitz wave speeds computed from the zonal geostrophic wind profile. Systematic differences between the observed and theoretical wave speeds are found.

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