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Evaluation of Spectral Versus Grid Methods of Hemispheric Numerical Weather Prediction
Publisher: American Meteorological Society
Abstract: Using observed hemispheric meteorological data as initial conditions, typical barotropic (one-level) filtered-equation numerical weather prediction models were integrated both by the conventional grid-point method and by ...
Expansion of Hemispheric Meteorological Data in Antisymmetric Surface Spherical Harmonic (Laplace) Series
Publisher: American Meteorological Society
Abstract: A brief review of methods of expanding scalar functions in surface spherical harmonic or Laplace series reveals that the method proposed by Neumann in 1838 has distinct advantages. Since it allows exploitation of the ...
WIND VARIABILITY AS A FUNCTION OF TIME
Publisher: American Meteorological Society
Abstract: Kolmogorov's structure functions for longitudinal and transverse components of isotropic turbulence when combined vectorially provide a prediction that vector time variability of the horizontal wind should vary as the cube ...
A CLIMATOLOGY OF EPSILON (ATMOSPHERIC DISSIPATION)
Publisher: American Meteorological Society
Abstract: Kolmogorov's structure functions for the longitudinal and transverse components of locally homogeneous isotropic turbulence are combined vectorially to obtain an expression which permits the evaluation of ? (atmospheric ...
Diagnosis of Early Baroclinic NWP Models
Publisher: American Meteorological Society
Abstract: On the basis of the evidence available to date it is concluded that the two most important faults of early baroclinic models, 1) overdevelopment in terms of a general increase in kinetic energy and 2) failure to amplify ...
Case Study of Feedbacks and Synergisms in a Doubled CO2 Experiment
Publisher: American Meteorological Society
Abstract: A method is described for analyzing the feedback and synergistic contributions of temperature, water vapor, cloud cover, surface albedo and CO2 to the change in the radiation balance at the top of the atmosphere due to a ...