Some performance comparisons between NMC's spectral model and the seven-layer primitive equation model

Marks, Donald G.; Stackpole, John D.

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Some performance comparisons between NMC's spectral model and the seven-layer primitive equation model

1983
By Marks, Donald G. ; Stackpole, John D.
Series: Office note (National Centers for Environmental Prediction (U.S.)) ; 277

[PDF-729.32 KB]

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Personal Author:

Marks, Donald G. ; Stackpole, John D.

Marks, Donald G. ; Stackpole, John D. Less -
Corporate Authors:

National Meteorological Center (U.S.)
NOAA Program & Office:

NWS (National Weather Service) ; NCEP (National Centers for Environmental Prediction)

NWS (National Weather Service) ; NCEP (National Centers for Environmental Prediction) Less -
Description:

The performance of NMC's new global spectral model is compared to the performance of the older, seven-layer, grid-point primitive equation model which it replaced. Since it has been in operation since August 1980, mean error statistics may be used to determine this performance. In general, the spectral model shows a distinct improvement in overall forecast skill. The spectral model especially shows an improvement in wave amplitudes and generally stronger flow. Much of this improvement occurs in the longer waves and leads to greatly improved medium range forecasts.
Content Notes:

Donald G. Marks, John D. Stackpole.

"May 1983."

"This is an unreviewed manuscript, primarily intended for informal exchange of information among NMC staff members."

System requirements: Adobe Acrobat Reader.

Includes bibliographical references.
Keywords:

[+]

Mathematical Models Numerical Analysis Numerical Weather Forecasting Spectral Theory (Mathematics) Weather Forecasting
Series:

Office note (National Centers for Environmental Prediction (U.S.)) ; 277
Document Type:

Office Note
Place as Subject:

United States
Rights Information:

Public Domain
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Library
Main Document Checksum:

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urn:sha256:810785cd027f71f40b55110af61d49aad787915aaf694229ee74003ad0837426
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https://repository.library.noaa.gov/view/noaa/11529/noaa_11529_DS1.pdf
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Some performance comparisons between NMC's spectral model and the seven-layer primitive equation model

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