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Predictions of zonal wind and angular momentum by the NMC medium-range forecast model during 1985-89This paper investigates the quality of weather predictions of the atmosphere's relative angular momentum (M) made by the most recent version of the NMC medium-range forecast model (MRF88) during December 1985-1989. It was found that, compared with older versions of MRF, bias errors in the MRF88 forecasts of M became more prominent, while random errors were not affected. Both types of errors in the M forecasts could be traced to problems with forecasts in the zonal mean zonal wind in the tropics.
Document ID
19910043577
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Rosen, Richard D.
(Atmospheric and Environmental Research, Inc. Cambridge, MA, United States)
Salstein, David A.
(Atmospheric and Environmental Research, Inc. Cambridge, MA, United States)
Nehrkorn, Thomas
(Atmospheric and Environmental Research, Inc. Cambridge, MA, United States)
Date Acquired
August 14, 2013
Publication Date
January 1, 1991
Publication Information
Publication: Monthly Weather Review
Volume: 119
ISSN: 0027-0644
Subject Category
Meteorology And Climatology
Accession Number
91A28200
Funding Number(s)
CONTRACT_GRANT: NOAA-50DGNW700101
CONTRACT_GRANT: JPL-957545
Distribution Limits
Public
Copyright
Other

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