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A monthly forecast experiment: Preliminary reportAn experiment on monthly forecasts with eight winter cases is being carried out, using a 1980 general circulation model (GCM), which incorporates a set of dubgrid-scale physics characterized by the Mellon-Yamada turbulence closure (hierarchy level 2.5), the Monin-Obukhov parameterization for the layer next to the ground surface, Manabe's cumulus parameterization, and the soil heat conduction. The sample cases adopted are for the month of January in the years from 1977 to 1983, which include the extraordinarily severe winter of 1977 and the most pronounced E1 Nino year of 1983. Each case is predicted by prescribing the climatologically normal sea surface temperature as the lower boundary conditions and by using an ensemble means of three individual integrations. These integrations start with three different initial conditions based on the Level data generated separately at the Geophysical Fluid Dynamics Laboratory, the National Meteorological Center, and the European Centre for Medium Range Weather Forecasts.
Document ID
19860014666
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Miyakoda, K.
(Princeton Univ. NJ, United States)
Sirutis, J.
(Princeton Univ. NJ, United States)
Ploshay, J. J.
(Princeton Univ. NJ, United States)
Date Acquired
August 12, 2013
Publication Date
October 1, 1985
Publication Information
Publication: NAS-NRC Proceedings of the First National Workshop on the Global Weather Experiment, Vol. 2, Pt. 1
Subject Category
Meteorology And Climatology
Accession Number
86N24137
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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