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Evaluation of the synoptic and mesoscale predictive capabilities of a mesoscale atmospheric simulation systemThe overall performance characteristics of a limited area, hydrostatic, fine (52 km) mesh, primitive equation, numerical weather prediction model are determined in anticipation of satellite data assimilations with the model. The synoptic and mesoscale predictive capabilities of version 2.0 of this model, the Mesoscale Atmospheric Simulation System (MASS 2.0), were evaluated. The two part study is based on a sample of approximately thirty 12h and 24h forecasts of atmospheric flow patterns during spring and early summer. The synoptic scale evaluation results benchmark the performance of MASS 2.0 against that of an operational, synoptic scale weather prediction model, the Limited area Fine Mesh (LFM). The large sample allows for the calculation of statistically significant measures of forecast accuracy and the determination of systematic model errors. The synoptic scale benchmark is required before unsmoothed mesoscale forecast fields can be seriously considered.
Document ID
19830017046
Acquisition Source
Legacy CDMS
Document Type
Technical Memorandum (TM)
Authors
Koch, S. E. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Skillman, W. C. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Kocin, P. J. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Wetzel, P. J. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Brill, K. (General Software Corp. Landover, Md., United States)
Keyser, D. A. (General Software Corp. Landover, Md., United States)
Mccumber, M. C. (Universities Space Research Association Columbia, Md., United States)
Date Acquired
September 4, 2013
Publication Date
March 1, 1983
Subject Category
Meteorology And Climatology
Report/Patent Number
NASA-TM-84995
Accession Number
83N25317
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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