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Proceedings Paper

The impact of current and future polar-orbiting satellite data on numerical weather prediction at NASA/GSFC
Author(s): Robert M. Atlas
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Paper Abstract

Satellite observations are a critical component of the global atmospheric observing system, and contribute substantially to the current accuracy of numerical weather forecasts. In this paper, two types of experiments related to the effectiveness of these and other observations are described. These are: Observing System Experiments (OSEs), which are conducted to evaluate the impact of an existing observing system; and Observing System Simulation Experiments (OSSEs) which are conducted to evaluate the potential for future observing systems to improve NWP, as well as to evaluate trade-offs in observing system design, and to develop and test improved methods for data assimilation. This paper summarizes the methodology for such experiments and presents selected results from OSEs to evaluate satellite data sets that have recently become available to the global observing system, such as AIRS and SeaWinds, and results from recent OSSEs to determine the potential impact of space-based lidar winds.

Paper Details

Date Published: 5 January 2005
PDF: 12 pages
Proc. SPIE 5658, Applications with Weather Satellites II, (5 January 2005); doi: 10.1117/12.578323
Show Author Affiliations
Robert M. Atlas, NASA Goddard Space Flight Ctr. (United States)

Published in SPIE Proceedings Vol. 5658:
Applications with Weather Satellites II
W. Paul Menzel; Toshiki Iwasaki, Editor(s)

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