NDLI: ASSIMILATION EXPERIMENTS AT NCEP DESIGNED TO TEST QUALITY CONTROL PROCEDURES AND EFFECTIVE SCALE RESOLUTIONS FOR QUIKSCAT / SEAWINDS DATA Yu, T.-W.,* and W. H. Gemmill Environmental Modeling Center, National Centers for Environmental Prediction

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ASSIMILATION EXPERIMENTS AT NCEP DESIGNED TO TEST QUALITY CONTROL PROCEDURES AND EFFECTIVE SCALE RESOLUTIONS FOR QUIKSCAT / SEAWINDS DATA Yu, T.-W.,* and W. H. Gemmill Environmental Modeling Center, National Centers for Environmental Prediction

Content Provider	Semantic Scholar
Author	Gemmill, William H.
Copyright Year	2003
Abstract	Since January 15, 2002, QuikSCAT wind data have been operationally used in the global data assimilation system (GDAS) at the National Centers for Environmental Prediction (NCEP). However, there remain at least two outstanding issues on the use of QuikSCAT wind data in operational numerical weather prediction. The first issue is related to the rain contamination problem in QuikSCAT wind data, and therefore design of a good quality control procedure for the data becomes critically important. This paper investigates two quality control procedures especially designed for QuikSCAT winds. The second issue concerns with what scale resolutions of QuikSCAT wind data are the most effective and compatible to the NCEP atmospheric analysis and data assimilation system. This is an important issue because NCEP global forecast model and data assimilation systems are undergoing numerous improvements since early 2002. Mesoscale features inherent in the QuikSCAT wind data, which cannot be resolved in the NCEP global data assimilation system in 2002 may be resolvable in the current operational system. This paper presents some results of several global data assimilation and forecast experiments designed to investigate these two outstanding issues on the operational use of QuikSCAT wind data at NCEP.
File Format	PDF HTM / HTML
Alternate Webpage(s)	https://ams.confex.com/ams/pdfpapers/68773.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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