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Complex quality control of Rawinsonde heights and temperatures at the National Meteorological Center: Quality Control of Mandatory Level Data
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1998
[PDF-3.26 MB]
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Description:The Complex Quality Control of rawinsonde data on mandatory level Heights and Temperatures (CQCHT), consisting of the hydrostatic check, the baseline check, statistical checks, and an advanced Decision Making Algorithm (DMA), was designed at the National Meteorological Center in Washington and implemented into operational quality control system in 1991. The principles of the operational quality control in general and of the CQCHT approach in particular are discussed in the article. The DMA reaction to errors of various origin is described in detail and illustrated by numerous examples. Some statistics on the CQCHT performance are presented and compared with those for the previously applied CHQC algorithm (Collins, Gandin, 1990).
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Content Notes:William G. Collins, Lev S. Gandin.
"June 1994 (as Office Note MAY 1998)."
"This is an unreviewed manuscript, primarily intended for informal exchange of information among NCEP staff members."
"This paper was originally written for submission to one of the AMS journals, but it was realized that it was much too long for that purpose. Much time lapsed and much thought, primarily by Lev, went into how to rewrite the paper to make it publishable. In the end, Lev became ill and no paper was produced. Also, in the interim, the complex quality control code was completely rewritten, and so this paper became grossly out of date. However, it is felt that this paper is valuable to make available to those interested, because it contains useful historical information and also contains much of the views of Lev's, generally regarding quality control. (Note also that at the time, NCEP did not exist.)"--Note, page 1.
System requirements: Adobe Acrobat Reader.
Includes bibliographical information (pages 32-33).
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