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Complex quality control for observation errors of rawinsonde temperatures and heights
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1996
[PDF-1.33 MB]
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Description:The Complex Quality Control of Heights and Temperature (CQCHT) program deals with two classes of rough errors--those that are hydrostatically detectable and those that are not. Those rough errors associated with small hydrostatic residuals are errors in temperature that entered the processing before the calculation of heights. These errors are referred to as observation errors. They may be due to instrument error, any other error preceding the computation of heights, or errors of representativeness. It is often impossible to distinguish between these sources of observation values. This note describes the part of CQCHT used in their diagnosis: the checks and Decision Making Algorithm (DMA). Examples are given illustrating many of the situations in which temperature and height observation errors occur. A comparison is made between the earlier, more modest quality control (qc) and the present version. It is suggested that the effectiveness of the present qc allows the abandonment of the (traditional) rejectlist at NCEP.
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Content Notes:William G. Collins, Lev S. Gandin.
"June 1996."
"This is an unreviewed manuscript, primarily intended for informal exchange of information among NCEP staff."
System requirements: Adobe Acrobat Reader.
Includes bibliographical references (page 14).
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Rights Information:Public Domain
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