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Cloud-encounter and particle-concentration variabilities from GASP dataSummary statistics, tabulations, and variability studies are presented for cloud encounter and particle concentration data taken as part of the NASA global atmospheric sampling program. Cloud encounter was experienced in about 15 percent of the data samples; however, the percentage varies with season, latitude, and altitude (particularly distance from the tropopause). In agreement with classical storm models, the data show more clouds in the upper troposphere in anticyclones than in cyclones. The concentration of particles with a diameter greater than 3 micron also varies with time and location, depending primarily on the horizontal extent of cloudiness. Some examples of the application of the statistical data to the estimation of the frequency of cloud encounter and laminar flow loss to be expected on long range airline routes are also presented.
Document ID
19820007804
Acquisition Source
Legacy CDMS
Document Type
Technical Publication (TP)
Authors
Nastrom, G. D.
(Control Data Corp. Minneapolis, United States)
Holdeman, J. D.
(NASA Lewis Research Center Cleveland, United States)
Davis, R. E.
(NASA Langley Research Center Hampton, VA, United States)
Date Acquired
September 4, 2013
Publication Date
December 1, 1981
Subject Category
Meteorology And Climatology
Report/Patent Number
NASA-TP-1886
L-14483
Accession Number
82N15677
Funding Number(s)
PROJECT: RTOP 534-01-13-06
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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