The results of an analysis of cloud encounter measurements taken at aircraft flight altitudes as part of the Global Atmospheric Sampling Program are summarized. The results can be used in estimating the probability of cloud encounter and in assessing the economic feasibility of laminar flow control aircraft along particular routes. The data presented clearly show the tropical circulation and its seasonal migration; characteristics of the mid-latitude regime, such as the large-scale traveling cyclones in the winter and increased convective activity in the summer, can be isolated in the data. The cloud encounter statistics are shown to be consistent with the mid-latitude cyclone model. A model for TIC (time-in-clouds), a cloud encounter statistic, is presented for several common airline routes.


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    Title :

    Cloud encounter statistics in the 28.5-43.5 KFT altitude region from four years of GASP observations


    Contributors:

    Conference:

    Conference on Aerospace and Aeronautical Meteorology ; 1983 ; Omaha, NE


    Publication date :

    1983-01-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English




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