Abstract: A model for estimating the probability of obtaining a cloud-free field-of-view as a function of ground-observer-reported total sky cover is presented for earth-to-space viewing applications. The development of the model ...

Abstract: A climatology of high-altitude cloud encounters using data obtained between 1975 and 1979 from commercial airliners participating in the Global Atmospheric Sampling Program (GASP) is presented. The statistics are based on ...