Quasi steady state equations and results of calculations of icing and melting conditions as well as on the heat and mass exchange of spherical and spheroidal hailstones are presented covering the whole range of height of a model cloud, starting from the ground level and characterized by a pressure-temperature-height relationship. The results show, by coincidence, that the transfer conditions, as well as the deposit temperature, the sponginess or the melting rate, are functions only of the height above the ground level, the local content of water substance (water vapor or liquid water content), and the major diameter of the hailstones. In particular, it was found that the axis ratio has no influence upon these factors. If a distribution of the water content with height is assumed, the icing or melting conditions as well as the ratios of the transfer rates are, at any height level, functions only of the major diameter of the (spheroidal) hailstones.
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List et al. (1967) studied this question.