Abstract: Eastern Transvaal summer rainfall from 1951 to 1982 is examined for possible changes coincident with the operational hail suppression program, which ran from 1972 to 1981. Rough exploratory methods are used initially and ...

Abstract: tract

Abstract: The experimental design, analyses, and results of the first Nelspruit randomized cloud seeding experiment are described. The experiment ran for three years, commencing in October 1984, and involved the on-top seeding of ...

Abstract: A new method of seeding convective clouds for the purpose of augmenting rainfall is being developed in South Africa. Flares that produce small salt particles (0.5-?m mean diameter) are attached to the trailing edge of the ...