Science Direct |  MESOSCALE METEOROLOGY  |  Hail and Hailstorms  |  C. Knight, … H.E. Brooks, in Encyclopedia of Atmospheric Sciences (Second Edition), 2015

“Hail suppression by seeding clouds with artificial ice nuclei has been practiced in many parts of the world for several decades. It is still widespread, although it is controversial and there has been no definitive demonstration of positive effects.”

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