Some possible effects of seeding convective clouds

TitleSome possible effects of seeding convective clouds
Publication TypeConference Proceedings
Year of Conference1957
AuthorsDennis, A. S.
Conference Name25th Annual Western Snow Conference
Series TitleProceedings of the 25th Annual Western Snow Conference
Date PublishedApril 1957
PublisherWestern Snow Conference
Conference LocationSanta Barbara, California
KeywordsCloud icing properties, Effectiveness of weather modification, Weather modification

In order to determine possible effects of cloud seeding, the life history of a typical shower must be considered. This paper discusses the formation of convective clouds and the formation of solid and liquid precipitation within them. It is pointed out that if the cloud forms are seeded with silver iodide, the precipitation process stars earlier, and that the seeding of convective clouds with silver iodide reduces the intensity of hail storms and can often eliminate hail entirely. It is still uncertain whether or not continuous seeding by ground generators can increase the rainfall at the ground. Selective cloud seeding requires high flying aircraft and a high degree of skill in judging the condition in the cumulus clouds. However, there is some evidence that seeding convective storms reduces their electrical activity.