An examination of the rainfall distribution over the target area of the Colorado River Municipal Water District weather modification program

Although the application of weather modification technology has become increasingly widespread in this country over the past ten to 15 years, the effects of cloud seeding remain a source of controversy. The arguments for and against weather modification have been as stormy as the necessary atmospheric conditions themselves. The findings from one fairly recent survey of weather modification programs in the United States indicate that precipitation from some types of cloud systems can be increased if the systems are treated properly. However, many questions remain unanswered. Also of great concern is the matter of what effect seeding of clouds in one area may have on modifying precipitation in areas downwind……