Three Rainfall Augmentation Programs in Texas

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by Don A. Griffith, North American Weather Consultants, Salt Lake City, UT, USA,

Document Type: Proceeding Paper

Part of: Irrigation Systems for the 21st Century:

Abstract: Three rainfall augmentation programs were initiated during the summer of 1985 in response to drought conditions affecting Texas in 1984. These programs were supported by two municipalities (San Angelo and Corpus Christi) and one water district (Edwards Underground Water District of San Antonio). Suitable clouds were seeded for dynamic response according to FACE techniques. Two of the programs (San Angelo and Edwards) were operated during the summer of 1986. An assessment of the potential effectiveness of the San Angelo project indicated approximately a 26 percent increase in the target based on a target/control analysis for the two seeded seasons. A similar assessment for the Edwards project indicated approximately a 5 percent increase for the 1986 seeded season.

Subject Headings: Rainfall | Water resources | Resource management | Rain water | Droughts | Seasonal variations | North America | Texas | United States | San Antonio

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