Assessing Results Weather Modification Programsby Don A. Griffith, North American Weather Consultant, Sandy, UT, USA,
Abstract: There is a continuing need to assess the effectiveness of operational precipitation augmentation weather modification programs. These assessments can serve a variety of needs including: 1) assurance to the client that the programs objectives are being met 2) the ability to establish benefit/cost studies based upon the results of such assessments, and 3) indications that program objectives are not being met leading to a reassessment of the project design for possible changes, improvements, or termination of the program. Three different types of assessments are discussed: 1) percentage normal analysis, 2) target-control analysis and 3) predictor analysis.
Subject Headings: Precipitation | Client relationships
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