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<br />002514 <br /> <br />f <br />. <br /> <br />California Department of Highway Patrol - Potential Impacts of <br />Weather Modification in the Sierra Nevada <br /> <br />Two reports from the California Highway Patrol evaluated potential <br />effects of the SCPP upon public transportation as related to the <br />Department's operations and public safety. The study covered <br />coll i si on frequenci es; emergency services, inconveni encec to hi gh- <br />way users, and particular impacts upon the Highway PatroL <br /> <br />Findings were based on surveys of statistical and general data as <br />well as personal interviews with personnel assigned to study areas. <br /> <br />I <br /> <br />The Highway Patrol said the influence of weather is usually only <br />incidentally reported since the fact that iicollision occurred' <br />during a snow storm does not,necessadly mean snow was the cause. <br />In addition, the great variability of highway,elevation common in <br />the study area provides a constant change in snow conditions on <br />the highway. Nevertheless; there seems,to be a positive'correla- <br />tion between storm intensity-snow accumulation and traffic <br />collision frequencies, particularly on winter weekends. The, <br />record does not disclose the degree of influence exerted by either <br />intensity or accumulation separately during storm periods., <br /> <br />The report also analyzes possible effects on traffic volumes, <br />operational costs, and emergency services.' This study, has created <br />an awareness'for the value of additional and more precise data to <br />measure the impacts of snow on traffic and human activity. A <br />second-generation study is under consideration by the Highway Patrol <br />and the Bureau. <br /> <br />I <br /> <br />Human Ecology Research Services - A Societal Assessment of the <br />Proposed Sierra Snowpack Augmentation Project <br /> <br />This report analyzes the responses and attitudes of individual <br />citizens and organizational representatives in the Sierra Nevada, <br />toward cloud seeding to increase high country snowpack in general <br />and the SCPP in particular. The citizen survey was funded by the <br />National Science Foundation (NSF). The organizational study was <br />funded in part by the NSF and in part ,by SCPP. The study is the <br />first systematic survey of residents of an orographic cloud seeding <br />project a rea. <br /> <br />The organizational study was designed to provide a descriptive <br />analysis of public response to the proposed orographic cloud <br />seeding project and to conclude with a set of recommendations <br />relating to public response and communication with the public. <br />In general, the citizen survey approach related to individual <br />variables and the organizational studY to systemic variables. <br /> <br />42 <br />