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Convective cloud modification potential in Illinois compared with that for south Florida and deduced from soundings and cloud physics measurements
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1980
[PDF-186.17 MB]
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Description:The potential for enhancing rain output over central Illinois through modification of summertime convective clouds was investigated. Model predictions of cumulus growth, as well as direct, internal measurements of cloud physical characteristics, were used. Comparisons were made with similar studies for south Florida. The growth of unseeded and seeded clouds was predicted numerically with a one-dimensional cumulus model. The predicted height increase from seeding is the "seedability" of the modeled cloud. In Florida, seedability is correlated with actual increases in vertical growth and enhanced rain output of individual clouds, following seeding. For the Illinois environment, a climatology of seedabilities, derived from radiosonde data regularly gathered during 10 summers at Rantoul and Peoria, was assembled.
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Rights Information:CC0 Public Domain
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Compliance:Library
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