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<br />626 <br /> <br />JOURNAL OF APPLIED METEOROLOGY <br /> <br />VOLUME 19 <br /> <br />seeding. Additional studies with the corrected data <br />set have been initiated to redefine the optimum <br />window bounds by allowing the seed/no-seed pre- <br />cipitation ratios, tempered by physical plausibility, <br />to set the limits. Preliminary results indicate that <br />the physical stratification criteria are still meaning- <br />ful and that the distinction between positive and <br />negative seeding regions is clearer. Moreover, <br />window boundaries are now more typical of the <br />ensemble of projects studied and are not dominated <br />by the Climax data. <br /> <br />In light of the problems and uncertainties that are <br />associated with the multiplicity of statistical analy- <br />ses, especially a posteriori analyses, one must be <br />extremely cautious about the interpretation of re- <br />sults from this type of study. At best, one can hope to <br />gain insight as to future courses offield investigation. <br /> <br />REFERENCE <br /> <br />Vardiman, L., and J. A. Moore, 1978: Generalized criteria for <br />seeding winter orographic clouds. J. Appl. Meteor., 17, <br />1769-1777. <br /> <br />