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Predictor Variables of the Maximum Radar Echo Activity on Convective Days

Gerard E. KlazuraOffice of Atmospheric Resources Management, Division of Research, Bureau of Reclamation, Denver, CO 80225

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Robert G. PritchardOffice of Atmospheric Resources Management, Division of Research, Bureau of Reclamation, Denver, CO 80225

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Abstract

Digital radar data and atmospheric sounding information were analyzed with the intention of beginning a search for atmospheric parameters which are easily attainable, are independent of whether or not clouds are seeded, and either individually or in concert with others can be used to predict the potential size, intensity and coverage of convective precipitation as estimated by radar. Stability indexes and upper level wind speeds seemed to be the dominant predictor variables.

Abstract

Digital radar data and atmospheric sounding information were analyzed with the intention of beginning a search for atmospheric parameters which are easily attainable, are independent of whether or not clouds are seeded, and either individually or in concert with others can be used to predict the potential size, intensity and coverage of convective precipitation as estimated by radar. Stability indexes and upper level wind speeds seemed to be the dominant predictor variables.

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