For each candidate storm moved forward in the analysis, various peak duration time-frames (of typical key interest in hydrometeorology and flood control) are examined, and then accumulated precipitation depths were determined versus radar displayed precipitation coverage area. Hundreds of candidate storms were identified and examined for various attributes, resulting in reducing the total population of storms considered. The information corresponding to the candidate storms examined in this study includes Doppler radar data collected from several flood control agencies involved with arid hydrology and located in the southwest regions of the United States. ![]() In this way, by examining different peak precipitation durations and corresponding precipitation depths, a correlation to associated Radar data may be examined. This study approach assembles and identifies peak storm durations of typical key interest in storm hydrometeorology and storm runoff hydrology, and then synthesizes the data using GIS technology to estimate area-averaged precipitation accumulated depths versus watershed area coverage. ![]() An approach being applied in the current study is to use such data for development of correlations between Doppler Radar data and associated aerial extent, and rain gage data and algorithmic estimates of precipitation developed by the National Weather Service (“NWS”), associated with the Radar data. The use of Doppler Radar information for rainfall and storm analysis is an evolving technology and is subject to continuing research as to its applications in hydrometeorology and surface water hydrology.
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