State Water Resources Research Institute Program

Project ID: 2008FL216B
Title: Use of NEXRAD data to develop climatologically homogeneous rainfall areas for the South Florida Water Management District
Project Type: Research
Start Date: 3/01/2008
End Date: 2/28/2009
Congressional District: 2
Focus Categories: Climatological Processes, Hydrology, Models
Keywords: radar-derived precipitation, statistical analysis of precipitation
Principal Investigator: Fuelberg, Henry
Federal Funds: $ 5,000
Non-Federal Matching Funds: $ 17,000
Abstract: There is constant need for high quality rain gauge and NEXRAD rainfall data. NEXRAD rainfall data rely on raindrop reflectively which is affected by factors such as drop size distribution, signal reflection by other objects, and radar calibration. Small changes in drop size distribution can have a dramatic effect on the radar's rainfall estimate. For this reason radar-derived precipitation estimates are generally scaled to match values measured by rain gauges. The best of both measurement techniques is realized by using the rain gauge data to adjust the NEXRAD values. This study will investigate NEXRAD rainfall and rain gauge data and their use for the development of climatologically homogeneous areas.

Progress/Completion Report, PDF

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