Document Type



Master of Science (MS)



First Advisor's Name

Haiyan Jiang

First Advisor's Committee Title

Committee Chair

Second Advisor's Name

Hugh Willoughby

Third Advisor's Name

Ping Zhu


Tropical Cyclones, Rainfall, Remote Sensing, Hurricanes, Flooding, Hydrology, Landfall, TRMM, Precipitation Radar, Convection

Date of Defense



Tropical Rainfall Measuring Mission (TRMM) rainfall retrieval algorithms are evaluated in tropical cyclones (TCs). Differences between the Precipitation Radar (PR) and TRMM Microwave Imager (TMI) retrievals are found to be related to the storm region (inner core vs. rainbands) and the convective nature of the precipitation as measured by radar reflectivity and ice scattering signature. In landfalling TCs, the algorithms perform differently depending on whether the rainfall is located over ocean, land, or coastal surfaces. Various statistical techniques are applied to quantify these differences and identify the discrepancies in rainfall detection and intensity. Ground validation is accomplished by comparing the landfalling storms over the Southeast US to the NEXRAD Multisensor Precipitation Estimates (MPE) Stage-IV product. Numerous recommendations are given to algorithm users and developers for applying and interpreting these algorithms in areas of heavy and widespread tropical rainfall such as tropical cyclones.





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