Observing System Simulation Experiments to evaluate the potential impact of proposed observing systems on hurricane prediction

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Monday, 3 February 2014: 1:30 PM
Room C203 (The Georgia World Congress Center )
Robert Atlas, NOAA/AOML, Miami, FL; and S. J. Majumdar, T. Vukicevic, A. Aksoy, D. S. Nolan, and L. Bucci

Observing System Simulation Experiments (OSSEs) are an important tool for evaluating the potential impact of proposed new observing systems, as well as for evaluating trade-offs in observing system design, and in developing and assessing improved methodology for assimilating new observations. A series of OSSEs are being currently being conducted to evaluate the impact of the Cyclone Global Navigation System (CYGNSS) and several other proposed space-based observing systems on hurricane track and intensity forecasting. For these OSSEs, the nature run is a 13 day integration of the WRF ARW model at 1km resolution, embedded within an ECMWF T511 global nature run. The HWRF model at coaser resolution is used for data assimilation and forecasting. At the conference, we will report on the progress of these OSSEs.