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Results of recent OSSEs to evaluate the potential impact of lidar winds

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. OSSEs conducted at NASA GSFC and elsewhere have indicated significant potential for space-based lidar winds to improve numerical weather prediction. In this paper we summarize OSSE methodology and earlier OSSE results, and present methodology and new results from a Quick OSSE designed to assess the potential impact of lidar winds on the predicted track of a specific hurricane.