14A.5 Design of Multiple Moving Nests in Hurricane Weather Research and Forecasting Modeling System

Friday, 20 April 2012: 9:00 AM
Champions DE (Sawgrass Marriott)
Xuejin Zhang, NOAA/AOML/HRD, Miami, FL; and S. Gopalakrishnan and S. Trahan

Hurricane is an intense atmospheric circulation characterized by strong multi-scale interactions between convective clouds, on the order of a few kilometers, and the large scale environment, on the order of several hundreds to thousands of kilometers. Hurricane Weather Research and Forecasting Modeling system (HWRF), with a Non-hydrostatic Mesoscale Model (NMM) dynamic core under the WRF model software framework, supports moving, one- or two-way interactive nests. This study presents the design of the multiple moving nests in HWRF and the nest moving algorithm. Some retrospective and real-time forecast results based on the multiple moving nests HWRF are discussed in this study.
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