Improvements in the GFDL Hurricane Prediction System

作者: Yoshio Kurihara , Morris A. Bender , Robert E. Tuleya , Rebecca J. Ross

DOI: 10.1175/1520-0493(1995)123<2791:IITGHP>2.0.CO;2

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摘要: Abstract The hurricane model initialization scheme developed at GFDL was modified to improve the representation of environmental fields in initial condition. filter domain defining extent tropical cyclone global analysis is determined from distribution low-level disturbance winds. shape generally not circular order minimize removal important nonhurricane features near storm region. An optimum interpolation technique used determine within domain. Outside domain, are identical original analysis. generation process realistic and model-compatible vortex has also undergone some minor modifications so that reasonable vortices produced for various data conditions. upgraded prediction system tested a number cases compared against previous version yielded an overall improvement forecasts s...

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