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This study examines the effects of cumulus parameterizations and microphysics schemes on the track forecast of typhoon Nabi using the Weather Research Forecast model.The study found that the effects of cumulus parameterizations on typhoon track forecast were comparatively strong and the typhoon track forecast of Kain-Fritsch (KF)was superior to that of Betts-Miller (BM).When KF was selected, the simulated results would be improved if microphysics schemes were selected than otherwise.The results from Ferrier, WSM6, and Lin were very close to those in the best track.KF performed well with the simulations of the western extension and eastern contraction changes of a North Pacific high as well as the distribution and strength of the typhoon wind field.