摘要
臺灣夏季常受到颱風侵襲，因中央山脈地勢高聳，地形因素使颱風路徑預報困難。本研究以蘇迪勒颱風(2015)進行個案研究，利用WRF模式針對蘇迪勒颱風進行數值模擬實驗，同時也使用Nguyen and Chen(2011)的颱風初始化模組(簡稱NC2011)進行模擬測試，改善颱風初始結構偏弱的狀態，並針對模擬結果進行分析。
研究結果指出NC2011方法可以加強颱風初始強度，在模式初期不論是颱風(CTL組)的水平結構和垂直結構均較未經過初始化的颱風(NCI組)完整，使颱風整體結構更接近真實颱風，且渦漩結構在海上可以維持一段時間。
本研究也針對地形高度進行敏感度測試，在颱風結構的方面，發現當地形越高，颱風環流受到破壞的程度較嚴重，出海後的中心氣壓也較高；而地形越低，颱風環流受到破壞的程度較小，出海後的中心氣壓相對較低。在颱風路徑方面，當颱風強度越強、結構越深，駛流對路徑造成的效應大於通道效應，使颱風在登陸後路徑南偏；當地形加高，通道效應大於駛流對路徑造成的效應，使颱風在登陸前路徑南偏。

Barker, D. M., W. Huang, Y.-R. Guo, and Q. N. Xiao, 2004: A Three-Dimensional (3DVAR) Data Assimilation System For Use With MM5: Implementation and Initial Results. Mon. Wea. Rev., 132, 897–914.
Bender, M. A., R. J. Ross, R. E. Tuleya, and Y. Kurihara, 1993: Improvements in Tropical Cyclone Track and Intensity Forecasts Using the GFDL Initialization System. Mon. Wea. Rev., 121, 2046-2061.
Brand, S., and J. W. Blelloch, 1974:Changes in the characteristics of typhoons creossing the island of Taiwan. Mon. Wea. Rev., 102, 708-713.
Chien, F.-C.and H.-C. Kuo 2011: On extreme rainfall of Typhoon Morakot(2009). J. Geophys. Res. Atmos. 116
Davidson, N. E., and H. C. Weber, 2000: The BMRC High- Resolution Tropical Cyclone Prediction System: TC- LAPS. Mon. Wea. Rev., 128, 1245.
Fang, X., Y.-H. Kuo, and A. Wang, 2011: The impacts of Taiwan topography on the predictability of Typhoon Morakot’s record-breaking rainfall: A high-resolution ensemble simulation. Wea. Forecasting, 26, 613-633.
Galarneau, T. J., Bosart, L. F. and Schumacher, R. S., 2010:Predecessor rain events ahead of tropical cyclones. Mon. Wea. Rev.,138, 3272-3297
Jian, G.-J., and C.-C., Wu, 2008:A numerical study of the track deflection of super-typhoon Haitang(2005) prior to its landfall in Taiwan. Mon. Wea. Rev., 136, 598-615.
Kwon, I.-H., and H.-B. Cheong, 2010: Tropical Cyclone Initialization with a Spherical High-Order Filter and an Idealized Three-Dimensional Bogus Vortex. Mon. Wea. Rev., 138, 1344-1367.
Leslie, L. M., and G. J. Holland, 1995: On the Bogussing of Tropical Cyclones in Numerical Models: A Comparison of Vortex Profiles. Meteor. Atmos. Phys., 56, 101-110.
Lin, Y.-L.,1993: Orographic effects on airflow and mesoscale weather system over Taiwan. Terr. Atmos. Oceanic Sci., 4, 381-420.
Liou, C.-S., and K. Sashegyi, 2012: On the initialization of tropical cyclones with a three dimensional variational analysis. Nat Hazards, 63, 1375-1391
Nguyen, H. V., and Y.-L. Chen, 2011: High-Resolution Initialization and Simulations of Typhoon Morakot (2009). Mon. Wea. Rev., 139, 1463-1491.
Nguyen, H. V., and Y.-L. Chen, 2014: On the Spin-up Process of a Typhoon Vortex in a Tropical Cyclone Initialization Scheme and Its Impacts on the Intensity Simulations. Mon. Wea. Rev.(In Review).
Pu, Z.-X., and S. A. Braun, 2001: Evaluation of Bogus Vortex Techniques with Four-Dimensional Variational Data Assimilation. Mon. Wea. Rev., 129, 2023-2039.
Tang CK, Chan JC. 2013. Idealized simulations of the effect of Taiwan and Philippines topographies on tropical cyclone tracks. Q. J. R. Meteorol. Soc.140: 1578–1589, doi: 10.1002/qj.2240.

Wang, C.-C., K. Hung-Chi, C. Yu-Han, H. Hsiao-Ling, C. Chao-Hsuan, and K. Tsuboki, 2012: Effects of Asymmetric Latent Heating on Typhoon Movement Crossing Taiwan: The Case of Morakot (2009) with Extreme Rainfall. J. Atmos. Sci., 69, 3172-3196.
Wu, C.-C., 2001:Numerical simulation of typhoon Gladys(1994) and its interaction with Taiwan terrain using the GFDL hurricane model. Mon. Wea. Rev., 129, 1533-1549.
Wu, C.-C., C. Kun-Hsuan, W. Yuqing, and K. Ying-Hwa, 2006: Tropical Cyclone Initialization and Prediction Based on Four-Dimensional Variational Data Assimilation. J. Atmos. Sci., 63, 2383-2395.
Wu, C.-C., and Y.-H. Kuo, 1999: Typhoons affecting Taiwan: current understanding and future challenges. Bull. Amer. Meteor. Soc.,80,67-80
Wu, L.,B. Wang, and S. Geng, 2005:Growing influence of Typhoon on East Asia.Geophys. Res. Lett., Vol 32, L18703, doi: 10.1029/2005GL022937.
Xiao, Q., Y.-H. Kuo, Y. Zhang, D. M. Barker, and D.-J. Won, 2006: A Tropical Cyclone Bogus Data Assimilation Scheme in the MM5 3D-Var System and Numerical Experiments with Typhoon Rusa (2002) Near Landfall. J. Meteor. Soc. Japan, 84, 671-689.
Zhang, S., T. Li, X. Ge, M. Peng, and N. Pan, 2011: A 3DVAR-Based Dynamical Initialization Scheme for Tropical Cyclone Predictions. Wea. Forecasting, 27, 473-483.
Zou, X., and Q. Xiao, 2000: Studies on the initialization and simulation of a mature hurricane using a variational bogus data assimilation scheme. J. Atmos. Sci., 57, 836–860.