台风莫拉克(0908)登陆过程中结构变化的分析
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摘要
本文基于高分辨的数值模拟结果对莫拉克的发展、登陆过程诊断分析。结果表明:台风在登陆之后眼墙受到破坏主要是湿暖空气从北部低层被气旋式环流带入眼区西部,受地形影响抬升与干空气混合,登陆之后位涡的环状结构受到破坏,部分眼墙有明显位涡混合。利用轨迹示踪粒子在登陆期间物理量的变化表明,在眼墙不连续处,有高熵的气块向眼墙混合,。
引文
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Montgomery,M.T.,and R.J.Kallenbach,1997:A theory for vortex Rossby-waves and its application to spiral bands and intensity changes in hurricanes.Quart.J.Roy.Meteor.Soc.,123,435-465
QING-HONG ZHANG,SHOU-JUN CHEN,YING-HWA KUO,KAI-HON LAU and RICHARD A.ANTHESNumerical Study of a Typhoon with a Large Eye:Model Simulation and Verification
Schubert,Wayne H.,and co-authors,1999:Polygonal eyewalls,asymmetric eye contraction,and potential vorticity mixing in hurricanes.J.Atmos.Sci.,56,1197-1223.
Li Ying,et al.,2005:Numerical study on impacts of boundary layer fluxes over wetland on sustention and rainfall of landfalling tropical cyclone,Acta Meteorologica Sinica,63(5),683-693
Li Q,Duan,Yu H,et al.2008.A High-Resolution Simulation of Typhoon Rananim(2004)with MM5.Part I:Model Verification,Inner-Core Shear,and Asymmetric Convection,2008:Mon Wea Rev.
Wang,Y.,2002a:Vortex Rossby waves in a numerically simulated tropical cyclone.Part I:Overall structure,potential vorticity,and kinetic energy budgets.J.Atmos.Sci.,59,1213-1238.
――,2002b:Vortex Rossby waves in a numerically simulated tropical cyclone.Part II:The role in tropical cyclone structure and intensity changes.J.Atmos.Sci.,59,1239-1262.
Willoughby,H.E.,J.A.Clos,and M.G.Shoreibah,1982:Concentric eye walls,secondary wind maxima,and the evolution of the hurricane vortex.J.Atmos.Sci.,39,395-411.
陈联寿,罗哲贤,李英.登陆热带气旋研究的进展,2004,气象学报,62(5):541-549.
陈联寿,孟智勇.我国热带气旋研究十年进展.2001,大气科学.25(3):420-432.
伍荣生等,2004:热带气旋研究中的几个动力学问题。第十三届全国热带气旋科学讨论会特邀报告。
曾智华,陈伯民,高泉平.盛夏“城市热岛”对上海“01.8.5”特大暴雨影响的数值模拟.气象学报,2002,60(增刊):58-64
张建海,庞盛荣.不同初始场对台风Khanun模拟效果的影响及其暴雨过程的螺旋度分析.海洋通报,2007,26(5):27234.
张立凤,施连俊,2004:β中尺度扰动的不稳定结构.大气科学,28(6),931-940.
张庆红,2004:Winnie台风双眼壁的相互作用.第十三届全国热带气旋科学讨论会。
Brown J,and Neilon J R,1961:Case studies of numerical wind analysis.Mon.Wea.Rev.,89,83-90.
Buechler D E,and Fuelberg H E,1986:Budgets of divergent and rotational kinetic energy during two periods of intense convection.Mon.Wea.Rev.,114,95-114.
Rogers,R.F.,S.S.Chen,J.E.Tenerelli,and H.E.Willoughby,2003:A numerical study of the impact of vertical shear on the distribution of rainfall in Hurricane Bonnie(1998).Mon.Wea.Rev.,131,1577-1599.
--,M.L.Black,S.S.Chen,and R.A.Black,2007:An evaluation of microphysics fields from mesoscale model simulations of tropical cyclones.Part I:Comparisons with observations.J.Atmos.Sci.,64,1811-1834
Wallace,J.M.,and P.V.Hobbs,2006:Atmospheric Science:An Introductory Survey.2nd ed.Academic Press,483 pp.
Montgomery,M.T.,and R.J.Kallenbach,1997:A theory for vortex Rossby-waves and its application to spiral bands and intensity changes in hurricanes.Quart.J.Roy.Meteor.Soc.,123,435-465
QING-HONG ZHANG,SHOU-JUN CHEN,YING-HWA KUO,KAI-HON LAU and RICHARD A.ANTHESNumerical Study of a Typhoon with a Large Eye:Model Simulation and Verification
Schubert,Wayne H.,and co-authors,1999:Polygonal eyewalls,asymmetric eye contraction,and potential vorticity mixing in hurricanes.J.Atmos.Sci.,56,1197-1223.
Li Ying,et al.,2005:Numerical study on impacts of boundary layer fluxes over wetland on sustention and rainfall of landfalling tropical cyclone,Acta Meteorologica Sinica,63(5),683-693
Li Q,Duan,Yu H,et al.2008.A High-Resolution Simulation of Typhoon Rananim(2004)with MM5.Part I:Model Verification,Inner-Core Shear,and Asymmetric Convection,2008:Mon Wea Rev.
Wang,Y.,2002a:Vortex Rossby waves in a numerically simulated tropical cyclone.Part I:Overall structure,potential vorticity,and kinetic energy budgets.J.Atmos.Sci.,59,1213-1238.
――,2002b:Vortex Rossby waves in a numerically simulated tropical cyclone.Part II:The role in tropical cyclone structure and intensity changes.J.Atmos.Sci.,59,1239-1262.
Willoughby,H.E.,J.A.Clos,and M.G.Shoreibah,1982:Concentric eye walls,secondary wind maxima,and the evolution of the hurricane vortex.J.Atmos.Sci.,39,395-411.
陈联寿,罗哲贤,李英.登陆热带气旋研究的进展,2004,气象学报,62(5):541-549.
陈联寿,孟智勇.我国热带气旋研究十年进展.2001,大气科学.25(3):420-432.
伍荣生等,2004:热带气旋研究中的几个动力学问题。第十三届全国热带气旋科学讨论会特邀报告。
曾智华,陈伯民,高泉平.盛夏“城市热岛”对上海“01.8.5”特大暴雨影响的数值模拟.气象学报,2002,60(增刊):58-64
张建海,庞盛荣.不同初始场对台风Khanun模拟效果的影响及其暴雨过程的螺旋度分析.海洋通报,2007,26(5):27234.
张立凤,施连俊,2004:β中尺度扰动的不稳定结构.大气科学,28(6),931-940.
张庆红,2004:Winnie台风双眼壁的相互作用.第十三届全国热带气旋科学讨论会。
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