气象2016，Vol.42Issue(11)：1315-1324,10.DOI:10.7519/j.issn.1000-0526.2016.11.003
多平台热带气旋表面风场资料在台风结构分析中的应用
Applications of MTCSWA Data to the Characteristic Analysis of Tropical Cyclone Structure
摘要
Abstract
Based on Multiplatform Tropical Cyclone Surface Wind Analysis (MTCSWA )data from NOAA/NES-DIS during 2007-2014,statistic characteristics of 210 named TCs’structures in the North Western Pacific and the South China Sea are analyzed.Compared with the maximum wind speed (VMAX )from CMA-best tracks,theVMAX from MTCSWA is 10%-15 %smaller on average.Overestimation,especially for weaker TCs,is observed.Sta-tistical relationship is provided between radius of maximum wind speed (RMAX )andVMAX ,and the density distribu-tions of RMAX in different regions are calculated.For those TCs stronger than STS,the density distributions show no regional differences while the less intensified groups show obvious structure distributions in the North Western Pacific,the Northern and Eastern China Seas and the South China Sea.Especially,in the South China Sea,the distribution difference gets much broadly from 50 to 100 km.By analyzing the distributions of four quadrants,the eastern parts ofR34 is comparably larger than that in western parts,but there is no such a character in bothR50 and R6 5 .From the case study of Super-TY Bolavan (1 2 1 5 ),an eye-wall replacement and inner-core structure change can be observed.During that ERC period,the distance between inner and outer eye-wall (R2-R1 )is reduced a-long withV1 ’s decreasing andV2 ’s increasing.Meanwhile the original intensity shows temporary fluctuation.关键词
MTCSWA/最大风速半径/结构特征/眼墙置换/客观估计Key words
Multiplatform Tropical Cyclone Surface Wind Analysis (MTCSWA)/RMAX/structure charac-teristics/eye-wall replacement/objective estimation分类
天文与地球科学引用本文复制引用
向纯怡,吴立广,田伟,刘青元..多平台热带气旋表面风场资料在台风结构分析中的应用[J].气象,2016,42(11):1315-1324,10.基金项目
国家重点基础研究发展计划（973计划）（2013CB430103和2015CB452803）及国家气象中心预报员专项（Y201405）共同资助 （）
