With conventional meteorological data as well as NCEP/NCAR reanalysis data,the processes of the typhoon 9711 and the typhoon Matsa(0509)are diagnosed and compared.

• 利用常规的探空和地面资料以及NCEP/NCAR全球再分析资料,对9711号台风温妮和0509号台风麦莎的变性过程和影响河北暴雨过程的湿位涡场进行了诊断分析。