气象Issue(12)：1481-1490,10.DOI:10.7519/j.issn.1000-0526.2014.12.006
利用局地经向环流对河南一次连阴雨过程的定量诊断
Quantitative Diagnosis on a Continuous Rain Event in Henan by Using Local Meridional Circulation Model
摘要
Abstract
Based on 2 .5°×2 .5°NCEP/NCAR reanalysis data and the improved local meridional circulation model,quantitative diagnosis for the mechanism was performed on a continuous autumn rain event in Henan Province from 5 to 19 September 2011,and evolution characteristics of the main physical factors for the continuous autumn rain event were proposed by means of lag correlation analysis of the upward branch of a local meridional circulation and precipitation over Henan.The results showed that,(1 )latent heat-ing,average meridional temperature advection,zonal advection of westerly momentum and average zonal temperature advection are the main physical factors which caused the continuous rainy weather to occur o-ver Henan Province in September 2011.(2)The latent heating and average zonal temperature advection are the main physical factors for the start of the rainy weather;zonal advection of average westerly momen-tum and average meridional temperature advection as well as average zonal temperature advection are the physical factors for the continuous rainy weather;latent heating,zonal advection of average westerly mo-mentum,average meridional temperature advection and average zonal temperature advection are also the main physical factors for the continous rainy weather ending.关键词
秋季连阴雨/局地经向环流/物理因子/诊断分析Key words
autumn continuous rainfall/local meridional circulation/physical factors/diagnostic analysis分类
天文与地球科学引用本文复制引用
孔海江..利用局地经向环流对河南一次连阴雨过程的定量诊断[J].气象,2014,(12):1481-1490,10.基金项目
中国气象局预报员专项（CMAYBY2012-035）、公益性行业（气象）科研专项（GYHY201006041）和中国气象局农业气象保障与应用技术重点开放实验室项目（Z201003）共同资助 （）
