登陆广东热带气旋特征及其与副热带高压的关系  

Characteristics of Tropical Cyclones Landed in Guangdong and Its Relationship with Subtropical High

作　　者：曾琮[1] 易爱民[1] 李晓娟[1] 梁巧倩[1] 汪瑛[1] 谢健标[1] 

机构地区：[1]广州中心气象台,广州510080

出　　处：《气象科技》2007年第1期36-39,共4页Meteorological Science and Technology

基　　金：广东省科技厅科技推广计划项目"新一代天气预报业务流程系统的推广应用"资助

摘　　要：2004年登陆广东的热带气旋只有2个，个数明显偏少，粤西无热带气旋登陆；登陆广东的初台偏迟，终台结束早，登陆时间集中于7月；热带气旋移速快，强度弱（为热带风暴），对广东影响利大于弊。对1951～2004年7～9月登陆广东的热带气旋进行统计分析，发现各月登陆广东的热带气旋次数差异较大，最多时一个月有5个，最少时没有。登陆广东的热带气旋个数与西北太平洋副热带高压位置、强度有密切关系，可以将有利于和不利于热带气旋登陆广东的副热带高压各分为3种环流形势。The number of tropical cyclones （TCs） landed in Guangdong in 2004 is less than those of normal years, and there were no tropical cyclone landed in the western Guangdong. The first landing day is later, and the last landing day is earlier than normal. The intensities of these tropical cyclones are weaker on the whole, so that their benefits is greater than damage for Guangdong Province. The characteristics of the tropical cyclones landed in Guangdong in July, August and September during 1951 -2004 are analyzed, and the result shows that the number of landing TCs is related to the position and intensity of the Northwest Pacific subtropical high. Three favorable and three unfavorable circulation patterns of the subtropical high for TC landing are identified.

关 键 词：广东 热带气旋 副热带高压 

分 类 号：P444[天文地球—大气科学及气象学]