【作者】 邢建忠； 张兴强；

【Author】 XING Jian-zhong ZHANG Xing-qiang Taian Meteorological Bureau,Taian 271000,China

【机构】 山东省泰安市气象局；

【摘要】 用25点平滑算子对1999年8月11日受台风减弱成的低气压环流和西风带弱冷空气共同影响所造成的山东境内特大暴雨过程进行了滤波分析。找出了造成此次特大暴雨的中小尺度环流系统。从非纬向高空急流的角度、不同尺度系统相互作用的角度对此次特大暴雨过程产生机制进行了初步的探讨。更多还原

【Abstract】 In terms of 25-dot filtering operator, filter analyse were carried out for a extremely rainstorm result from interaction of low press circulation of typhoon and westerly trough on 11th August,1999 in Shandong province. Found the middle and small scale circulation resulted in this extremely rainstorm. From point of view of non-zonal high level jet streak, interaction of vary scale system and so on, mechanism of this extremely rainstorm were discussed.更多还原