8909(HOPE)台风环流结构的变化和突发性暴雨的关系
THE RELATIONSHIP BETWEEN THE VARIATION O CIRCULATION STRUCTURE AND THE ABRUPT HEAVY RAINS OF TYPHOON 8909 (HOPE)
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摘要: 研究了8909(Hope)台风登陆后减弱为低压的过程中引起突发性暴雨的因素.结果表明:台风涡旋中心垂直轴线向南倾斜加大,上下层风的垂直切变加大,不稳定能量增强;在低空暖式切变辐合上升运动的激发下,对流和中大小尺度扰动得到发展,导致远离低压中心的闽北浙南突发性大暴雨.Abstract: In this paper, a course of depression weakened after Typhoon 8909 made landfall was studied. The variation of the cyclone's vertical circulation structure, led to the formaion of the abrupt heavy rainfall on northern Fujian and southern Zejiang, where is far away from the cyclonecenter.
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Key words:
- Typhoon /
- Structure /
- Heavy rain
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