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| “海葵”台风路径及其强度分析 | |
| 引用本文： | 廖廓,蔡晓禾,曾瑾瑜.“海葵”台风路径及其强度分析[J].闽江学院学报,2013,34(2):128-131. |
| 作者姓名： | 廖廓 蔡晓禾 曾瑾瑜 |
| 作者单位： | 1. 宁德市气象局,福建宁德,352100 2. 闽江学院地理科学系,福建福州,350121 3. 福建省气象台,福建福州,350001 |
| 摘 要： | ＂海葵＂是在高纬生成的台风,大部分时间活跃在北纬25度以上,在北部副热带高压环流、大陆高压环流引导和自身内力作用下,＂海葵＂台风路径较为稳定,一路沿偏西方向前进.本次过程中,中纬度西风槽和冷空气位置偏北,没有冷空气侵入＂海葵＂台风环流,因此中纬度系统其实不利于＂海葵＂台风生命史的延长.＂海葵＂台风登陆后减弱缓慢,原因之一是没有受到台湾地形的阻挡,另一重要原因是登陆后有源源不断的水汽输送.此外,由于台风登陆前高层由辐合转为辐散,其抽吸作用也有利于台风强度的维持. |
| 关 键 词： | 台风 副高 西行 水汽 |
Analysis of typhoon HAIKUI(1211)'s track and intensity |
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| LIAO Kuo , CAI Xiao-he , ZENG Jin-yu.Analysis of typhoon HAIKUI(1211)'s track and intensity[J].Journal of Minjiang University,2013,34(2):128-131. | |
| Authors: | LIAO Kuo CAI Xiao-he ZENG Jin-yu |
| Institution: | 1. Ningde Meteorological Administration, Ningde, Fujian 352100, China; 2. Department of Geography, Minjiang University, Fuzhott , Fujian 350121, China; 3. Fujian Province Meteorological Observatory, Fuzhou, Fujian 350001, China) |
| Abstract: | TY HAIKUI generated at high latitudes and mostly active above 25~N. Under the guidance of subtropical high circulation, continental high circulation and its own internal force, HAIKUI moved west- ward along the stable path. In this process, mid-latitude westerly trough and cold air located northerly. With no cold air intrusion into typhoon circulation of HAIKUI, middle latitude system was not conducive to the life extension of HAIKUI. HAIKUI weakened slowly after landing, and one of the reasons was that it wasn＇t blocked by the Taiwan terrain. More important reason was that after landing there was everfount va- por transportation. Another reason was due to upper air situation from convergence into divergence before typhoon landing, and its pumping action was beneficial to the maintenance of typhoon intensity. |
| Keywords: | typhoon subtropical high westward vapor |
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