[1]宁子杰,包文雯,陈峥蓉,等.台风“浪卡”(2016)暴雨特点及卫星云图特征分析[J].气象研究与应用,2021,42(03):88-93.[doi:10.19849/j.cnki.CN45-1356/P.2021.3.15]
　Ning Zijie,Bao Wenwen,Chen Zhengrong,et al.Typhoon Nangka (2016) rainstorm characteristics and satellite cloud image characteristics analysis[J].Journal of Meteorological Research and Application,2021,42(03):88-93.[doi:10.19849/j.cnki.CN45-1356/P.2021.3.15]
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台风“浪卡”(2016)暴雨特点及卫星云图特征分析()
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气象研究与应用[ISSN:1673-8411/CN:45-1356/P]

卷:
第42卷
期数:
2021年03期
页码:
88-93
栏目:
技术总结
出版日期:
2021-10-08

文章信息/Info

Title:
Typhoon Nangka (2016) rainstorm characteristics and satellite cloud image characteristics analysis
作者:
宁子杰1;  包文雯1;  陈峥蓉1;  潘静1;  黄明策2
1. 钦州市气象局, 广西 钦州 535000;
2. 广西壮族自治区气象台, 南宁 530022
Author(s):
Ning Zijie1;  Bao Wenwen1;  Chen Zhengrong1;  Pan Jing1;  Huang Mingce2
1. Qinzhou Meteorological Bureau, Qinzhou Guangxi 535000;
2. Guangxi Meteorological Observatory, Nanning Guangxi 530022
关键词:
台风"浪卡"(2016); 暴雨; 非对称结构; 云团特征
Keywords:
Typhoon Nangka (2016); rainstorm; asymmetric structure; cloud characteristics
分类号:
P458
DOI:
10.19849/j.cnki.CN45-1356/P.2021.3.15
摘要:
利用常规气象资料、NCEP格点资料及FY2G卫星资料，采用天气学诊断和卫星云图解译分析方法，对2020年第16号台风"浪卡"（Nangka）暴雨发生特点及卫星云图特征进行分析。结果表明，"浪卡"在副高南侧偏东气流引导下，持续向西偏北方向移动进入北部湾，造成广西南部强风暴雨；暴雨发生第一阶段由台风本体倒槽云系产生，第二阶段由台风后部偏南气流与冷空气互相作用增强的动力强迫引发，台风东北侧东南急流加强与冷空气携带的东北气流在广西南部强烈辐合，加上海岸带地形作用，使该地区低层水汽辐合和上升运动强烈，为暴雨增幅提供有利动力条件；"浪卡"云系不对称结构明显，在登陆海南岛前，范围宽广而且发展旺盛的积云对流主要位于台风南侧，与辐合带的西南季风相连密切相关，进入北部湾后，受北侧副高加强影响，东南风急流加强导致北侧积云对流发展更旺盛。OLR场的配置对于台风路径预报有较好的指示意义。
Abstract:
Using conventional meteorological data, NCEP grid data, and FY2G satellite data, synoptic diagnosis and satellite cloud graphic translation analysis methods were used to analyze the occurrence characteristics of the rainstorm of Typhoon No. 16 Nangka in 2020 and the characteristics of satellite cloud images. The results showed that under the guidance of the easterly airflow on the south side of the subtropical high, Nangka continued to move northwestward into the Beibu Gulf, causing gales and rainstorms in southern Guangxi. The first stage of rainstorm was caused by the inverted trough cloud system of the typhoon body, and the second stage was caused by the dynamic forcing of the interaction between the southerly-air flow and the cold air at the back of the typhoon. The southeast jet stream on the northeast side of the typhoon strengthened and the northeast air current carried by the cold air converged strongly in southwest Guangxi, coupled with the coastal topography, making the low-level water vapor convergence and upward movement strong, which provided favorable power conditions for the increase of heavy rainfall. The cloud system of Nangka had an obvious asymmetric structure. Before landing on Hainan Island, the broad and vigorously developed cumulus convection was mainly located on the south side of the typhoon and was closely related to the southwest monsoon in the convergence zone. After entering the Beibu Gulf, affected by the strengthening of the subtropical high on the north side, and the strengthening of the southeast wind jet, there was a more vigorous development of cumulus convection on the north side. The configuration of OLR field has good indication significance for typhoon path prediction.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2021-07-29。
基金项目:国家自然科学基金项目（41905077）、钦州市科学研究与技术开发计划项目（202014806）、钦州市气象局科研课题项目（2020001）
作者简介:宁子杰(1991-),男,助理工程师,主要从事天气预报技术服务和应用。E-mail:260558170@qq.com
通讯作者:黄明策(1977-),男,博士,正高级工程师,主要从事灾害性天气预报技术方法研究和应用。E-mail:luckyhmc@126.com
更新日期/Last Update: 1900-01-01