[1]王娟,李向红,王艳兰.广西临桂极端大风天气过程的中尺度特征分析[J].气象研究与应用,2020,41(02):84-88.[doi:10.19849/j.cnki.CN45-1356/P.2020.2.17]
　Wang Juan,Li Xianghong,Wang Yanlan.Mesoscale characteristic analysis of extreme gale weather in Lingui, Guangxi[J].Journal of Meteorological Research and Application,2020,41(02):84-88.[doi:10.19849/j.cnki.CN45-1356/P.2020.2.17]
点击复制

广西临桂极端大风天气过程的中尺度特征分析()
分享到：

气象研究与应用[ISSN:1673-8411/CN:45-1356/P]

卷:
第41卷
期数:
2020年02期
页码:
84-88
栏目:
技术总结
出版日期:
2020-06-30

文章信息/Info

Title:
Mesoscale characteristic analysis of extreme gale weather in Lingui, Guangxi
作者:
王娟;  李向红;  王艳兰
桂林市气象局, 广西 桂林 541001
Author(s):
Wang Juan;  Li Xianghong;  Wang Yanlan
Guilin Meteorological Bureau, Guilin Guangxi 541001
关键词:
极端大风; 下击暴流; 超级单体风暴
Keywords:
extreme wind; downburst; supercell storm
分类号:
P458.1+23
DOI:
10.19849/j.cnki.CN45-1356/P.2020.2.17
摘要:
利用常规观测资料、桂林多普勒天气雷达资料，对2019年3月21日夜间广西桂林市临桂区极端大风天气过程的气象要素变化特征、对流潜势和对流风暴的中尺度特征进行分析。结果表明，这是一次由超级单体造成的下击暴流过程，极端大风出现在最强分钟降水之前，气压在极端大风出现前后变化剧烈；过程发生在冷锋前低空急流前端的不稳定层结下，地面中尺度辐合中心触发对流，在强的风切变环境下迅速发展成超级单体风暴；雷达图上具有前侧入流缺口、后侧弱回波通道、回波悬垂、强中气旋、地面强辐散等特征；雷达提前一小时识别出TVS，在今后的临近预警中值得高度重视。
Abstract:
Using conventional observation data and Guilin Doppler weather radar data, the meteorological elements characteristics, convective potential and mesoscale characteristics of convective storms in the extreme gale weather process in Lingui District, Guilin, Guangxi at night on March 21, 2019 were analyzed. The results showed that this was a downburst process caused by supercells. The extreme gale appeared before the max minute precipitation, and the pressure changed drastically before and after the extreme gale. The process took place under the unstable stratification at the front of the low-level jet in front of the cold front, and the surface mesoscale convergence center triggered convection, which rapidly developed into a supercell storm in the strong wind shear environment. The radar chart had the characteristics of an inflow gap on the front side, a weak echo channel on the rear side, an echo overhang, a strong medium cyclone, and strong ground divergence. The radar recognized the TVS one hour in advance, which deserved high attention in the near-warning in the future.

参考文献/References:

[1] 王秀明,周小刚,俞小鼎.雷暴大风环境特征及其对风暴结构影响的对比研究[J].气象学报,2013,71(5):839-852.
[2] 方翀,俞小鼎,朱文剑,等.2013年3月20日湖南和广东雷暴大风过程的特征分析[J].气象,2015,41(11):1305-1314.
[3] 王娟,王军君,王婷,等.桂林初春一次冰雹天气过程分析[J].气象研究与应用,2019,40(1):29-33.
[4] 程月星,孙继松,戴高菊,等.2016年北京地区一次雷暴大风的观测研究[J].气象,2018,44(12):1529-1541.
[5] 王福侠,俞小鼎,裴宇杰,等.河北省雷暴大风的雷达回波特征及预报关键点[J].应用气象学报,2016,27(3):342-351.
[6] 翟丽萍,农孟松,梁维亮,等.造成临桂极端大风的超级单体风暴单体观测分析[J].暴雨灾害,2019,38(4):346-353.
[7] 盛杰,郑永光,沈新勇,等.2018年一次罕见早春飑线大风过程演变和机理分析[J].气象,2019,45(2):141-154.
[8] 李彩玲,黄先香,蔡康龙,等.2019年中国龙卷等对流大风过程及灾情特征[J].气象科技进展,2020,10(1):7-14.
[9] 俞小鼎,姚秀萍,熊廷南,等.多普勒天气雷达原理与业务应用[M].北京:气象出版社,2006:95-137.

相似文献/References:

[1]蒋亚平,农明哲,马智,等.2021年5月桂西南一次混合强对流天气过程诊断分析[J].气象研究与应用,2022,43(03):88.[doi:10.19849/j.cnki.CN45-1356/P.2022.3.16]
　Jiang Yaping,Nong Mingzhe,Ma Zhi,et al.Diagnostic analysis of a mixed severe convective weather process in Southwest Guangxi in May 2021[J].Journal of Meteorological Research and Application,2022,43(02):88.[doi:10.19849/j.cnki.CN45-1356/P.2022.3.16]

备注/Memo

备注/Memo:
收稿日期:2020-04-30。
基金项目:中国气象局预报员专项（CMAYBY2020－096）、桂林市气象局自立科研项目（201904）
作者简介:王娟(1985-),女,硕士,工程师,从事天气预报预警工作,E-mail:wxhcmf@163.com
更新日期/Last Update: 1900-01-01