[1]林汇丰,张玫,刘昌,等.惠州市5月高温特征及异常高温成因分析[J].气象研究与应用,2020,41(01):16-20.[doi:10.19849/j.cnki.CN45-1356/P.2020.1.04]
 Lin Huifeng,Zhang Mei,Liu Chang,et al.Characteristics of high temperature in May and cause analysis of abnormal high temperature in Huizhou City[J].Journal of Meteorological Research and Application,2020,41(01):16-20.[doi:10.19849/j.cnki.CN45-1356/P.2020.1.04]
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惠州市5月高温特征及异常高温成因分析()
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气象研究与应用[ISSN:1673-8411/CN:45-1356/P]

卷:
第41卷
期数:
2020年01期
页码:
16-20
栏目:
研究论文
出版日期:
2020-03-31

文章信息/Info

Title:
Characteristics of high temperature in May and cause analysis of abnormal high temperature in Huizhou City
作者:
林汇丰1 张玫2 刘昌1 陈雷文1 刘建龙1 陈芳丽1 李明华1
1. 惠州市气象局, 广东 惠州 516001;
2. 惠阳区气象局, 广东 惠州 516211;
3. 惠州市突发事件预警信息发布中心, 广东 惠州 516001
Author(s):
Lin Huifeng1 Zhang Mei2 Liu Chang1 Chen Leiwen1 Liu Jianlong1 Chen Fangli1 Li Minghua1
1. Huizhou Meteorological Service, Huizhou Guangdong 516001;
2. Huiyang District Meteorological Service, Huizhou Guangdong 516211;
3. Huizhou Emergency Early Warning Information Release Center, Huizhou Guangdong 516001
关键词:
5月异常高温副热带高压惠州市
Keywords:
Mayabnormal high temperaturesubtropical anticycloneHuizhou City
分类号:
P42
DOI:
10.19849/j.cnki.CN45-1356/P.2020.1.04
摘要:
利用1953-2018年NCEP/NCAR日平均再分析资料和惠州市区逐日气象要素数据,统计分析了惠州市5月高温的气候特征,及1963年和2018年异常高温的成因。结果表明,惠州市5月出现高温天气年频率为15%;近66a间,惠州市5月日极端最高和月平均气温年变化均呈不显著的增加变化趋势;1963年和2018年5月出现了罕见的持续长时间的高温酷热天气,1963年以15d和38.1℃位列第一;5月气温异常偏高主要成因为对流层高层南亚高压中心偏东偏北,副热带高压长时间控制广东上空,同时低层弱的西南气流影响,形成了对流层高层辐合-低层辐散的高低空配置,有利于惠州高温天气的形成和维持。
Abstract:
Based on the NCEP/NCAR daily average reanalysis data from 1953 to 2018 and the daily meteorological elements data of Huizhou City, the climatic characteristics of high temperature in May and the causes of abnormal high temperature in 1963 and 2018 were analyzed. The results showed that the annual frequency of high temperature weather in May was 15% in Huizhou, and the annual changes of extreme maximum temperature and monthly average temperature in May had no significant increasing trend in recent 66 years. In 1963 and 2018, rare hot weather with a long duration occurred in May, ranking first with 15d and 38.1℃ in 1963. The abnormal high temperature in May was mainly due to the fact that the center of South Asia High in the upper troposphere was more east and north, and the subtropical high controlled over Guangdong for a long time. At the same time, the influence of the weak southwest air flow in the lower troposphere formed the allocation of upper tropospheric convergence and lower tropospheric divergence, which was conducive to the formation and maintenance of high temperature weather in Huizhou.

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备注/Memo

备注/Memo:
收稿日期:2020-01-20。
基金项目:广东省气象局软科学项目(201708)、广东省气象局科研项目(GRMC2017M38)和惠州市科技计划项目(2016G0412027)
作者简介:林汇丰(1992-),男,助理工程师,主要从事天气预报及服务工作。E-mail:714441635@qq.com
通讯作者:陈芳丽(1980-),女,高工,主要从事短期天气预报预测与服务工作。E-mail:419569019@qq.com
更新日期/Last Update: 1900-01-01