2022年6月郑州都市圈一次极端高温热浪天气过程特征分析

doi:10.3969/j.issn.1673-503X.2025.02.001

气象与环境学报 ›› 2025, Vol. 41 ›› Issue (2): 1-10.doi: 10.3969/j.issn.1673-503X.2025.02.001

• 论文 • 下一篇

2022年6月郑州都市圈一次极端高温热浪天气过程特征分析

孟寒冬^1,2, 王学远³, 史恒斌^1,2, 孙存永⁴, 王森彪⁴, 李韶⁴, 朱海剑⁵, 张方⁴

1. 中国气象局河南省农业气象保障与应用技术重点开放实验室, 河南郑州 450003;
2. 河南省气候中心, 河南郑州 450003;
3. 南京大学大气科学学院, 江苏南京 210023;
4. 郑州市气象局, 河南郑州 450005;
5. 睢县气象局, 河南商丘 476900

收稿日期:2025-01-15 修回日期:2025-02-25 出版日期:2025-04-28 发布日期:2025-06-20
通讯作者: 张方,男,高级工程师,E-mail:343866632@qq.com。 E-mail:343866632@qq.com
作者简介:孟寒冬,女,1987年生,高级工程师,主要从事气候应用分析与气候变化,E-mail:menghd752@126.com。
基金资助:
河南省科技攻关项目(232102321007)、中国气象局城市气象重点开放实验室开放基金课题(LUM-2024-02)、河南省科技研发计划联合基金(应用攻关类)项目(232103810090、242103810098)共同资助。

Analysis of an extreme heatwave event in the Zhengzhou Metropolitan Area in June 2022

MENG Handong^1,2, WANG Xueyuan³, SHI Hengbin^1,2, SUN Cunyong⁴, WANG Senbiao⁴, LI Shao⁴, ZHU Haijian⁵, ZHANG Fang⁴

1. CMA·Henan Key Laboratory of Agrometeorological Support and Applied Technique, Zhengzhou 450003, China;
2. Henan Provincial Climate Centre, Zhengzhou 450003, China;
3. School of Atmospheric Sciences, Nanjing University, Nanjing, 210023, China;
4. Zhengzhou Meteorological Bureau, Zhengzhou 450005, China;
5. Suixian Meteorological Bureau, Shangqiu 476900, China

Received:2025-01-15 Revised:2025-02-25 Online:2025-04-28 Published:2025-06-20

摘要/Abstract

摘要： 选用气象站观测资料和NCEP再分析资料,对2022年6月15—26日郑州都市圈一次极端高温热浪天气过程的城市热环境特征及大气环流背景进行分析。结果表明:此次高温热浪天气,郑州都市圈约65%的气象观测站出现了长达12 d的极端高温。6月24日热浪强度达到峰值时,有96%的气象观测站日最高气温超过40℃,部分站点日最高气温超过45℃。此次过程主要受大陆高压影响,高层存在反气旋,形成的高层辐散、低层辐合结构,利于低层暖低压维持,导致高温热浪天气发生、发展并长时间维持。郑州都市圈主要城市均存在显著的城市热岛效应,夜间的城市热岛强度大于日间。城市热岛强度与城市规模相关,郑州市城市热岛效应明显高于其他城市,其夜间的城市热岛强度达2.7℃。在高温热浪与城市热岛效应共同作用下,郑州都市圈的人口密集型城市的日间人体热胁迫时间显著增加。

关键词: 大陆高压, 人体热胁迫, 城市热岛效应, 人体舒适度

Abstract: This study used meteorological station observation data and NCEP reanalysis data to analyze the characteristics of urban thermal environment and atmospheric circulation associated with an extreme heatwave event in the Zhengzhou Metropolitan Area from June 15 to 26,2022.Results showed that approximately 65% of meteorological stations in the Zhengzhou Metropolitan Area experienced 12 consecutive days of extreme high temperatures.On June 24,the peak of the heatwave,96% of meteorological stations recorded daily maximum temperatures exceeding 40 ℃,with several stations exceeding 45 ℃.This event was primarily influenced by a continental high-pressure system with an upper-level anticyclone,forming a structure with upper-level divergence and lower-level convergence,which supported the maintenance of a low-level warm low-pressure system,leading to the occurrence,development,and prolonged persistence of the heatwave.Significant urban heat island (UHI) effects were observed in all major cities within the Zhengzhou Metropolitan Area,greater UHI intensity at nighttime than daytime.The UHI intensity was correlated with the size of city,with Zhengzhou exhibiting significantly stronger UHI effects than other cities,reaching a nighttime UHI intensity up to 2.7 ℃.Under the combined effects of the heatwave and urban heat island,daytime human thermal stress duration was significantly extended in densely populated regions in the Zhengzhou Metropolitan Area.

Key words: Continental high-pressure system, Human thermal stress, Urban heat island effect, Human comfort index

中图分类号:

P423

孟寒冬, 王学远, 史恒斌, 孙存永, 王森彪, 李韶, 朱海剑, 张方. 2022年6月郑州都市圈一次极端高温热浪天气过程特征分析[J]. 气象与环境学报, 2025, 41(2): 1-10.

MENG Handong, WANG Xueyuan, SHI Hengbin, SUN Cunyong, WANG Senbiao, LI Shao, ZHU Haijian, ZHANG Fang. Analysis of an extreme heatwave event in the Zhengzhou Metropolitan Area in June 2022[J]. Journal of Meteorology and Environment, 2025, 41(2): 1-10.

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2022年6月郑州都市圈一次极端高温热浪天气过程特征分析

Analysis of an extreme heatwave event in the Zhengzhou Metropolitan Area in June 2022

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