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投稿时间:2025-08-11 修订日期:2025-08-29
投稿时间:2025-08-11 修订日期:2025-08-29
中文摘要: 2025年6月,北半球中高纬度环流呈多波型,西西伯利亚平原至我国西北地区受平均高压脊和高度场正距平控制,西太平洋副热带高压偏西、偏北、偏强。全国平均气温为21.3℃,较常年同期(20.4℃)偏高0.9℃,为1961年以来的次高;高温日数为3.3 d,较常年同期(1.7 d)偏多。全国平均降水量为106.2 mm,较常年同期(102.8 mm)偏多3.3%;梅雨开始偏早,长江中下游等地降水明显偏多。月内有2个台风活动,台风生成显著偏晚,登陆偏早;出现6次暴雨过程、5次高温过程和 5次强对流天气过程,多地出现极端天气。本文简要分析了1号台风“蝴蝶”引发的强降水以及17—23日贵州至长江中下游等地极端强降水过程的基本成因和预报难点。
中文关键词: 大气环流,暴雨,高温,台风,强对流
Abstract:The main characteristics of the general circulation of atmosphere in June 2025 are as follows. The Northern Hemisphere mid to high latitude circulation exhibited a multi wave pattern. The region from the West Siberian Plain to northwestern China remained dominated by the average high pressure ridge and persistent positive height field anomalies. Meanwhile, the subtropical high showed a significant westward and northward displacement with intensified strength. The monthly mean temperature across China was 21.3℃, exceeding the climatological average (20.4℃) by 0.9℃ and being ranked as the second highest since 1961. The number of high temperature days was 3.3 days, surpassing the norm of 1.7 days. The monthly average precipitation reached 106.2 mm across China, 3.3% above the climatological mean (102.8 mm). The Meiyu season commenced early, with significantly more precipitation in the middle and lower reaches of the Yangtze River. During the month, there were two typhoons generated, but their genesis time was strikingly late with the first landfall striking early. Concurrently, there occurred six torrential rain episodes, five prolonged heatwaves, five severe convective weather events, and precipitating extreme weather events across multiple regions. Moreover, this paper briefly analyzes the basic causes and forecasting challenges related to the torrential rain induced by the first Typhoon Wutip, and the extreme heavy precipitation episode from Guizhou to the middle and lower reaches of the Yangtze River during 17-23 June.
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基金项目:国家自然科学基金项目(42230612)和国家重点研发计划(2022YFC3003905)共同资助
Author Name | Affiliation |
QIU Sunjunjie | National Meteorological Centre, Beijing 100081 |
ZHANG Fanghua | National Meteorological Centre, Beijing 100081 |
引用文本:
邱孙俊杰,张芳华,2025.2025年6月大气环流和天气分析——入梅以来南方多地出现极端强降水[J].气象,51(9):1146-1156.
QIU Sunjunjie,ZHANG Fanghua,2025.Analysis of the June 2025 Atmospheric Circulation and Weather[J].Meteor Mon,51(9):1146-1156.
邱孙俊杰,张芳华,2025.2025年6月大气环流和天气分析——入梅以来南方多地出现极端强降水[J].气象,51(9):1146-1156.
QIU Sunjunjie,ZHANG Fanghua,2025.Analysis of the June 2025 Atmospheric Circulation and Weather[J].Meteor Mon,51(9):1146-1156.
