ISSN 1000-0526
CN 11-2282/P
CN 11-2282/P
Archive > Volume 51 Issue 9 > 2025,51(9):1146-1156. DOI:10.7519/j.issn.1000-0526.2025.082701 Prev Next
Analysis of the June 2025 Atmospheric Circulation and Weather
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Abstract:
The main characteristics of the general circulation of atmosphere in June 2025 are as follows. The Northern Hemisphere midtohigh latitude circulation exhibited a multiwave pattern. The region from the West Siberian Plain to northwestern China remained dominated by the average highpressure 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 secondhighest 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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