Group 1 - Beijing experienced heavy rainfall, with an average precipitation of 56.5 mm across the city from July 28, 20:00 to July 29, 07:00, and the maximum recorded at 184.2 mm in Fangshan Shilou [1] - Cumulative rainfall in Beijing from January 1 to July 29 reached 527.4 mm, which is 66.8% more than the average of 316.1 mm for the same period, and 68.4% more than last year's 313.2 mm [1] - Since the onset of the flood season on June 1, total rainfall has been 420.8 mm, exceeding the average of 240.7 mm by 74.8% and last year's 228.2 mm by 84.4% [1] Group 2 - The recent heavy rainfall in Beijing is attributed to an unusually northward and stable subtropical high-pressure system, which has led to frequent rain since July 24 [2] - A weather system known as the westerly trough influenced Beijing on the night of July 28, resulting in widespread rainfall across the city [2] Group 3 - Meteorological authorities have issued a yellow rainstorm warning, advising against driving through flooded areas and staying away from regions prone to geological disasters [3]
入汛以来北京累计降雨较常年同期偏多超七成,为何近期雨这么多
Xin Jing Bao·2025-07-29 01:36