At 09:40 on July 27, 2025, the municipal meteorological observatory issued a yellow warning signal of rainstorm: It is expected that the hourly rainfall intensity in most areas of our city will reach more than 30 mm from the afternoon of July 27 to the morning of July 28, 2025, of which the hourly rainfall intensity in some areas of Yanqing, Huairou, Miyun, Pinggu, Shunyi, Changping, Mentougou, Fangshan, Haidian, Shijingshan and other areas can reach more than 50 mm, the 6-hour cumulative rainfall can reach more than 70 mm, and the cumulative rainfall at some points can reach more than 100 mm. Mountain areas and shallow mountain areas may have secondary disasters such as flash floods, debris flows, landslides, and low-lying areas may have ponding, please pay attention to prevention.
市气象台2025年07月27日09时40分发布暴雨黄色预警信号：预计27日午后至28日上午，我市大部分地区小时雨强可达30毫米以上，其中延庆、怀柔、密云、平谷、顺义、昌平、门头沟、房山、海淀、石景山等区的部分地区小时雨强可达50毫米以上，6小时累计雨量可达70毫米以上，个别点累计雨量可达100毫米以上，山区及浅山区可能出现山洪、泥石流、滑坡等次生灾害，低洼地区可能出现积水，请注意防范。
The Municipal Hydrological Station issued a yellow flood warning at 00:00 on July 27, 2025: it is expected that the flow rate of the downstream section of the Chaobai River Basin will reach 700 cubic meters per second from 00:00 to 2:00 on July 27, reaching the yellow warning level flood. Citizens are advised to stay away from the river to ensure their own safety.
市水文总站2025年7月27日00时00分发布洪水黄色预警：预计27日0时至2时潮白河流域下会断面流量将达700立方米每秒，达到黄色预警等级洪水。请市民远离河道，确保自身安全。
The Municipal Hydrological Station upgraded and issued a red flood warning at 00:30 on July 27, 2025: it is expected that the flow rate of Zhangjiafen section in Chaobai River Basin will reach 3000 cubic meters per second from 3:00 to 5:00 on July 27, reaching the red warning level of flood. Citizens are advised to stay away from the river to ensure their own safety.
市水文总站2025年7月27日00时30分升级发布洪水红色预警：预计27日3时至5时潮白河流域张家坟断面流量将达3000立方米每秒，达到红色预警等级洪水。请市民远离河道，确保自身安全。
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