On August 2nd, Beijing issued multiple warnings for heavy rain, thunderstorms, mountain torrents, urban flooding, and geological hazards. It is expected that short-term heavy rainfall will occur in Beijing from the afternoon to the night, with hourly rainfall intensity in some mountainous areas reaching over 50 millimeters. On that day, significant rainfall was observed in areas like Houshayu in Shunyi District. Due to the rainfall, some trains on Beijing’s suburban railways Huaimi Line and S2 Line were temporarily suspended.
The blue alert for heavy rain issued on the morning of August 2nd stated that the city is expected to experience short-term heavy rainfall with hourly precipitation exceeding 30 millimeters in the afternoon and night. Areas such as Huairou, Miyun, Mentougou, Fangshan, and Haidian may see hourly rainfall exceeding 50 millimeters, with accumulated precipitation over 70 millimeters in 6 hours.
The blue alert for mountain torrents in Beijing mentioned a risk on August 2nd from 12:00 to 3:00 on August 3rd for mountainous areas to possibly experience mountain torrents.
Regarding the blue alert for urban flooding, it indicated a general risk of urban flooding in Haidian, Fengtai, and Shijingshan districts from 12:00 on August 2nd to 8:00 on August 3rd.
The blue alert for geological hazards warned of landslide, collapse, and debris flow risks in mountainous areas of Beijing from 12:00 on August 2nd to 12:00 on August 3rd.
In the afternoon of August 2nd, the Beijing Meteorological Observatory continued to issue a yellow alert for thunderstorms: thunderstorms with heavy rainfall and gusts of wind at magnitude 6 to 7 may occur from the afternoon to the night.
In the afternoon of August 2nd, a video posted by “Beijing Things You Don’t Know” on Weibo, with 7.114 million followers, showed heavy rain in the southwestern Houshayu area of Shunyi District in Beijing.
According to Beijing News, due to the rainfall warning on August 2nd, some trains on Beijing’s suburban railways Huaimi Line and S2 Line were temporarily suspended. The specific train services affected were: Huairou-Miyun Line S503, S504, S513, S514, S517, S518, and S523, as well as S2 Line S205, S206, S287, and S288.