暴雨红色预警信号中！北京28日夜间将迎暴雨到大暴雨

Group 1 - The Beijing Meteorological Bureau has issued a red rainstorm warning due to the influence of high-altitude troughs and moisture from a typhoon, predicting heavy to extremely heavy rainfall in the region [1] - Rainfall is expected to intensify after 8 PM, with most areas receiving over 150 mm in 6 hours, and some locations potentially exceeding 300 mm, leading to high risks of secondary disasters such as flash floods and landslides in mountainous areas [1] - The Beijing Drainage Group has activated a level one flood response, deploying 252 emergency units and mobilizing 3,162 personnel to ensure flood prevention measures are in place [1] Group 2 - The meteorological department warns of extreme rainfall overlapping with previous heavy rain, significantly increasing the risk of flash floods, mudslides, and landslides in mountainous and shallow areas, advising the public to avoid these regions [2] - The heavy rainfall may cause severe water accumulation in low-lying areas and road sections, with wet road conditions and reduced visibility posing traffic safety risks [2] - Thunderstorms and strong winds are expected in some areas, prompting warnings against staying near tall buildings, billboards, temporary structures, or large trees [2]