The Nyingchi Meteorological Observatory in Xizang issued a blue early warning signal of heavy rainfall at 10:00 on March 24: It is expected that there will be light rain (snow) on cloudy days in most parts of Nyingchi from 11:00 on March 24 to 11:00 on 25, moderate rain (10-25 mm) in most parts of Motuo and some towns in Bomi and Chayu, heavy rain (25-50 mm) in low altitude areas in the south, heavy snow (5-10 mm) in high altitude mountains such as Sejila, Mila Mountain and Demla, and heavy snow (10-25 mm) in Galongla, Duoxiong La and Yixiu La. Defense measures: It is necessary to prevent secondary disasters such as flash floods, landslides, avalanches, and snowmelt geological hazards that may be caused by heavy rainfall; At the same time, rainy days result in slippery roads, low visibility, and snowfall in high-altitude mountainous areas. Mountain roads are prone to snow accumulation and icing, and road traffic safety should be taken into account; Continuous rain, snow, cooling, and strong winds have adverse effects on cultural and tourism activities, major projects, energy supply, etc. It is recommended that relevant departments take preventive measures in advance.