At 20:50 on October 3, 2025, the meteorological station of Dingjie County of the Xizang？Autonomous？Region issued a blue warning signal for heavy rainfall: it is expected that from 08:00 on October 4 to 08:00 on October 5, there will be light to moderate rain (snow) (5.0~16.9 mm) in most of Dingjie, moderate to heavy rain (17.0~37.9 mm) in Chentang Town, and heavy to heavy snow (7.5~14.9 mm) in Riwu Town to the first village of Sherpa. Defense Guide: 1. Due to the impact of heavy rainfall weather, the risk of geological disasters in the southern part of our county is relatively high. It is recommended to strengthen the inspection and investigation of hidden disaster points to prevent secondary disasters such as flash floods, mudslides, and landslides caused by precipitation. 2. There may be snowfall in high-altitude mountainous areas, which may cause snow and ice accumulation on roads. It is recommended to strengthen patrols and do a good job in traffic diversion and control in mountainous areas; Passengers traveling during holidays are advised to pay attention to road traffic safety. 3. Pay attention to preventing the adverse effects of heavy rainfall on major engineering construction, energy supply, communication facilities, etc.