At 16:45 on June 27, 2026, the Meteorological Bureau of Jiangda County, Xizang, issued a blue warning signal for heavy rainfall: affected by the shear line, it is expected that there will be light to moderate rain in our county from 20:00 on June 27 to 20:00 on June 28, and moderate to heavy rain (17-37.9 mm) in some towns. During the process, strong convective weather such as lightning, strong winds, hail, and short-term heavy precipitation are prone to occur. Defense measures: 1. It is necessary to strengthen the inspection and elimination of hidden geological hazards, and prevent secondary disasters such as local flash floods, geological disasters, and urban and rural waterlogging that may be caused by heavy precipitation. 2. Prevent the adverse effects of heavy rainfall on major engineering construction, energy supply, communication facilities, transportation, etc. 3. Pay attention to preventing the adverse effects of strong convective weather on agricultural and animal husbandry production, outdoor activities (construction sites, high-altitude operations), etc., and do a good job in lightning protection safety for cordyceps harvesting and excavation.