From 14:00 on April 29th to 14:00 on April 30th, it is expected that there will be heavy to torrential rain in some areas of northern Chongqing, eastern Guizhou, most parts of Jiangnan, and central and northern parts of South China. Among them, there will be heavy rainstorms (100~200 millimeters) in some areas of southern Hunan, central Jiangxi, northwestern Fujian, northeastern Guangxi, and northern Guangdong. The above-mentioned areas will experience short-term heavy rainfall (with hourly rainfall of 30~60 millimeters, locally exceeding 80 millimeters), and there will be strong convective weather such as thunderstorm winds and hail in some local areas.