Group 1 - The southern regions of China are experiencing significant rainfall, with some areas recording unprecedented rainfall levels, which may lead to both drought relief and potential flooding risks [1][3] - In Guangxi, severe drought conditions have been reported, with rainfall in March being less than half of the normal levels, and April's rainfall dropping to less than 20% of the usual amount [2] - Recent heavy rainfall has alleviated drought conditions in parts of Anhui and Jiangxi, but caution is advised due to the risk of rapid transitions from drought to flooding and secondary disasters [3] Group 2 - The forecast indicates that rainfall in southern China will initially decrease before intensifying again, with significant rainfall expected in Jiangnan and Huannan regions [1] - The first instance of flood exceeding warning levels occurred in Guangxi due to heavy rainfall, marking a critical point in the region's weather patterns [2] - The upcoming weather patterns suggest a continued risk of strong convective weather, which could adversely affect transportation and other sectors [1][3]