受天气影响，太湖封航，长江汽渡临时停航

Group 1 - A strong cold air mass is affecting various regions in China, leading to a temperature drop of 6-10°C from February 15 to February 17, with some areas experiencing drops exceeding 12°C [1][2] - The lowest temperature line is expected to move southward to the Jianghuai and Huanghuai regions by February 17, indicating a significant cold wave impact [1] - Rain and snow are forecasted in several areas, including heavy rain and thunderstorms in parts of Chongqing, Hubei, Hunan, Jiangxi, and Anhui [2] Group 2 - Nanjing is expected to experience a temperature drop of 6-8°C over 48 hours, with the lowest temperatures occurring on the morning of February 17 [4] - A blue wind warning has been issued for Nanjing, predicting gusts of 6-8 on land and 7-9 on water, with a gradual decrease in wind strength expected [4] - Due to adverse weather conditions, navigation on Taihu Lake and several inland waterways in Jiangsu will be suspended starting from February 15 [6]