According to forecasts, due to the impact of Typhoon No. 13 “White Dolphin,” Zhejiang, Fujian, Jiangxi, Jiangsu, Shanghai, Anhui and other places will have a heavy rainfall process from August 8 to 12, mainly heavy to torrential rain, with some heavy rainfall, accompanied by short-term heavy rainfall; Taihu Lake and the Qiantang River, Yongjiang River, Jiaojiang River, Oujiang River, Minjiang River, and the lower reaches of the Yangtze River basin, the Chuhe River, Qingyi River, Shuiyang River, Chaohu Lake and the Dongting Xianghu River system in the lower reaches of the Yangtze River basin Rivers such as the main stream of the Huai River and the Shiguan River and the tributaries in the middle reaches will experience significant water rise, and some major rivers may experience numbered floods; Major flooding is likely to occur in some small to medium rivers in the rainstorm area. According to the “Ministry of Water Resources's Flood and Drought Disaster Prevention Emergency Response Work Regulations”, the Ministry of Water Resources initiated flood protection level IV emergency response for Shanghai, Jiangsu, Zhejiang, Anhui, Fujian, and Jiangxi at 18:00 on August 7, to supervise and guide local water conservancy departments to pay close attention to typhoon “White Dolphin” trends and changes in rain conditions, strengthen emergency duty and consultation, strengthen monitoring, forecasting and early warning, and scientifically dispatch water projects to ensure the safety of people's lives and property.

According to forecasts, due to the impact of Typhoon No. 13 “White Dolphin,” Zhejiang, Fujian, Jiangxi, Jiangsu, Shanghai, Anhui and other places will have a heavy rainfall process from August 8 to 12, mainly heavy to torrential rain, with some heavy rainfall, accompanied by short-term heavy rainfall; Taihu Lake and the Qiantang River, Yongjiang River, Jiaojiang River, Oujiang River, Minjiang River, and the lower reaches of the Yangtze River basin, the Chuhe River, Qingyi River, Shuiyang River, Chaohu Lake and the Dongting Xianghu River system in the lower reaches of the Yangtze River basin Rivers such as the main stream of the Huai River and the Shiguan River and the tributaries in the middle reaches will experience significant water rise, and some major rivers may experience numbered floods; Major flooding is likely to occur in some small to medium rivers in the rainstorm area. According to the “Ministry of Water Resources's Flood and Drought Disaster Prevention Emergency Response Work Regulations”, the Ministry of Water Resources initiated flood protection level IV emergency response for Shanghai, Jiangsu, Zhejiang, Anhui, Fujian, and Jiangxi at 18:00 on August 7, to supervise and guide local water conservancy departments to pay close attention to typhoon “White Dolphin” trends and changes in rain conditions, strengthen emergency duty and consultation, strengthen monitoring, forecasting and early warning, and scientifically dispatch water projects to ensure the safety of people's lives and property.