Several dams and reservoirs had been drained in preparation in Zhejiang, and the province upgraded its emergency response to In-fa to level 3. Up to 20 inches of rain was expected for many areas of China. Over 100 trains were cancelled, and other ports and railways were shut down temporarily. Officials in Shanghai warned residents to stay inside, closing down various parks and museums. They advised against large-scale gatherings. All container ship docks were shut down in Yangshan port south of Shanghai, with 150 vessels being evacuated from the area. Shanghai also canceled international flights due to In-fa. At least 815,000 people have been evacuated by the 2021 Henan floods, which partly related to Typhoon In-fa.