Suspension of classes. Taizhou Meteorological Observatory upgraded and issued an orange rainstorm warning signal at 07: 07 on July 17, 2023: By July-1707: 08: 00, there had been a rainstorm of more than 50 mm in most areas of Hailing, and the government and relevant departments should do a good job in emergency prevention of rainstorm according to their duties; Cut off the dangerous outdoor power supply and suspend outdoor work; Units in dangerous areas should suspend classes and business, and take special measures to protect the safety of students, children and other staff who have arrived at school; And do a good job in urban and farmland drainage, pay attention to prevent flash floods, landslides, mudslides and other disasters.