Shanghai raises the four warning signals of "high temperature orange + heavy rain blue + lightning yellow + strong wind yellow".

Shanghai Central Meteorological Observatory updated the high temperature yellow warning signal to high temperature orange warning signal at 12:58 on September 17th. It is expected that the highest temperature in Minhang, downtown, and Pudong today will exceed 37C. The high temperature yellow warning signal has been updated to high temperature orange warning signal. Please pay attention to prevent the adverse effects of strong high temperatures on agricultural production, human health, and ensure safety in production, fire prevention, and electricity use. The Shanghai Central Meteorological Observatory issued a blue rainstorm warning signal at 12:49: It is expected that in the next 12 hours, most areas of the city will experience short-term heavy rainfall with an hourly rainfall of over 35 millimeters. Please be aware of the possibility of strong rainfall causing urban waterlogging and do well in drainage and flood control in low-lying and easily flooded areas. The city flood control headquarters has decided to simultaneously initiate a level IV response to flood and typhoon prevention in the city. Currently, Shanghai has "high temperature orange + rainstorm blue + lightning yellow + strong wind yellow" four warning signals raised, please pay attention to prevention.