Xinhua News Agency, June 19, Shanghai Central Meteorological Observatory issued a yellow warning for rainstorm at 18:25 on 19 June: under the influence of relatively strong precipitation clouds, it is expected that there will be short-term heavy precipitation of 30ml and 50mm in most areas of Shanghai before midnight on the 19th, and the blue warning signal of rainstorm will be updated to the yellow warning signal of rainstorm. Please strengthen the prevention of urban flooding caused by heavy rainfall, and do a good job of drainage and waterlogging prevention in low-lying and flood-prone areas.