【江苏启动防汛Ⅳ级应急响应】6月19日讯，江苏省防汛抗旱指挥部发布消息，6月19日11时起，启动江苏省防汛Ⅳ级应急响应。江苏省气象台6月19日9时19分发布暴雨黄色预警：预计19日夜里至20日，南京、南通北部、淮安、盐城、扬州、镇江北部、泰州、宿迁等地区将出现24小时50毫米以上的强降雨，其中南京、淮安、盐城、扬州、泰州的部分地区降水量可能超过100毫米，局部伴有雷电、短时强降水和雷暴大风等强对流天气。

Core Viewpoint - Jiangsu Province has initiated a Level IV flood emergency response due to expected heavy rainfall and severe weather conditions [1] Summary by Relevant Sections - Emergency Response Activation - Jiangsu Province's flood and drought prevention command has announced the activation of a Level IV emergency response starting from June 19 at 11 AM [1] - Weather Forecast - The Jiangsu Meteorological Station issued a yellow rainstorm warning on June 19 at 9:19 AM, predicting over 50 millimeters of rainfall in several regions including Nanjing, northern Nantong, Huai'an, Yancheng, Yangzhou, northern Zhenjiang, Taizhou, and Suqian from the night of June 19 to June 20 [1] - Specific areas in Nanjing, Huai'an, Yancheng, Yangzhou, and Taizhou may experience rainfall exceeding 100 millimeters, along with thunderstorms, short-term heavy rainfall, and strong winds [1]