今早6点，中央气象台继续发布大雾黄色预警：预计今天上午，北京东南部、天津中西部、河北中南部、山东西部和南部、江苏中北部、安徽北部、湖南中 北部等地的部分地区有大雾，局地有能见度不足200米的强浓雾。 遇到大雾天气，其中比较明显的感受就是对交通带来的影响，尤其可能会遇到团雾，它往往出现在高速公路的某一段。经过多年的统计资料分析，在我国的 华北平原、江苏、安徽是团雾天气多发的区域。 大雾天气的具体情况如何？ 中央气象台的最新预报显示，一股冷空气已经影响到我国新疆地区，预计本轮大雾天气过程要持续到8日。9日随着冷空气东移影响到中东部地区，大雾天气 将逐渐减弱消退。 提醒在此之前有出行计划的朋友，出行之前要收看当地的最新预报预警信息，开车谨慎慢行，注意防范。 0:00 今天，北京、天津、河北、江苏等地发布大雾预警。就在几天前，我国多地才刚刚经历一场大雾天气过程。短短数日，大雾再度来袭，究竟是为什么？这次 大雾天气会持续多久？ 国家气象中心环境气象室副主任 刘超：在华北的中南部、苏皖的北部、湖南的中部出现了大雾天气，尤其是北京东南部、天津大部以及湖南的中部出现能 见度低于200米的强浓雾天气。通过统计发现，入秋以来，我 ...

Group 1 - The emergency response drill for flood rescue on the Yalu River was initiated, involving multiple departments to test and enhance rescue capabilities [1] - Advanced technologies such as flying life rings and underwater robots were utilized during the drill, demonstrating effective rescue operations under complex conditions [1] - The city of Dandong has proactively prepared for flood season by conducting various emergency drills and ensuring adequate emergency supplies [1] Group 2 - A flood gate operation drill was conducted in Dandong, simulating real-life scenarios to ensure readiness and safety during flood events [2] - Local units have strengthened monitoring, improved emergency mechanisms, and conducted practical drills to enhance flood safety measures [2] Group 3 - The provincial meteorological station issued a weather report predicting multiple heavy rainfall events from August 15 to 22, with specific dates and regions highlighted for potential severe weather [4] - The forecast includes warnings for urban flooding, mountain torrents, geological disasters, and secondary hazards due to heavy rainfall [4]