中国中央气象台17日发布今年第一个低温黄色预警,未来一周,多地最低温较历史同期低摄氏5至7度以上。其中,黑龙江汤旺县预估最低温达到破纪录的零下48度。
17日,河北、山西、北京、天津、辽宁共30个国家级气象站最低气温突破12月历史极值,山西、河北、辽宁有5个站破建站以来历史极值。
截至北京时间17日晨8点,23个省会级城市气温创立冬后新低。其中,北京测得零下15.5度,创下今年入冬以来的低温纪录,同时为1951年有纪录以来,同期“第三冷”的低温。北京市气象台预报,17日最高气温只有零下6度,并继续发布道路结冰橙色预警、寒潮蓝色预警,以及持续低温黄色预警。
其它城市气温分别为:沈阳-23.5℃,长春-23.3℃,呼和浩特-26.3℃,太原-22.4℃,天津-17.9℃,银川-16.7℃,石家庄-12.8℃,济南-12.3℃,郑州-8℃,西安-6.5℃,合肥-6.3℃,南京-5.1℃,贵阳-3.6℃,武汉-2.5℃,上海-2.3℃,杭州-1.6℃,南昌1.2℃,成都1.8℃,南宁4.4℃,重庆4.7℃,广州5.3℃,福州8.4℃。
而且,17日开始至20日,新一股较强冷空气又将自北向南影响中东部地区,部分地区气温下降4~8℃,辽宁局部地区降温10℃以上。
与气温骤降相伴而来的还有暴雪,甚至大暴雪。低温雨雪天气给公路、铁路、民航旅客出行带来不同程度的影响。
公路方面,截至17日9时,受降雪、低温雨雪冰冻影响,山西、内蒙古、辽宁、吉林、黑龙江、山东、河南、广东、贵州、云南、甘肃、新疆等12个省区境内的208个路段封闭,恢复通行时间待定。
铁路方面,国铁集团发布预警信息,受雨雪冰冻灾害影响较大的线路,采取降速、折返、停运等措施。民航方面,截止17日傍晚,大连、烟台和威海机场依然受降雪影响。
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