中国空气质量日志 (2015年2月18日) 阳光版

重点提示: (1)弱冷空气长驱直入控制华北至长江中下游地区; (2)中东部区域污染向西转移,污染总体局势喜忧参半;

天气形势:

18日北方弱冷空气沿太行山南下扩散,控制中国中东部平原地区,早八时冷锋抵达长三角以南附近,有利于驱散前日累积的区域雾霾。而西南低压槽仍控制云贵地区,中东部地表受偏东气流影响容易发生区域污染转移。2015-02-1808_SLP2015-02-18-0800_FORECAST

图1 2015年02月18日地面天气图(08:00 UTC+8)和污染气象预报图 (图片来源:中央气象台)

预报回顾:

当日矮马全国AQI预报显示中东部区域污染向西转移,被压缩在太行山至秦岭以东沿线,污染中心出现在河南湖北交界附近。而前日受雾霾困扰的江淮及长三角地区空气质量普遍好转,有望迎来一个相对清洁的除夕之夜。

2015-02-18-Review1

图2 2015年02月18日AQI空气质量预报与实况比较(左:矮马预报;右:CNEMC数据平台)

文章分类 空气质量日志, 空气质量点评
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