Weather stations in several cities on the North China Plain reported blowing sand and poor visibility in the hours it took the storm to pass.
华北平原多个城市的气象站报道沙尘经过的几个小时间风沙肆虐，可见度很低。
The sources of sand-dust during sand blowing weather mainly come from Beijing outskirts.
沙尘天气分沙尘暴、扬沙、浮尘三种，北京扬沙天气的沙尘源以就地起沙为主。
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