【摘要】 针对 2 0 0 1年 3月 2 6日出现在我国河西走廊东部和蒙古地区的一次强沙尘暴、大风、浮尘天气过程 ,从天气形势、气候成因、动力诊断等方面进行了探讨。分析结果表明 ,蒙古强冷空气南压 ,入侵河西东部 ,加之该区今春以来干旱严重 ,气温偏高 ,地表干土层增厚 ,形成了大风、强沙尘暴、浮尘天气。更多还原

【Abstract】 For one strong sandstorm with gale?floating dust weather process occurring at 26 Mar.2001 in Hexi corridor and Mongolia,we analyse the weather circulation,climate causes by using dynamic diagnosis.The results show that the Mongolia strong cold air moves southward and invades east of Hexi corridor,combined with spring drought,high temperature and dry soil surface,thus result in the gale, the strong sandstorm and the floating dust weather.更多还原