【摘要】 １９９８年４月１４～１９日蒙古和我国北方连续发生２次强沙尘暴天气，沙尘暴减弱后的浮尘随高空西风急流东移，跨越黄海到达韩国南部。通过分析认为，这是一次发生于纬向环流中的沙尘暴天气，主要影响系统是蒙古西部热低压和地面冷锋。更多还原

【Abstract】 When 2 severe sandstorms were weakened,occured in mongoloia and north China from 14 to 19,April 1988,Fly ash swifted eastward and crossed Yellow sea along upper westerly jet to south Korea.This is a sandstorm weather that happened on zonal circulation and affected by heat low and surface cold front in west Mongolia.更多还原