【摘要】 分析蒙古低压造成的黑龙江省大雪过程的大尺度环流背景与云型模式，找出云系与高、低空急流及物理量场的配置关系。分析云图演变来预报蒙古低压大雪的落区、时段及强度。更多还原

【Abstract】 It analysis the general circulation and cloud type of heavy snow caused by Mongolia low in Heilongjiang Province,findout the allocation relationship among clouds,high—level jet,low level jet and magnitude field of physics.We can predict the area,time and intensity of heavy snow of Mongolia low from the analysis on cloud pictures.更多还原