秋末至初春,哈尔滨太平国际机场降雪是威胁飞行安全、影响飞行正常的主要天气现象之一。据统计,在这个时期,造成航班不正常属天气原因的约占60%-70%,而天气原因中降雪所占的比例接近50%。这不但造成机场跑道积雪和结冰,而且还常常造成机场主导能见度低于飞行天气标准,是造成航班返航、 Fall to early spring, Harbin Taiping International Airport snowfall is one of the main weather phenomena that threaten the flight safety and affect the normal flight. According to statistics, about 60% -70% of the irregular weather caused by flights during this period, while snowfall accounts for nearly 50% of the weather. This not only caused snow and ice at the airport runways, but also often resulted in airport-led visibility below the weather standard for flying, causing flights to return,