乌鲁木齐机场因天气原因大面积航班延误预警统计

Statistics of Weather-Caused Massive Delay Response System in Urumqi Airport

摘要: 本文利用新疆地区乌鲁木齐机场大面积航班延误(MDRS)预警统计结果，分析2018~2019年因天气原因造成的MDRS预警启动情况，得到以下结论：1) 乌鲁木齐机场因天气原因两年共启动预警57次，其中黄色预警33次，橙色预警19次，红色预警5次，11月~次年2月预警启动次数较多。导致MDRS预警启动的主要天气原因为降雪和冻雾，占比高达86%。86%的预警时长小于14.9小时，14%的预警时长达到15小时及以上。冻雾引起的预警在转风时段10~11时启动次数最多。

Abstract: Based on the early warning statistics of Massive Delay Response System (MDRS) at Urumqi Airport in Xinjiang region, this paper analyzes the early warning activation caused by weather in 2018~2019, and draws the following conclusions: Urumqi Airport activated 57 warnings due to weather in two years, including 33 yellow warnings, 19 orange warnings and 5 red warnings. The number of warnings activated from November to February of the next year was more. Snowfall and frost fog accounted for 86 percent of the major weather reasons, leading to the initiation of MDRS alerts. Eighty-six percent of warnings were less than 14.9 hours long, and 14 percent were 15 hours or more. The number of early warning caused by frost fog is the most during 10~11 hours of the rotating wind period.