上海浦东机场一次极端天气分析

Analysis of an Extreme Weather in Pudong International Airport

对2020年3月26日浦东机场出现的一次雷雨低云大雾交替出现的天气过程进行特征分析,初步探讨极端天气出现的天气形势和物理量场。结果表明:20时雷暴发生前,近地面925 hPa以下维持有逆温层,700 hPa以下水汽非常充沛,上海地区K指数值高达36℃。同时,总结对管制用户的服务经验,为未来极端天气的航空气象服务提供经验。

This paper analyzed the weather process of a thunderstorm,low cloud and heavy fog alternating in Pudong Airport on March 26,2020,and discussed the weather situation and physical quantity field of extreme weather preliminarily.The results show that the inversion layer is maintained below925 hPa near the ground before the thunderstorm happened at eight o’clock in the night,besides,the water vapor is abundant below 700 hPa,and the K index value in Shanghai is as high as 36℃.At the same time,we can summarize the service experience of the control users,and provide the experience summary for the extreme weather aviation meteorological service in the future.