A squall line in MCC was monitored by using Doppler radar and AWOS, and the value of low-level wind shear was calculated to provide for Guangzhou Baiyun airport.

• 利用广州白云机场多普勒天气雷达和地面自动站资料对MCC内部的飑线进行实时监测分析,得到由飑线和下击暴流产生的低空风切变对机场的影响情况。