Abstract:In order to strengthen the monitoring and early warning of thunderstorm weather in Chengdu Shuangliu Airport,a set of BTD-300 lightning locator is installed.This paper firstly introduces the working principle and system establishment scheme of BTD-300 lightning locator,then combined with the actual operation,selects the data of lightning locator in the course of a thunderstorm for a case analysis.The analysis results show that the application of BTD-300 lightning locator near Shuangliu Airport can better reflect the occurrence,development and end of thunderstorms near the airport,and provide a reference for thunderstorm weather warning at the airport.