Analysis of radar echo of a torrential rainstorm in northeastern Sichuan basin;

Radar echo characteristics of regional heavy rain process;

Radar echo characteristics of severe thunderstorm weather on August 13,2007 in Shantou,Guangdong province;

In combination with the real-time radar echoes,the correlation analysis is conducted.

Based on synoptic maps, radar echoes and variations of station observations such as temperature, a widespread squall process occurred in South Fujian on 6 April 2002 was analyzed.

By using conventional meteorological data and next-generation weather radar echo data, we analyzed the evolving characteristics of circumfluenee background,physical parameter field and radar echoes in this weather.

This dissertation first introduces the common stop-and-go model in modeling of radar return of moving targets, and analyzes the radar return characteristic of moving targets based on the stop-and-go model.

Through analyzing on the FY-2C nephogram connecting with the 713C radar echo, this paper makes the comparative analysis on the processes of the stormy weathers occurring twice continuously in southern Shanxi Province and Henan Province in July,2005.