For the convenience for the meteorological personnel in the multiangle observation of radar echo in details and the spatial distribution, this paper proposes and implements a crossplatform interactive 3D visualization analysis platform of Doppler weather radar. This paper proposes a visualization algorithm based on the characteristics of radarbased data. Based on the B/S mode, the overall architecture and design of multidimensional visual analysis platform are realized. The twodimensional and threedimensional visual display of the Webbased radar echoes is realized by using HTML Canvas technology and WebGL technology. The experimental results show that the Doppler weather radar 3D visualization analysis platform performs well in 3D visualization and interactive visual experiences and provides an effective visual analysis tool for meteorologists.