Chinese south-east areas are invaded by typhoons every year, and it causes serious impacts to the society and economy developing. So the research works and applications related to typhoon alert services are deeply concerned by all the society. Many organizations developed and provided some kinds of typhoon information and alert systems based on Internet. After the study of functions and features of such systems, we found that most of the typhoon information and alert systems have shortcomings list as follows. (1) Heterogeneous multi-source weather data have not managed under a unified spatio-temporal model, thus the weather data and products cannot fuse properly for display, and the users cannot read the typhoon information intuitively. (2) There are less types of typhoon information service products, and