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An internetbased system of disaster weather warning and meteorological information distributing is introduced in detail. It is free software, has the functions of linking internet users to obtain automatically importance disaster weather warning messages and other conventional weather forecast information and receiving satellite cloud pictures and radar data at any time and any place. A ccordingly, the coverage of the system is greatly enlarged, and at present, the number of users has grown to nearly 100 thousands, even including villages and towns, schools, corporations and communities. It has great potential in application.