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In order to improve the accuracy and timeliness of meteorological early warning information, realize the small area fine early warning of meteorological disasters, and give full play to the role of early warning information in disaster prevention and mitigation, the data of the national meteorological stations, regional automatic stations, mountain torrent precipitation stations, and lightning location systems in the Beibei area are used to develop the fined meteorological disaster early warning system with data quality control, multi threshold and targeted warning phraseology, by means of “.net” SQL server and ArcGIS as the platform. The system has both manual warning and automatic warning functions. Application of the system provides more timely and accurate early warning information to public.