Power gird radar early warning method based on GIS

The invention relates to a power gird radar early warning method based on the GIS. The environment climate information of a current electrical device is obtained through a meteorological radar early warning module, climate warning information is accordingly generated, related information is accordingly obtained from an electrical device configuration resource database, an electrical device information resource database, an electrical device terrain resource database and a meteorological information database through a central data processing module, the related information is sent to a GIS module, an electrical device climate geographic information electrograph of the electrical device is drawn, and dispatching workers are prompted to conduct tracking. According to the power gird radar early warning method based on the GIS, the information obtained through meteorological radar and the terrain information of the electrical device are combined together, the electrical device influenced by sudden disaster meteorology is visually provided, the influenced electrical device is conveniently found and positioned, an early warning mechanism is effectively provided for load transfer or repair preparation of devices where faults possibly happen, the safety running level of a power grid is greatly improved, and the load loss of the power grid is reduced.