The utility model provides a local diastrous weather towards electric wire netting closes on early warning system, including the radar detection device, A data storage device, data analysing means and early warning device, the radar detection device adopts a plurality of doppler radar, a plurality of doppler radar set up the different zone in survey area respectively, A data storage device's input is connected to doppler radar's output through communication device, data analysing means's input is connected to A data storage device's output, early warning device is connected to data analysing means's output, A data storage device and data analysing means all set up in utilities electric co. 's intranet of surveying regional power grid information containing. The utility model discloses can realize the real -time supervision to weather conditions in institute's detection range to can pinpoint disaster -stricken electric wire netting facility, improve electric wire netting reply diastrous weather and preventing and reducing disaster's ability, produce and electric power transmission provides the weather information support for the electric wire netting.