Quantitative precipitation deviation correction of EC model based on frequency matching
In order to improve the prediction effect of the model,this paper uses the EC model precipitation forecast data and the actual precipitation data from May to September 2018 to 2020 in the southern Sichuan Basin,and uses frequency matching method to correct,analyze and test the 24-hour cumulative precipitation of the EC model.The results show that when the precipitation threshold is less than 25.0 mm,there is obvious wet deviation in EC quantitative precipitation forecast.On the contrary,there is weak dry deviation.The results of this study provide support for improving the precipitation forecast ability of related regions.
万方数据
维普
