Application of Set Pair Analysis to Yunnan Heavy Precipitation Processes Forecast Ensemble

The concept of contact degree in Set Pair analysis is applied to heavy precipitation processes forecast ensemble in Yunnan Province. First,the heavy precipitation processes is defined into different patterns. Contact degree among severe precipitation processes and forecast of MM5 meso scale model or objective forecast of Yunnan Province or empirical forecast of forecaster are confirmed. The weighting method is used to integrate with severe precipitation processes forecast. Finally,the severe precipitation processes forecast ensemble method is given.

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