As the blocking high weakened, the easterly current below and the southerly current at the rear weakened.As a result, the precipitation system abated and moved both easterly and southerly.

• 减弱阻高使其底部偏东气流减弱及后部偏南气流在高层减弱、低层增强，导致降水减弱，并使系统位置偏东、偏南。