When the rain is caused by cold front, cyclone or typhoon, the rainfall forecast skill is higher than warm front or subtropical high.
冷锋、气旋和台风影响下的降水预报准确率明显高于暖锋和副高影响下的降水。
With different boundary layer schemes, the simulated divergence fields differ, which affects the performance of the rainfall forecast.
不同边界层方案模拟的辐散场有一定的差别，导致了降水的不同预报效果。
The results show that this system has powerful assimilation capacity and is able to improve the accuracy of MM5 model rainfall forecast.
试验表明该系统有较强的同化能力，能够提高MM 5降水预报的准确性。
Monthly rainfall forecast is one of the short-term climate prediction operations, it is important for disaster prevention to improve the quality of forecast.
月降水量预测是短期气候预测的业务之一，提高预测质量对防灾抗灾具有重要意义。
By using statistic principles, some improvement on factors selection standard and factors pick-up from data have been made, to improve monthly rainfall forecast greatly.
运用数理统计原理，在因子选择标准和在各种资料中提取因子方面作了些探索，月降水量预测质量有了较大提高。
The risk of flood operation mainly comes from the errors of flood and rainfall forecast, in the next place, the errors comes from the decision-maker's subjective preference.
水库汛限水位动态控制中的风险主要来自洪水预报和降雨预报的误差，其次来自决策者的决策误差。
The risk of flood operation mainly comes from the errors of flood and rainfall forecast, in the next place, the errors comes from the decision-maker's subjective preference.
水库汛限水位动态控制中的风险主要来自洪水预报和降雨预报的误差，其次来自决策者的决策误差。
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