【摘要】 以1996年7月3～4日发生在江淮流域的暴雨过程为例,依据统计特征分别以常规分析场、正涡度高值区、高低空急流为标准,设计了三套方案对卫星反演湿度场进行质量控制。利用中尺度MM5模式进行的数值试验表明:经质量控制后预报场得到较大改善;质量控制方案的优劣对预报效果有直接影响,选择合理的控制标准是重要的。更多还原

【Abstract】 Taking the rainstorm process of 3~4 July, 1996 in YangtzeHuaihe river basin as an example, three schemes are developed to control the quality of satellite retrieved humidity, based on conventional analysis data, the field of positive vorticity and highlow level jet,respectively The numerical simulation by the MM5 model shows that the simulation accuracy is improved greatly under quality control and the quality control is critical to the forecast effect It is important to select the rational scheme of quality control更多还原