利用7个架次有积冰报告的飞机探测资料,对积冰云的微物理特征进行了分析,详细描述了云中相态组成、液水含量、中值体积直径和过冷大滴浓度特征。介绍了基于卫星、数值模式输出和地面观测资料的飞机积冰潜势监测技术,在与20个飞机探测积冰报告对比中,积冰监测可识别率为90%,并应用飞机积冰潜势监测技术具体分析了2010年10月26日的积冰个例。最后介绍了基于积冰潜势监测技术的飞机积冰监测系统,该系统能够支持水平分辨率为20km、垂直分辨率为25hPa、时间分辨率为1h的飞机积冰潜势产品的运算和显示,该系统可为实际业务提供参考。
The cloud microphysical characteristics with aircraft icing during 7 flights are analyzed. The cloud phase, liquid water content, median volume diameter and the concentration of supercooled large droplets are described in detail. The aircraft icing potential monitoring technology which combines satel- lite, numerical model outputs and surface observations are introduced. In comparison with 20 icing reports during 2000--2010, it is found that it can detect 90% of icing correctly. The aircraft icing on 26 October 2010 is analyzed. Finally, the aircraft icing monitoring system based on aircraft icing potential detection technology is showed. The system determines the products of aircraft icing potential with horizontal resolution of 20 km, vertical resolution of 25 hPa, and temporal of 1 h. So, this system can be used in actual operations.