Based on data of the actual message of Pudong Observatory,Jiangsu meteorological information sharing platform,short-time nowcasting business in the Yangtze River Delta,and the East China regional aviation numerical fo...Based on data of the actual message of Pudong Observatory,Jiangsu meteorological information sharing platform,short-time nowcasting business in the Yangtze River Delta,and the East China regional aviation numerical forecast system,the process of low-cloud and low-visibility weather in Shanghai Pudong International Airport lasting from the nightfall on March 7 to the morning on March 8 in 2016 was analyzed firstly,and then three numerical forecast systems( the East China regional aviation numerical forecast system,the East China aviation meteorological fine ensemble forecast system,and short-time nowcasting in the Yangtze River Delta) were compared to assess the accuracy of the numerical forecast.展开更多
介绍了民航华东气象中心开发的上海机场终端区AMDAR(Aircraft Meteorological Data Relay)资料实时显示系统,简述了系统的基本原理和工作流程;并统计了AMDAR资料的分布特征,对机场出现的雷暴、大风、冰雪等天气进行了实例分析。结果表明...介绍了民航华东气象中心开发的上海机场终端区AMDAR(Aircraft Meteorological Data Relay)资料实时显示系统,简述了系统的基本原理和工作流程;并统计了AMDAR资料的分布特征,对机场出现的雷暴、大风、冰雪等天气进行了实例分析。结果表明:上海机场终端区AMDAR资料实时显示系统直观、实用,有效地提高该资料的使用率;AMDAR资料时空分辨率高,但分布不均匀,资料97.4%集中在00:00—15:00UTC时段和67.3%集中在4km以下的中低空区域;系统能够提供连续的高空风温分布,也能够捕捉到高空中小尺度天气特征,在某些天气过程中能够为短临预报提供良好的客观依据和辅助手段,具有一定的实用价值。展开更多
文摘Based on data of the actual message of Pudong Observatory,Jiangsu meteorological information sharing platform,short-time nowcasting business in the Yangtze River Delta,and the East China regional aviation numerical forecast system,the process of low-cloud and low-visibility weather in Shanghai Pudong International Airport lasting from the nightfall on March 7 to the morning on March 8 in 2016 was analyzed firstly,and then three numerical forecast systems( the East China regional aviation numerical forecast system,the East China aviation meteorological fine ensemble forecast system,and short-time nowcasting in the Yangtze River Delta) were compared to assess the accuracy of the numerical forecast.
文摘介绍了民航华东气象中心开发的上海机场终端区AMDAR(Aircraft Meteorological Data Relay)资料实时显示系统,简述了系统的基本原理和工作流程;并统计了AMDAR资料的分布特征,对机场出现的雷暴、大风、冰雪等天气进行了实例分析。结果表明:上海机场终端区AMDAR资料实时显示系统直观、实用,有效地提高该资料的使用率;AMDAR资料时空分辨率高,但分布不均匀,资料97.4%集中在00:00—15:00UTC时段和67.3%集中在4km以下的中低空区域;系统能够提供连续的高空风温分布,也能够捕捉到高空中小尺度天气特征,在某些天气过程中能够为短临预报提供良好的客观依据和辅助手段,具有一定的实用价值。
