RUI: The Characteristics of Cloud-to-ground Lightning in High Plains Thunderstorms (Hailswath II)

本研究的目的是调查 高原地区地闪特征 北达科他州雷暴项目期间的雷暴， 定于1989年夏天举行。 赫尔斯登教授将利用 现有的测向仪获得关于时间，位置， 笔画多样性、极性和CG的信号强度 闪电 将开发图形显示系统， 分析闪电相对于卫星的位置， 雷达数据 闪电位置与雷达和卫星的关系 图像特征将被分析并与先前的图像特征进行比较。 来自全国其他地区的结果。 的关系 馈线细胞演化与地闪特征之间的关系 将进行调查，冰雹事件对 分析雷电特征。 最后，测试 将产生冰生闪电播种的影响。

The objective of this research is the investigation of characteristics of cloud-to-ground (CG) lightning in High Plains thunderstorms during the North Dakota Thunderstorm Project, scheduled for the summer of 1989. Professor Helsdon will use existing direction finders to obtain data on the time, location, stroke multiplicity, polarity, and signal strength of the CG lightning. A graphics display system will be developed to analyze the lightning positions with respect to satellite and radar data. Lightning locations with respect to radar and satellite image features will be analyzed and compared with previous results from other regions of the country. The relationship between feeder cell evolution and CG lightning characteristics will be investigated and the effects of hail episodes on lightning characteristics will be analyzed. Finally, a test for the effects of glaciogenic seeding of CG lightning will be made.