Studying Intense Tropical Cyclones Using the World Wide Lightning Location Network
Numerous previous studies have attempted to use have been only a few investigations of lightning activity generated by tropical cyclones. This is mainly because tropical cyclones are oceanic storms that occur away from land-based regional lightning networks. In this paper, we use the World Wide Lightning Location Network (WWLLN), the only real-time network that covers the entire globe, and storm intensity data, to analyze the change in lightning activity during the evolution of intense tropical cyclones. We present preliminary case studies of the tropical cyclones from different regions, including the Atlantic basin Hurricane Rita (2005) and the western Pacific Super Typhoon Yagi (2006). We discuss where the lightning activity occurs, such as in the eyewall and rainband regions, during different stages of storm evolution. These case studies will be compared to the previous of work of Molinari et al., 1999 that suggest that eyewall lightning intensifies during eyewall replacement cycles during Atlantic basin hurricanes. From these case studies, we discuss whether monitoring lightning activity during tropical cyclones can lead to better forecasting and nowcasting of storm evolution, especially where aircrafts measurements are not typically feasible.
Natalia N. Solorzano Jeremy N. Thomas Robert H. Holzworth
Physics Dept., Digipen Institute of Technology, Redmond, WA, USA Dept.of Earth and Space Sciences, University of Washington, Seattle, WA, USA;National Geomagnetism P Dept.of Earth and Space Sciences, University of Washington, Seattle, WA, USA
国际会议
第13届国际大气电学会议(The 13th International Conference on Atmospheric Electricity)
北京
英文
2007-08-13（万方平台首次上网日期，不代表论文的发表时间）