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Introduction

In this chapter, the spatial and temporal development of several sprite-producing discharges will be analyzed as well as that of a non-sprite-producing discharge. All of the analyzed events were associated with a relatively small ($\sim$50 by $\sim$100 km) mesoscale convective system (MCS) at less than 100 km distance over central Florida on June 22nd, 1997. The Kennedy Space Center Lightning Detection and Ranging system recorded the spatial development of the flashes. Electric field measurements associated with the New Mexico Tech Interferometer recorded the static electric field change as a function of time for the discharges. This, combined with range information, was used to estimate cloud-to-ground charge moment changes. Light-intensified video was obtained of the sprites and was used to estimate the positions of the sprites relative to the parent discharge. All of these results will be presented and interpreted in this chapter.



Mark Stanley 2000-10-22