Studies of thunderstorms by sferics and radar.

Research in the stormy Weather Group at McGill is centered on the convective storm, its structure, dynamics, and microphysics.As part of this research, there is an interest in the electrical aspects of these stonns.This thesis considers gross features of the relationship between thunderstorms and the lightning they produce.The lightning dis charge is identified by its associated radio frequency electromagnetic emission (sferic).A prime aim of the work is to locate the lightning in space, relative to the precipitation pattern of the storm as observed by meteorological radar.The thesis consists essential~ of three sections.Chapter l outlines what is known about the thunderstonn -lightning relationship, and includes brief descriptions of the significant features of storms and lightning.Chapter 2 describes the equipment used in this investigation and its development.The third section, Chapters 3 and 4, describe results obtained with the equipment, and the thesis concludes with a summary of .these results and an outline for future work in Chapter 5.