Peak Currents and Propagation Velocities of Initial Breakdown Pulses in Cloud-to-Ground Lightning Flashes

Nilmini Dilrukshi Karunarathne1, Thomas C Marshall2, Sumedhe Karunarathne2, Maribeth Stolzenburg2 and Nadeeka Karunarathna2, (1)University of Peradeniya, Physics, Peradeniya, Sri Lanka, (2)University of Mississippi Main Campus, University, MS, United States