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Spatial distributions of magnetospheric radio energy due to lightning

We provide an improved model of the Whistler-mode radio energy generated by a terrestrial lightning flash, as a function of latitude and magnetic local time. We use a three-dimensional, cold plasma raytracing code to examine typical energy densities in J/m3 in the magnetosphere. The results presented here are intended to guide future in-situ studies of lightning-induced electron precipitation from the radiation belts.