In-situ Electrodynamics over Sprite Producing Storms in Southern Brazil

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Four campaigns launching stratospheric balloon flights above large thunderstorm systems with sprite production potential are executed in Brazil to measure associated electromagnetic fields and X-ray fluxes. The first data pertaining to the electric field, electrodynamics, optical emissions, and X-ray production within 100 km of a sprite are assembled, and used to improve our understanding of underlying sprite physics and sprite energetics. The data are broadly disseminated and cast as input to existing sprite models.