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Wind turbine movement can generate lightning.. this picture..UPWARD!! discharge
“Under favorable atmospheric conditions any elevated structure can generate upward lightning flashes. Even aircraft can do so —- in fact, height and movement are two of the factors that contribute to this phenomenon. The tips of wind turbine blades move at speeds of several tens of meters per second. However, no one had previously demonstrated the relationship between this movement and the triggering of electrical discharges.