Lightning strike 47718A lightning strike is a colossal electrical discharge between cloud and ground, releasing around one gigajoule of energy in less than a millisecond.
The bolt heats air to 30,000 °C, creating thunder as the shock wave expands. When it hits a tree, sap vaporizes explosively, splitting wood and igniting fire. Each strike carries currents up to 30,000 A and voltages near 100 million V — enough energy to power a home for weeks, yet too brief to harness. Lightning remains nature’s most dramatic display of raw, untamed electricity.
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