ive.
Lightning occurs when the pent-up friction inside the cloud is released creating electricity. The path of the lightning stroke carries peak current reaching 200,000 amperes or more, and the associated temperatures may rise to millions of degrees (Hildore). One bolt of lightning has the power to light a city of half a million inhabitants for a month. As a consequence of this heating, there is explosive expansion and contraction of the air, producing the pressure pulses that are heard as the crash and rumble of thunder.
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