![]() ![]() With a power of 300 kilovolts, lightning can heat the air up to 50,000 degrees Fahrenheit. The next thing we wondered was, what happens when a person is struck by lightning? There are Cloud-to-ground lightning strikes, but the ‘bolt’ that we see goes from the ground up. The upward strikes start at the “ground,” – which need not be the actual surface of Earth it may be the top portion of a steel tower – and travels upward into the cloud. The “natural” lightning starts in the cloud and travels to ground. It actually does come from ground up typically a lightning stroke is caused by a step leader that breaks down the insulation of the air, when it reaches the ground the brilliant flash you see is the lightning discharge returning from the ground to its source although in rare cases you can have cloud to ground lightning. This type of lightning can be triggered by a preceding lightning flash, or it may initiate entirely on its own.Īnother thing we asked ourselves was: does Lightning really travel from the ground up? Upward lightning or ground-to-cloud lightning is a lightning flash which originates from the top of a grounded object and propagates upward from this point. ![]() Yet another question we ran across in our research was “Is it possible for Lightning to move upwards?”. Because opposites attract, the stepped leader and the negative charge at the ground reach towards each other and quickly meet. As it nears the ground, it induces enormous quantities of positive charge in the earth, especially at the tips of tall objects. The stepped leader carries tons of negative charge. ![]() When there is a net transfer of positive energy from the cloud to the ground, the strikes are positive lightning strikes. Negative strikes make up about 95 per cent of cloud-to-ground strikes. Most lightning strikes are negative lightning strikes, meaning there is a net transfer of negative charges from the cloud to the ground. ![]()
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