How Lightning Strikes

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There’s a saying that “lightning strikes whatever’s tallest.” But this is only partly true. Tall objects do attract lightning bolts, but there’s a second condition for lightning to strike: electrical conductivity.

Meaning, a lightning bolt will only strike an object that can become electrically charged.

There’s another common misconception out there, though the Google search I did reveals that knowledge of the truth is comfortingly widespread. If you were to catch sight of a lightning bolt, would you say it strikes upward or downward?

That is, does lightning start at the ground or in the clouds?

I heard from multiple reliable sources that lightning strikes from the ground up, but the video you’ll see below would seem to contradict that. I wasn’t satisfied with the results of my search, so I did some more digging.

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