There's nothing like watching a raging thunderstorm from the comfort of a warm room. The constant thrum of the pouring rain, the occasional explosion of thunder, and, of course, the blinding flashes of lightning that accompany them. Just thank your lucky stars you aren't out there. Most of those flashes are what you'd call negative lightning. But if it's positive lightning that explodes outside, then you're in serious trouble.
Positive and Negative, Ups and Downs
A Bolt from the Blue
What Is Lightning?
Written by Reuben Westmaas July 3, 2018
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