Definitions

bolt from blue

Bolt from the blue

[bohlt]
For the athlete referred to by the same name, see Usain Bolt

A bolt from the blue is a form of lightning that strikes out of an apparently cloudless sky. In fact, it actually originates from the anvil cloud atop a thunderstorm which may be as far as thirty miles away. It carries around ten times the current of an ordinary bolt of lightning and has a positive charge while most other lightning has a negative one. This commonly is known as positive lightning.

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