[TheForge] Weathervanes and Lightening

Andy Vida [email protected]
Sun Feb 1 22:45:00 2004


Mark Williams wrote:
> 
> The amount of energy in a lightening bolt depends on whether it's a cold or
> hot bolt. A cold bolt has more energy and is called cold because, should it
> strike a tree, the tree splits or splinters without being set on fire. A hot
> bolt will set the tree on fire. A typical hot bolt runs about 1 to 2 million
> amps at approx 100,000 volts. A typical cold bolt runs approx 4 million amps
> at about 100,000 volts.

	4 million amps... I can't really wrap my head around that
	number... the concept of just how much current that really
	is, evades me.