¥Lightning - electric discharge in thunderstorms
¥ 80%
within clouds, 20% cloud to ground
¥Lightning is ubiquitous, with more than 6,000 cloud-to-ground strikes per minute from
more than 40,000
thunderstorms per day worldwide.
¥Lightning requires the separation of different charges into different regions of
cloud.
¥Charge separation maintains the earthÕs fair weather electric field.