Charge Separation in Clouds
•Positive charges in the upper portions of the cloud; Negatively charges in lower portions; Small packet of positive charges in the cloud base.
•lightning occurs only in clouds that extend above the freezing level è charge separation is related to ice crystals.
•Lighter crystals collide with heavy hailstones in the cloud.
•The lighter crystals are positively charged and move to upper portions of the cloud.
•The heavy hail stones are negatively charged and move to the lower portion of the cloud.
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