Size: 24x18in Lightning In Arizona, USAWe have more Keith Kent Posters. Choose from our catalog of over 500,000 posters! Lightning. Night-time view of a bolt of lightning striking a mountain. Lightning occurs when a large, electrical charge builds up in a cloud. This is probably due to the rapid movement of water droplets and ice particles within the cloud. Large thunderclouds generally have very turbulent interiors. The charge induces an opposite charge on the ground, and a few leader electrons
