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Caption: Lightning. Forked cloud-to-ground lightning striking near power cables. 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 in the turbulent interior of the cloud. Cloud-to-ground lightning occurs between a negatively charged cloud base and the positively charged ground. 'Leader electrons' leave the cloud and when contact is made, there is a huge backflow of energy along the path of the electrons. This produces a bright flash of light and temperatures of up to 30,000 degrees Celsius. White lightning indicates that the air is dry. Photographed in Oklahoma, USA.


Keywords: adverse, america, american, bolt, cable, cables, climate, cloud-to-ground, electrical, electrical storm, electricity, extreme, fork, lightning, line, meteorology, night, night-time, oklahoma, power lines, storm, storms, stormy, thunderstorm, united states, us, usa, weather
