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Lightning 1




Lightning 1 - July - Haworth


Lightning 1

Lightning occurs when electrical charge builds inside a cloud. Electrical charge is created by collisions of ice and hail within the cloud causing the particles to be electrified. The positive charge gathers at the top of the cloud and the negative charge at the base of the cloud. Eventually the charge discharges and we see a brilliant flash. The forms of lightning can vary; lightning inside the cloud is referred to as "sheet lightning" The lightning in the picture is called "cloud to ground" type.

In the picture you can see the lightning has just hit a tree which is the reason why you should avoid sheltering under them during a lightning storm.

When a discharge happens it is about 1.5 million volts and the surrounding heat is about 30,000 degree centigrade. The combination of the heat and voltage can also cause the tree to vaporize and explode with shards of wood shattering about. The lightning can also "jump" radially to the person sheltering.




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