The conditions needed to produce lightning have been known for some time. However, exactly how lightning forms has never been verified so there is room for debate. Leading theories focus around separation of electric charge and generation of an electric field within a thunderstorm.
www.srh.noaa.gov/jetstream/lightning/lightning.htm www.srh.noaa.gov/jetstream/lightning/lightning.htm
To review, lightning is created by the attraction between opposite charges, the same force that creates static electricity. But lightning uses huge opposite charges to produce an electrical current that's nothing like what you'd get from static electricity.
weathereye.kgan.com/cadet/lightning/bigspark.html weathereye.kgan.com/cadet/lightning/bigspark.html
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The channel created by the stepped leader is full of relatively static charge, like a line of cars at a red light. When the two parts join, it is like that light turning green, and just as the cars near the light start moving first, so do the charges near the join.
www.mos.org/sln/toe/lightning.html www.mos.org/sln/toe/lightning.html
Lightning is an atmospheric discharge of electricity, which typically occurs during thunderstorms, and sometimes during volcanic eruptions or dust storms. In the atmospheric electrical discharge, a leader of a bolt of lightning can travel a...
http://answers.yahoo.com/question/index?qid=20080715214...
How lightning is actually created inside a cloud is still the subject of active research. Professor Rutledge said that for a storm to become a thunderstorm (to produce lightning and therefore thunder), it needs to produce lots of ice in the...
http://unwindingmindstreamsinenglish.blogspot.com/2009/...
Ball lightning could soon lose its status as a mystery, now that a team in Brazil has cooked up a simple recipe for making similar eerie orbs of light in the lab, even getting them to bounce around... ... Lightning Strikes Toronto CN Tower Multiple Times...
www.youtube.com/watch?v=KVDU-6opEqA
Ball Lightning Created in Lab, Scientists create ball lightning using technology taken from a common microwave oven. ... "Our experiment confirms to some extent the theory that ball lightning originates from hot spots in the ground created by normal lightning," Jerby told LiveScience.
www.foxnews.com/story/0,2933,185842,00.html
Eerie ball lightning could soon lose its mystery status, thanks to electrifying Brazilian research ... One theory suggests that ball lightning is a highly ionised blob of plasma held together by its own magnetic fields, while an exotic explanation claims the cause is mini black holes created in the big bang.
www.newscientist.com/article/mg19325863.500-lightning-b... www.newscientist.com/article/mg19325863.500-lightning-balls-created-in-the-lab.html
Ball lightning - the mysterious slow-moving spheres of light occasionally seen during thunderstorms - has been created in the lab. ... Earlier in 2006, Israeli scientists created plasma balls by using microwaves to vaporise various materials, but Gerd Fussmann and his colleagues used a different approach that they...
www.newscientist.com/article/dn9293-physicists-create-g... www.newscientist.com/article/dn9293-physicists-create-great-balls-of-fire.html