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Current Lightning
Lightning history
Tornado
Page
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Lightning
- Wikipedia
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 at speeds of 60,000 m/s
(220,000 km/h), and can reach temperatures approaching 30,000 °C
(54,000 °F), hot enough to fuse silica sand into petrified
lightning, known scientifically as glass channels or fulgurites
which are normally hollow and can extend some distance into the
ground. There are some 16 million lightning storms in the world
every year. For an American, the chance of being struck by
lightning is approximately 1 in 576,000 and the chance of
actually being killed by lightning is approximately 1 in
2,320,000.
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