Fisted by stinkfinger under Nature, Science, Weather, youtube on Fri, Aug 6, 2010
Tags: atmosphere, blue jets, electrical, lightning, red sprites, thunderstorm
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Lightning week would not be complete without touching on the phenomenon of ”upper atmospheric lightning,” which has only recently been recognized as a bonafide phenomenon. Blue jets, in fact, were reported for over a century before their existence was verified – particularly by airplane pilots flying at night – but the nature of the phenomenon – extremely short duration and relative “inaccessibility” above thunderstorms – prevented reliable detection of it and its “brethren” – sprites and elves – until the 1990s.
You may read more about these phenomena at this page maintained by the University of Alaska, Fairbanks.

And check this video out–
