High-speed footage of ELVES, a form of upper atmosphere lightning that manifests as a large glowing region. It is followed immediately by some sprites, another type of high-altitude electric discharge. This is the first footage of ELVES taken from the ground, in 1995. Sprites, ELVES and other related phenomena are collectively known as transient luminous events (TLEs), and they are all associated with the common lower atmosphere lightning, which can be seen flashing in the distance along the bottom of the frame. Filmed from Colorado, USA.
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