sprite halo

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English

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Noun

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sprite halo (plural sprite halos or sprite haloes)

  1. (astronomy, meteorology) An upper-atmospheric optical phenomenon associated with thunderstorms, a diffuse disk-shaped glow that precedes a sprite and propagates downward.
    • 2006, Martin Füllekrug, Eugene A. Mareev, Michael J. Rycroft, Sprites, elves and intense lightning discharges[1], page 37:
      In lhe: early days of LLTV monitoring it was common to observe an apparent elve followed by a sprite, sometimes called a "sprelve." While elves do indeed precede some sprites, the "sprelve" in most cases, was found to represent a "sprite halo."

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