sprelve

Blend of sprite +‎ elve

sprelve (plural sprelves)

1. (astronomy, meteorology) An upper atmospheric optical phenomena associated with thunderstorms, in which an elve is immediately followed by a sprite.
   • 2006, Martin Füllekrug, Eugene A. Mareev, Michael J. Rycroft, Sprites, elves and intense lightning discharges‎, page 37:

     In the 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."

• blue starter
• bluejet
• elve
• gigantic jet
• gnome
• pixie
• red sprite
• sprite
• sprite halo
• transient luminous events
• troll
• upward lightning