upward lightning

English

Noun

upward lightning (countable and uncountable, plural upward lightnings)

1. (astronomy, meteorology) An upper-atmospheric optical phenomenon associated with thunderstorms, in which the lightning bolt projects straight into the upper atmosphere.
   • 1999, Patricia Barnes-Svarney, Thomas E. Svarney, Skies of fury: weather weirdness around the world‎^[1], Simon and Schuster, page 100:

     Mysterious bluejets can be seen with the naked eye from the ground, but they are rare and difficult to spot.

See also

• blue starter
• blue jet
• elve
• gigantic jet
• gnome
• pixie
• red sprite
• sprelve
• sprite halo
• sprite
• transient luminous event
• troll