Meaning of blue jet | Babel Free

Definitions

An upper atmospheric optical phenomenon associated with thunderstorms, a rapidly expanding disk-shaped region of luminosity, lasting less than a thousandth of a second, which occurs high above energetic cloud-to-ground lightning of positive or negative polarity.

Equivalents

Examples

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

CEFR level