Elve

{
  "id": "MLC-T-MET-005351",
  "term": "Elve",
  "field": "Meteorology and atmospheric science",
  "definition": "A transient luminous event occurring high above thunderstorms, characterized by a rapidly expanding, ring-shaped emission of light. These events are caused by electromagnetic pulses from lightning discharges that excite nitrogen molecules in the ionosphere. Elves typically appear as a diffuse, reddish glow and last for less than a millisecond.",
  "url": "https://mlchart.com/terminology/meteorology/elve/"
}