Tropopause funnel

{
  "id": "MLC-T-MET-009815",
  "term": "Tropopause funnel",
  "field": "Meteorology and atmospheric science",
  "definition": "A downward protrusion of stratospheric air into the upper troposphere, characterized by a lowering of the tropopause height. This feature is associated with cyclonic circulations and can lead to the transport of ozone-rich stratospheric air into the troposphere. It is a region of enhanced vertical mixing between the two atmospheric layers.",
  "see_also": [
    "tropopause fold"
  ],
  "url": "https://mlchart.com/terminology/meteorology/tropopause-funnel/"
}