Meridional index

{
  "id": "MLC-T-MET-007210",
  "term": "Meridional index",
  "field": "Meteorology and atmospheric science",
  "definition": "A quantitative measure of the strength of the north-south atmospheric circulation in a given region. It quantifies the degree to which air masses move along lines of longitude rather than latitude. A high meridional index indicates a strong poleward or equatorward flow, often associated with significant weather pattern changes.",
  "see_also": [
    "zonal index"
  ],
  "url": "https://mlchart.com/terminology/meteorology/meridional-index/"
}