SWI

{
  "id": "MLC-T-MET-009465",
  "term": "SWI",
  "field": "Meteorology and atmospheric science",
  "definition": "An abbreviation for the Showalter Index, a measure of atmospheric stability used in forecasting convective weather. It is calculated by lifting a parcel of air from 850 millibars to 500 millibars and comparing its temperature to the ambient 500 millibar temperature. Negative values indicate instability and a potential for thunderstorms, with values below -3 often associated with severe weather.",
  "see_also": [
    "stability index"
  ],
  "url": "https://mlchart.com/terminology/meteorology/swi/"
}