Retrogression

{
  "id": "MLC-T-MET-002311",
  "term": "Retrogression",
  "field": "Meteorology and atmospheric science",
  "definitions": [
    "The westward movement or displacement of an atmospheric feature, such as a trough or ridge, against the general eastward progression of weather systems. This phenomenon can lead to prolonged weather patterns in a particular region. It contrasts with the more common eastward progression of synoptic-scale features.",
    "(or Retrograde Motion) - Movement of a weather system in a direction opposite to that of the basic flow in which it is embedded, usually referring to a closed low or a longwave trough which moves westward."
  ],
  "synonyms": [
    "Retrograde Motion"
  ],
  "references": [
    "NWS Glossary"
  ],
  "url": "https://mlchart.com/terminology/meteorology/retrogression/"
}