Pressure anomaly

{
  "id": "MLC-T-MET-008127",
  "term": "Pressure anomaly",
  "field": "Meteorology and atmospheric science",
  "definition": "The deviation of observed atmospheric pressure from its long-term average or climatological mean for a specific location and time of year. Positive anomalies indicate higher-than-average pressure, while negative anomalies indicate lower-than-average pressure. These anomalies are used to identify and track large-scale atmospheric circulation patterns and their influence on weather.",
  "url": "https://mlchart.com/terminology/meteorology/pressure-anomaly/"
}