Period of validity

{
  "id": "MLC-T-MET-007860",
  "term": "Period of validity",
  "field": "Meteorology and atmospheric science",
  "definition": "The specific time interval during which a forecast, warning, or advisory is expected to be accurate and applicable. This duration is explicitly stated in meteorological products to inform users about the timeframe for which the information remains relevant. For example, a severe thunderstorm watch might have a validity period of several hours, while a climate outlook could be valid for several months.",
  "url": "https://mlchart.com/terminology/meteorology/period-of-validity/"
}