Medium-range forecast

{
  "id": "MLC-T-MET-001674",
  "term": "Medium-range forecast",
  "field": "Meteorology and atmospheric science",
  "definitions": [
    "A weather prediction extending from about three to seven days into the future, providing guidance on general weather patterns and significant weather events. These forecasts rely heavily on numerical weather prediction models that simulate atmospheric processes. Accuracy decreases with increasing forecast lead time due to the chaotic nature of the atmosphere.",
    "A configuration of the National Water Model (NWM) that runs every 6 hours and produces 3-hourly deterministic forecasts of streamflow and hydrologic states for the contiguous United States (ConUS). This configuration is an ensemble forecast with 7 members; member 1 extends out to 10 days, while members 2-7 extend out to 8.5 days. Meteorological forcing data are drawn from the GFS."
  ],
  "abbreviation": "MRF",
  "see_also": [
    "long-range forecast",
    "extended forecast"
  ],
  "references": [
    "NWS Glossary"
  ],
  "url": "https://mlchart.com/terminology/meteorology/medium-range-forecast/"
}