Overcast

{
  "id": "MLC-T-MET-001963",
  "term": "Overcast",
  "field": "Meteorology and atmospheric science",
  "definitions": [
    "A sky condition where the entire celestial dome is covered by a layer of clouds, with no breaks visible. This implies a cloud cover of 8/8ths, or 100 percent, as observed from the ground. Overcast conditions are often associated with stratiform clouds like stratus or nimbostratus, leading to uniformly gray skies and reduced visibility.",
    "(Abbrev. OVC)- An official sky cover classification for aviation weather observations, when the sky is completely covered by an obscuring phenomenon. This is applied only when obscuring phenomenon aloft are present--that is, not when obscuring phenomenon are surface-based, such as fog."
  ],
  "see_also": [
    "obscuration"
  ],
  "references": [
    "NWS Glossary"
  ],
  "url": "https://mlchart.com/terminology/meteorology/overcast/"
}