Partial obscuration

{
  "id": "MLC-T-MET-007806",
  "term": "Partial obscuration",
  "field": "Meteorology and atmospheric science",
  "definition": "A meteorological condition where a portion of the sky is hidden from view by a surface-based phenomenon, such as fog, mist, smoke, or blowing snow. Unlike a full obscuration, some part of the sky, usually above the horizon, remains visible. This condition affects visibility and is reported in aviation weather observations.",
  "see_also": [
    "obscuration",
    "thin"
  ],
  "url": "https://mlchart.com/terminology/meteorology/partial-obscuration/"
}