MLchartDataset catalogue

Unlimited ceiling

Term · Meteorology and atmospheric science · MLC-T-MET-009892

An atmospheric condition where the lowest cloud layer is either absent or is at an altitude greater than a specified reporting limit, typically 20,000 feet (6,000 meters) above ground level. This indicates excellent visibility and no restrictions to vertical flight due to clouds. It is reported in aviation weather observations as 'CLR' (clear) or 'SKC' (sky clear) when no clouds are present, or as 'UNL' for unlimited.

Table 1. Record
IdentifierMLC-T-MET-009892
FieldMeteorology and atmospheric science
Record as JSON 
{
  "id": "MLC-T-MET-009892",
  "term": "Unlimited ceiling",
  "field": "Meteorology and atmospheric science",
  "definition": "An atmospheric condition where the lowest cloud layer is either absent or is at an altitude greater than a specified reporting limit, typically 20,000 feet (6,000 meters) above ground level. This indicates excellent visibility and no restrictions to vertical flight due to clouds. It is reported in aviation weather observations as 'CLR' (clear) or 'SKC' (sky clear) when no clouds are present, or as 'UNL' for unlimited.",
  "url": "https://mlchart.com/terminology/meteorology/unlimited-ceiling/"
}

Record 10,097 of 10,816 in Meteorology and atmospheric science terminology (MLC-0110). Request the full dataset.