What is Ceiling?

Ceiling meaning in Safety terms is

  • According to the American Meteorological Society, the height ascribed to the lowest layer of clouds or obscuring phenomena when it is reported as broken, overcast, or obscuration and not classified “thin” or “partial.” The ceiling is termed unlimited when the foregoing conditions are not satisfied. Source: http://glossary.ametsoc.org/wiki/Ceiling


reference: Glossary A – Z | National Wildfire Coordinating Group