USA
A ceiling or cloud ceiling means the height above the Earth's surface of the lowest layer of clouds or obscuring phenomena that is reported as broken, overcast, or obscuration, and not classified as thin or partial. A ceiling listed as "unlimited" means that the sky is clear or is free of any substantial cloud cover.
Ceiling is reported as part of the METAR (METeorological Aviation Report) used for flight planning by pilots worldwide.
Read more about this topic: Ceiling (cloud)
Famous quotes containing the word usa:
“It is hereby earnestly proposed that the USA would be much better off if that big, sprawling, incoherent, shapeless, slobbering civic idiot in the family of American communities, the City of Los Angeles, could be declared incompetent and placed in charge of a guardian like any individual mental defective.”
—Westbrook Pegler (1894–1969)
“The biggest difference between ancient Rome and the USA is that in Rome the common man was treated like a dog. In America he sets the tone. This is the first country where the common man could stand erect.”
—I.F. (Isidor Feinstein)