What is Ceiling?
The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.
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A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...
Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...
A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...
A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...
The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...
Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
A type of cloud consisting mostly of small particles such as ice particles.
The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...