What is Clear?
Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility. Clear sky. In meteorology, this term is also used when the cloud cover is less than 1/8 during the day or at the observation hour.
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A thermodynamic change process in the system without any exchange of heat or transfer of energy between systems. This process...
A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.
A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...
The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...
A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...
The situation where there is no advection because the constant pressure surfaces and temperature surfaces in the atmosphere...
A type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.
A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.
An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....
Condensation is the process by which water vapor in the air cools and changes into liquid water. This process is crucial...