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 long, narrow region in the atmosphere that transport water vapor, like a river in the sky.
A large body of air having similar horizontal temperature and moisture characteristics.
A periodic warming of sea surface temperatures in the central and eastern Pacific Ocean, significantly influencing global...
A deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...
A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...
A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...
The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....
A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...
The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...
An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....