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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Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...
Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...
A body that has the property of absorbing all electromagnetic radiation falling on it, and therefore is the theoretical body...
The large-scale movement of air that distributes heat and moisture around the Earth, influencing weather patterns and climatic...
The names given to the winds blowing from the four cardinal directions (north, east, south, and west - N, E, S, W) on a compass.
Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...
A type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.
A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...
An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...
The situation where there is no advection because the constant pressure surfaces and temperature surfaces in the atmosphere...