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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Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...
A storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.
A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...
A type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.
A weather front formed when a cold front overtakes a warm front, lifting the warm air off the ground and resulting in a mix...
The term used for turbulence occurring in the absence of clouds or cloud-like elements in the visible area. It is often observed...
The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.
Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.
The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...
The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...