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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Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...
Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...
Although it is also used for light winds, it is the general name given to the daily cyclical winds that occur mostly between...
The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....
Air laden with sand and dust, common in areas devoid of permanent vegetation, especially deserts.
A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...
The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...
A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...
The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...
A type of cloud consisting mostly of small particles such as ice particles.