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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Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...
Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...
A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...
A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...
Temperature scale, abbreviated as °C, found by accepting the freezing point of water at one atmospheric pressure as zero...
A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...
The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....
A body that has the property of absorbing all electromagnetic radiation falling on it, and therefore is the theoretical body...
The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...
The amount of water vapor present in the air, which can affect comfort levels and weather conditions.