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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Conduction is the transfer of heat or electricity through a material without the material itself moving. This occurs when...
A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...
Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...
The amount of water vapor present in the air, which can affect comfort levels and weather conditions.
A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...
The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...
Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...
An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....
A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...
Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...