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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A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.
The amount of water vapor present in the air, which can affect comfort levels and weather conditions.
A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...
A thermodynamic change process in the system without any exchange of heat or transfer of energy between systems. This process...
A middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...
Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...
The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...
The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...
A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...
Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.