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 large body of air having similar horizontal temperature and moisture characteristics.
A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...
The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...
Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.
Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.
Meteorology is the scientific study of the atmosphere and weather processes. It involves observing, analyzing, and forecasting...
Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...
A middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...
A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...
A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...