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 body that has the property of absorbing all electromagnetic radiation falling on it, and therefore is the theoretical body...
An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...
A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...
Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...
A weather front formed when a cold front overtakes a warm front, lifting the warm air off the ground and resulting in a mix...
In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...
Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...
Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...
A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
An elongated area of relatively low atmospheric pressure, often associated with unsettled weather conditions like storms...