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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The amount of water vapor present in the air, which can affect comfort levels and weather conditions.
A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...
Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...
The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...
A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...
A thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.
A weather front formed when a cold front overtakes a warm front, lifting the warm air off the ground and resulting in a mix...
A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...
Although it is also used for light winds, it is the general name given to the daily cyclical winds that occur mostly between...