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 cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...
The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.
The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...
Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...
An elongated area of relatively low atmospheric pressure, often associated with unsettled weather conditions like storms...
A continental air mass is a large body of air that forms over land, characterized by dry conditions due to the lack of moisture...
A body that has the property of absorbing all electromagnetic radiation falling on it, and therefore is the theoretical body...
A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...
The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...
Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...