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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Conduction is the transfer of heat or electricity through a material without the material itself moving. This occurs when...
A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...
Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...
The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...
Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...
The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....
A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.
An elongated area of relatively low atmospheric pressure, often associated with unsettled weather conditions like storms...
The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...
A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...