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 deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...
A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...
Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....
The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.
An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...
A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...
A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...
Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...