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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Snow that rises to 8 feet or higher.
Temperature scale, abbreviated as °C, found by accepting the freezing point of water at one atmospheric pressure as zero...
A very cold high pressure that originates over the Arctic Ocean.
Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...
The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.
The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...
The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.
A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.
The term 'cloudy' refers to weather conditions characterized by a significant amount of cloud cover in the sky. This may...
A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.