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 low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...
The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...
A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.
The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...
A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.
An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....
The amount of water vapor present in the air, which can affect comfort levels and weather conditions.
Snow that rises to 8 feet or higher.
A type of cloud consisting mostly of small particles such as ice particles.
Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...