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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The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.
An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....
Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.
A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...
Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...
An instrument for measuring atmospheric pressure.
The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.
Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...
A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.
Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.