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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Weather intelligence is technology that provides predictive and actionable insights, allowing businesses to adapt to weather-related...
The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.
A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...
The branch of science dealing with the laws of motion of air or other gases.
A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...
The amount of water vapor present in the air, which can affect comfort levels and weather conditions.
Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...
Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...
A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...
The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....