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 cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...
Condensation is the process by which water vapor in the air cools and changes into liquid water. This process is crucial...
A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...
Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...
Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.
A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.
The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...
CONQ is a meteorological abbreviation for significant convection observed in a specific area, often indicating unstable atmospheric...
The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.