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 reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...
Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...
Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...
A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...
The term used for turbulence occurring in the absence of clouds or cloud-like elements in the visible area. It is often observed...
A thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.
A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...
The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...
A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...
The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.