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 towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...
A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...
A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...
A body that has the property of absorbing all electromagnetic radiation falling on it, and therefore is the theoretical body...
The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.
A middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...
The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...
The belt between 50-70 ° N and S latitudes in the Northern and Southern Hemispheres, adjacent to the Polar Region. Although...
The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.
The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...