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 very cold high pressure that originates over the Arctic Ocean.
Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...
The situation where there is no advection because the constant pressure surfaces and temperature surfaces in the atmosphere...
Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...
A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
A weather front formed when a cold front overtakes a warm front, lifting the warm air off the ground and resulting in a mix...
A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...
A thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.
A body that has the property of absorbing all electromagnetic radiation falling on it, and therefore is the theoretical body...