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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Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...
A middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...
A very cold high pressure that originates over the Arctic Ocean.
Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...
A type of cloud consisting mostly of small particles such as ice particles.
A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...
CONQ is a meteorological abbreviation for significant convection observed in a specific area, often indicating unstable atmospheric...
Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...
A sudden and rapid flow of snow masses accumulated on the slopes of mountainous areas under the influence of gravity or a...
The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.