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 deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...
The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.
A type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.
The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.
Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...
The term used for turbulence occurring in the absence of clouds or cloud-like elements in the visible area. It is often observed...
The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...
A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...
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 middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...