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 term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...
A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...
Local winds that blow from slopes to peaks as a result of the heating of the top slopes without being affected by general...
A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...
A type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.
Temperature scale, abbreviated as °C, found by accepting the freezing point of water at one atmospheric pressure as zero...
A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.
The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...
The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.
A weather front formed when a cold front overtakes a warm front, lifting the warm air off the ground and resulting in a mix...