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 weather front formed when a cold front overtakes a warm front, lifting the warm air off the ground and resulting in a mix...
A large body of air having similar horizontal temperature and moisture characteristics.
The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.
Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...
Weather intelligence is technology that provides predictive and actionable insights, allowing businesses to adapt to weather-related...
Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...
A thermodynamic change process in the system without any exchange of heat or transfer of energy between systems. This process...
Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...
A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...
Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...