What is Sublimation?
The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water vapor.
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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 thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.
A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...
A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...
A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
Air laden with sand and dust, common in areas devoid of permanent vegetation, especially deserts.
A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...
A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...
The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...
A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.