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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Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...
A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...
The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.
Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...
A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...
Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.
A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...
A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...
A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.
Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.