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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A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...
A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...
A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...
A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...
A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...
Air laden with sand and dust, common in areas devoid of permanent vegetation, especially deserts.
The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...
The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.
A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.
In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...