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 lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.
A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...
The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...
An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....
Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...
The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...
Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....
A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...