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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In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...
The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...
The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.
The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...
Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.
A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...
The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.
A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.
Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...