What is Relative Humidity?
The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.
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A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...
An instrument for measuring atmospheric pressure.
The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...
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 formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...
An elongated area of relatively low atmospheric pressure, often associated with unsettled weather conditions like storms...
A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...
A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...