What is Baroclinicity?
A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces of constant pressure intersect with surfaces of constant temperature.
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The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...
The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...
A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.
The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...
A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...
Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.
The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.