What is Arctic Air?
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
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Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...
A large body of air having similar horizontal temperature and moisture characteristics.
The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...
A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...
A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...
A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...
Air laden with sand and dust, common in areas devoid of permanent vegetation, especially deserts.
The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...
A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...