What is Arctic Air?
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
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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 large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...
The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....
Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.
The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...
Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...
A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...
The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.
A thermodynamic change process in the system without any exchange of heat or transfer of energy between systems. This process...
A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...