What is Arctic Air?
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
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Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...
Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...
A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...
Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.
The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....
A sudden and rapid flow of snow masses accumulated on the slopes of mountainous areas under the influence of gravity or a...
The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.
The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.
Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...
A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...