What is Arctic Air?
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
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An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...
A small, intense downdraft that produces damaging winds at the surface, typically lasting a few minutes and often associated...
The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...
Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.
An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...
A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.
The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....
A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...
In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...
Conduction is the transfer of heat or electricity through a material without the material itself moving. This occurs when...