What is Arctic Air?
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
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A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
A continental air mass is a large body of air that forms over land, characterized by dry conditions due to the lack of moisture...
The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...
In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...
The branch of science dealing with the laws of motion of air or other gases.
Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....
Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...
The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...