What is Arctic Air?

A mass of very cold, dry air that mostly originates over the Arctic Ocean.

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Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....

A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...

A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...

Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...

A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...

The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...

Weather is the day-to-day meteorological conditions that happen in our atmosphere. Weather can change within minutes, which...

The branch of science dealing with the laws of motion of air or other gases.

A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...

The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....