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What is Absolute Humidity?

The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air. It indicates the actual amount of water vapor present, without considering temperature or pressure variations.

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Glossary

A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...

A cloud of irregular appearance, composed of irregular cloud fragments.

The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....

A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...

A very cold high pressure that originates over the Arctic Ocean.

The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.

The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...

The situation where there is no advection because the constant pressure surfaces and temperature surfaces in the atmosphere...

The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...

A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...