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What is Relative Humidity?

The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.

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Glossary

A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...

The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...

An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...

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

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

A continental air mass is a large body of air that forms over land, characterized by dry conditions due to the lack of moisture...

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

A thermodynamic change process in the system without any exchange of heat or transfer of energy between systems. This process...

A sudden and rapid flow of snow masses accumulated on the slopes of mountainous areas under the influence of gravity or a...

A storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.