Dark blue cloudy sky

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

Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...

An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...

In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...

Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...

A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...

Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.

Conduction is the transfer of heat or electricity through a material without the material itself moving. This occurs when...

A middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...

A large body of air having similar horizontal temperature and moisture characteristics.

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