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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 prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...

A middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...

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

Indicates the amount of water the soil can absorb/retain through percolation. This capacity is around 7% in sandy soil and...

The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.

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

Weather intelligence is technology that provides predictive and actionable insights, allowing businesses to adapt to weather-related...

The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...

Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...

Although it is also used for light winds, it is the general name given to the daily cyclical winds that occur mostly between...