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

A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.

An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...

A periodic warming of sea surface temperatures in the central and eastern Pacific Ocean, significantly influencing global...

A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.

Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...

Air laden with sand and dust, common in areas devoid of permanent vegetation, especially deserts.

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

A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.

A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...

Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...