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

Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...

A periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...

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

A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...

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

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 scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...

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

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

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...