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

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

The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...

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

The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.

The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...

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

Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....

The amount of water vapor present in the air, which can affect comfort levels and weather conditions.

A type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.