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

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

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

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

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

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

A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...

Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.

Condensation is the process by which water vapor in the air cools and changes into liquid water. This process is crucial...

A weather watch means there is a risk of weather hazards in the near future, which could pose a threat to life/property....

A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.