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

Snow that rises to 8 feet or higher.

A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...

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

The branch of science dealing with the laws of motion of air or other gases.

A thermodynamic change process in the system without any exchange of heat or transfer of energy between systems. This process...

The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...

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

A cloud of irregular appearance, composed of irregular cloud fragments.

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

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