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 cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...

Snow that rises to 8 feet or higher.

An instrument for measuring atmospheric pressure.

The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...

A body that has the property of absorbing all electromagnetic radiation falling on it, and therefore is the theoretical body...

Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...

A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...

The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.

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

The belt between 50-70 ° N and S latitudes in the Northern and Southern Hemispheres, adjacent to the Polar Region. Although...