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.

Glossary

The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.

A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...

A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...

Güneş ışığının geçmesine izin verip ısının atmosferden kaçmasını engelleyen karbondioksit ve metan gibi sera...

The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...

A type of cloud consisting mostly of small particles such as ice particles.

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

A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.

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

Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.

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