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

Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.

The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....

A mass of very cold, dry air that mostly originates over the Arctic Ocean.

Perhaps you have come across them, maybe you are seeing them for the first time. These clouds, known as wave clouds, resemble...

A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.

The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.

A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...

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

The term used for turbulence occurring in the absence of clouds or cloud-like elements in the visible area. It is often observed...

A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...