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

The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...

The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...

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

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

Weather intelligence is technology that provides predictive and actionable insights, allowing businesses to adapt to weather-related...

Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...

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

A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...

The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.

A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...