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 middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...

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

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

The amount of water vapor present in the air, which can affect comfort levels and weather conditions.

A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.

Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...

A very cold high pressure that originates over the Arctic Ocean.

A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...

Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...

The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.