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

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

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

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

A deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...

A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...

Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...

A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...

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

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

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