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

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

The names given to the winds blowing from the four cardinal directions (north, east, south, and west - N, E, S, W) on a compass.

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

An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...

Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....

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

The large-scale movement of air that distributes heat and moisture around the Earth, influencing weather patterns and climatic...

Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...

A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...