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 large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...

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

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

The branch of science dealing with the laws of motion of air or other gases.

A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...

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

A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...

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

A small, intense downdraft that produces damaging winds at the surface, typically lasting a few minutes and often associated...

A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.