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 decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...

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

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

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

Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...

Weather is the day-to-day meteorological conditions that happen in our atmosphere. Weather can change within minutes, which...

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

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