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 strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...

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

Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...

The situation where there is no advection because the constant pressure surfaces and temperature surfaces in the atmosphere...

The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....

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

The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...

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

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

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