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

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

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

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

A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...

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

Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...

The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.

The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...

Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...