Dark blue cloudy sky

What is Cumulonimbus?

A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe weather like hail or tornadoes.

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Glossary

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

The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.

A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...

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

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

The amount of water vapor present in the air, which can affect comfort levels and weather conditions.

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

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

The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....

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