Dark blue cloudy sky

What is Cumulus?

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

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Glossary

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

Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...

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

An instrument for measuring atmospheric pressure.

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

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

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

Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...

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

The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...