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

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

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

A weather front formed when a cold front overtakes a warm front, lifting the warm air off the ground and resulting in a mix...

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

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

A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...

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

A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...

A continental air mass is a large body of air that forms over land, characterized by dry conditions due to the lack of moisture...

The narrow region between 35-40 ° N and S latitudes in the Northern and Southern Hemispheres, lying between the tropical...