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

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

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

A thermodynamic change process in the system without any exchange of heat or transfer of energy between systems. This process...

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

Local winds that blow from slopes to peaks as a result of the heating of the top slopes without being affected by general...

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

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

The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.

A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...

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