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 scientific study of climate, focusing on the analysis of long-term weather patterns and trends over time.

A mass of very cold, dry air that mostly originates over the Arctic Ocean.

A thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.

A body that has the property of absorbing all electromagnetic radiation falling on it, and therefore is the theoretical body...

A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...

A type of cloud consisting mostly of small particles such as ice particles.

A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...

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

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

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