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

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

Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...

A middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...

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

Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...

A periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...

Conduction is the transfer of heat or electricity through a material without the material itself moving. This occurs when...

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

A small, intense downdraft that produces damaging winds at the surface, typically lasting a few minutes and often associated...

Although it is also used for light winds, it is the general name given to the daily cyclical winds that occur mostly between...