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What is Cumulonimbus?

A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe weather like hail or tornadoes.

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Glossary

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

The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.

A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.

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

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

A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...

A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...

A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...

A sudden and rapid flow of snow masses accumulated on the slopes of mountainous areas under the influence of gravity or a...

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