Dark blue cloudy sky

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

Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...

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

A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.

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

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

Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...

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

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

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

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