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

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

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

The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...

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

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

A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...

Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...

A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.

The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.

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