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

The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...

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

A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...

Coastal flooding occurs when water from the ocean, sea, or large lakes inundates land areas along the coast, usually due...

The term used for turbulence occurring in the absence of clouds or cloud-like elements in the visible area. It is often observed...

Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...

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

Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...

A thermodynamic change process in the system without any exchange of heat or transfer of energy between systems. This process...

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