Dark blue cloudy sky

What is Anvil Cloud?

An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric stability level of the atmosphere. It forms in the upper parts of thunderstorms.

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Glossary

The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...

A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.

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

A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...

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

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

A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...

A storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.

A cloud of irregular appearance, composed of irregular cloud fragments.

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