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

A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...

A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.

A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...

A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...

The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...

Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...

The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...

Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...

Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.

Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.