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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 occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...

A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...

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

Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.

In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...

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

A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...

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

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

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