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 towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...

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

The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.

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

A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.

The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.

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

A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...

Conduction is the transfer of heat or electricity through a material without the material itself moving. This occurs when...

A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...