Dark blue cloudy sky

What is Hail?

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

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Glossary

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

A continental air mass is a large body of air that forms over land, characterized by dry conditions due to the lack of moisture...

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

A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...

A middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...

The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...

A type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.

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

A middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...

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