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

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

A large body of air having similar horizontal temperature and moisture characteristics.

Meteorology is the scientific study of the atmosphere and weather processes. It involves observing, analyzing, and forecasting...

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

Snow that rises to 8 feet or higher.

A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...

A very cold high pressure that originates over the Arctic Ocean.

Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...

The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...

A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...