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

A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...

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

An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...

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

A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.

A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...

The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...

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

Snow that rises to 8 feet or higher.

The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.