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 very cold high pressure that originates over the Arctic Ocean.

A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.

An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...

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

A mass of very cold, dry air that mostly originates over the Arctic Ocean.

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

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

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 amount of water vapor present in the air, which can affect comfort levels and weather conditions.