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

Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...

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

A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...

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

A deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...

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

The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....

The large-scale movement of air that distributes heat and moisture around the Earth, influencing weather patterns and climatic...

A storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.