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

Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.

The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...

A type of cloud consisting mostly of small particles such as ice particles.

An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....

A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...

A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...

Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...

The term 'cloudy' refers to weather conditions characterized by a significant amount of cloud cover in the sky. This may...

A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...

The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.