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

Snow that rises to 8 feet or higher.

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

A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...

Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....

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

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

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

A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...

The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.

A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...