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

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...

Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...

Snow that rises to 8 feet or higher.

The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...

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

Temperature scale, abbreviated as °C, found by accepting the freezing point of water at one atmospheric pressure as zero...

Conduction is the transfer of heat or electricity through a material without the material itself moving. This occurs when...

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

Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...

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