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 blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...

Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...

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

A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.

A periodic warming of sea surface temperatures in the central and eastern Pacific Ocean, significantly influencing global...

A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...

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.

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

A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...