Dark blue cloudy sky

What is Cumulonimbus?

A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe weather like hail or tornadoes.

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Glossary

A thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.

Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...

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

A continental air mass is a large body of air that forms over land, characterized by dry conditions due to the lack of moisture...

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

Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...

CONQ is a meteorological abbreviation for significant convection observed in a specific area, often indicating unstable atmospheric...

A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...

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

A large body of air having similar horizontal temperature and moisture characteristics.