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

A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...

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

A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.

A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...

The scientific study of climate, focusing on the analysis of long-term weather patterns and trends over time.

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

A very cold high pressure that originates over the Arctic Ocean.

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

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