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

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

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

The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...

Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.

Although it is also used for light winds, it is the general name given to the daily cyclical winds that occur mostly between...

Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...

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

Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.

Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.

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