Dark blue cloudy sky

What is Cumulus?

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

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Glossary

The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...

Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...

The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...

Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...

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

A middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...

The term 'cloudy' refers to weather conditions characterized by a significant amount of cloud cover in the sky. This may...

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

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

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