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

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

A periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...

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

A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...

A mass of very cold, dry air that mostly originates over the Arctic Ocean.

A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...

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

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

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