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

Temperature scale, abbreviated as °C, found by accepting the freezing point of water at one atmospheric pressure as zero...

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

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

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

Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...

Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...

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

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

The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...

A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.