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 percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.

An instrument for measuring atmospheric pressure.

An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....

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

A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...

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

A distinct layer in a body of water where the temperature changes rapidly with depth, separating warmer surface water from...

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 body that has the property of absorbing all electromagnetic radiation falling on it, and therefore is the theoretical body...

A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...

Istanbul 8°CAnkara 7°CIzmir 11°CHow is your weather?