Dark blue cloudy sky

What is Barometer?

An instrument for measuring atmospheric pressure.

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Glossary

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

The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...

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

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

A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...

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

A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...

Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...

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

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