Dark blue cloudy sky

What is Alto?

A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus and altocumulus. These clouds are often associated with changing weather patterns.

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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...

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

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

The branch of science dealing with the laws of motion of air or other gases.

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

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

An instrument for measuring atmospheric pressure.

A weather watch means there is a risk of weather hazards in the near future, which could pose a threat to life/property....

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

The narrow region between 35-40 ° N and S latitudes in the Northern and Southern Hemispheres, lying between the tropical...