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What is Black Ice?

Ice forms on the surface of highways in a very thin layer that is difficult to distinguish from the color of the asphalt due to its transparency, thus posing a danger to drivers.

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Glossary

Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...

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

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

The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...

A cloud of irregular appearance, composed of irregular cloud fragments.

A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...

Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...

A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...

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

A thermodynamic change process in the system without any exchange of heat or transfer of energy between systems. This process...