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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

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...

A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.

A very cold high pressure that originates over the Arctic Ocean.

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

The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....

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

A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.

An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...

Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...