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

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

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

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 blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...

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

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

The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...

Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.

The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...