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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 drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.

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

In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...

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

A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...

A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.

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

An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...

Meteorology is the scientific study of the atmosphere and weather processes. It involves observing, analyzing, and forecasting...

A large body of air having similar horizontal temperature and moisture characteristics.