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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

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

The names given to the winds blowing from the four cardinal directions (north, east, south, and west - N, E, S, W) on a compass.

The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.

The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.

A mass of very cold, dry air that mostly originates over the Arctic Ocean.

A periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...

The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...

A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...

Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...

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