Dark blue cloudy sky

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 very cold high pressure that originates over the Arctic Ocean.

Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...

The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.

A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...

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

The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.

The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.

The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...

A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.

A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...