Dark blue cloudy sky

What is Cold Core High?

A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear skies and cooler temperatures and often form over landmasses during winter months.

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Glossary

Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.

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

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

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

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

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

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

The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...

A body that has the property of absorbing all electromagnetic radiation falling on it, and therefore is the theoretical body...