Dark blue cloudy sky

What is Arctic High?

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

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Glossary

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

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

Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...

An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...

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 branch of science dealing with the laws of motion of air or other gases.

A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...

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

Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.