Dark blue cloudy sky

What is Arctic High?

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

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Glossary

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

Perhaps you have come across them, maybe you are seeing them for the first time. These clouds, known as wave clouds, resemble...

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

A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.

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

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

A weather front formed when a cold front overtakes a warm front, lifting the warm air off the ground and resulting in a mix...

Snow that rises to 8 feet or higher.

A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...

Although it is also used for light winds, it is the general name given to the daily cyclical winds that occur mostly between...