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

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

The situation where there is no advection because the constant pressure surfaces and temperature surfaces in the atmosphere...

Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...

Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...

A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...

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

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

A middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...

A deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...

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