Dark blue cloudy sky

What is Frost?

The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential damage to plants and crops.

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Glossary

A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...

A type of cloud consisting mostly of small particles such as ice particles.

A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...

The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...

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

The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...

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

A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...

A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...

A distinct layer in a body of water where the temperature changes rapidly with depth, separating warmer surface water from...