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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 cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...

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

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

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

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

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

A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...

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

The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...

Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.