Dark blue cloudy sky

What is Sublimation?

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

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Glossary

Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.

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

Snow that rises to 8 feet or higher.

Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...

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

An elongated area of relatively low atmospheric pressure, often associated with unsettled weather conditions like storms...

Indicates the amount of water the soil can absorb/retain through percolation. This capacity is around 7% in sandy soil and...

Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...

The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...

An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...