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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

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

The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...

The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...

The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...

Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...

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

A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.

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

A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...

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