Dark blue cloudy sky

What is Orographic Lift?

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

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Glossary

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

Snow that rises to 8 feet or higher.

A middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...

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

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

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

A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...

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

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